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15 Famous Experiments and Case Studies in Psychology

Chris Drew (PhD)

Dr. Chris Drew is the founder of the Helpful Professor. He holds a PhD in education and has published over 20 articles in scholarly journals. He is the former editor of the Journal of Learning Development in Higher Education. [Image Descriptor: Photo of Chris]

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Psychology has seen thousands upon thousands of research studies over the years. Most of these studies have helped shape our current understanding of human thoughts, behavior, and feelings.

The psychology case studies in this list are considered classic examples of psychological case studies and experiments, which are still being taught in introductory psychology courses up to this day.

Some studies, however, were downright shocking and controversial that you’d probably wonder why such studies were conducted back in the day. Imagine participating in an experiment for a small reward or extra class credit, only to be left scarred for life. These kinds of studies, however, paved the way for a more ethical approach to studying psychology and implementation of research standards such as the use of debriefing in psychology research .

Case Study vs. Experiment

Before we dive into the list of the most famous studies in psychology, let us first review the difference between case studies and experiments.

It is an in-depth study and analysis of an individual, group, community, or phenomenon. The results of a case study cannot be applied to the whole population, but they can provide insights for further studies.
It often uses qualitative research methods such as observations, surveys, and interviews.
It is often conducted in real-life settings rather than in controlled environments.
An experiment is a type of study done on a sample or group of random participants, the results of which can be generalized to the whole population.
It often uses quantitative research methods that rely on numbers and statistics.
It is conducted in controlled environments, wherein some things or situations are manipulated.

See Also: Experimental vs Observational Studies

Famous Experiments in Psychology

1. the marshmallow experiment.

Psychologist Walter Mischel conducted the marshmallow experiment at Stanford University in the 1960s to early 1970s. It was a simple test that aimed to define the connection between delayed gratification and success in life.

The instructions were fairly straightforward: children ages 4-6 were presented a piece of marshmallow on a table and they were told that they would receive a second piece if they could wait for 15 minutes without eating the first marshmallow.

About one-third of the 600 participants succeeded in delaying gratification to receive the second marshmallow. Mischel and his team followed up on these participants in the 1990s, learning that those who had the willpower to wait for a larger reward experienced more success in life in terms of SAT scores and other metrics.

This case study also supported self-control theory , a theory in criminology that holds that people with greater self-control are less likely to end up in trouble with the law!

The classic marshmallow experiment, however, was debunked in a 2018 replication study done by Tyler Watts and colleagues.

This more recent experiment had a larger group of participants (900) and a better representation of the general population when it comes to race and ethnicity. In this study, the researchers found out that the ability to wait for a second marshmallow does not depend on willpower alone but more so on the economic background and social status of the participants.

2. The Bystander Effect

In 1694, Kitty Genovese was murdered in the neighborhood of Kew Gardens, New York. It was told that there were up to 38 witnesses and onlookers in the vicinity of the crime scene, but nobody did anything to stop the murder or call for help.

Such tragedy was the catalyst that inspired social psychologists Bibb Latane and John Darley to formulate the phenomenon called bystander effect or bystander apathy .

Subsequent investigations showed that this story was exaggerated and inaccurate, as there were actually only about a dozen witnesses, at least two of whom called the police. But the case of Kitty Genovese led to various studies that aim to shed light on the bystander phenomenon.

Latane and Darley tested bystander intervention in an experimental study . Participants were asked to answer a questionnaire inside a room, and they would either be alone or with two other participants (who were actually actors or confederates in the study). Smoke would then come out from under the door. The reaction time of participants was tested — how long would it take them to report the smoke to the authorities or the experimenters?

The results showed that participants who were alone in the room reported the smoke faster than participants who were with two passive others. The study suggests that the more onlookers are present in an emergency situation, the less likely someone would step up to help, a social phenomenon now popularly called the bystander effect.

3. Asch Conformity Study

Have you ever made a decision against your better judgment just to fit in with your friends or family? The Asch Conformity Studies will help you understand this kind of situation better.

In this experiment, a group of participants were shown three numbered lines of different lengths and asked to identify the longest of them all. However, only one true participant was present in every group and the rest were actors, most of whom told the wrong answer.

Results showed that the participants went for the wrong answer, even though they knew which line was the longest one in the first place. When the participants were asked why they identified the wrong one, they said that they didn’t want to be branded as strange or peculiar.

This study goes to show that there are situations in life when people prefer fitting in than being right. It also tells that there is power in numbers — a group’s decision can overwhelm a person and make them doubt their judgment.

4. The Bobo Doll Experiment

The Bobo Doll Experiment was conducted by Dr. Albert Bandura, the proponent of social learning theory .

Back in the 1960s, the Nature vs. Nurture debate was a popular topic among psychologists. Bandura contributed to this discussion by proposing that human behavior is mostly influenced by environmental rather than genetic factors.

In the Bobo Doll Experiment, children were divided into three groups: one group was shown a video in which an adult acted aggressively toward the Bobo Doll, the second group was shown a video in which an adult play with the Bobo Doll, and the third group served as the control group where no video was shown.

The children were then led to a room with different kinds of toys, including the Bobo Doll they’ve seen in the video. Results showed that children tend to imitate the adults in the video. Those who were presented the aggressive model acted aggressively toward the Bobo Doll while those who were presented the passive model showed less aggression.

While the Bobo Doll Experiment can no longer be replicated because of ethical concerns, it has laid out the foundations of social learning theory and helped us understand the degree of influence adult behavior has on children.

5. Blue Eye / Brown Eye Experiment

Following the assassination of Martin Luther King Jr. in 1968, third-grade teacher Jane Elliott conducted an experiment in her class. Although not a formal experiment in controlled settings, A Class Divided is a good example of a social experiment to help children understand the concept of racism and discrimination.

The class was divided into two groups: blue-eyed children and brown-eyed children. For one day, Elliott gave preferential treatment to her blue-eyed students, giving them more attention and pampering them with rewards. The next day, it was the brown-eyed students’ turn to receive extra favors and privileges.

As a result, whichever group of students was given preferential treatment performed exceptionally well in class, had higher quiz scores, and recited more frequently; students who were discriminated against felt humiliated, answered poorly in tests, and became uncertain with their answers in class.

This study is now widely taught in sociocultural psychology classes.

6. Stanford Prison Experiment

One of the most controversial and widely-cited studies in psychology is the Stanford Prison Experiment , conducted by Philip Zimbardo at the basement of the Stanford psychology building in 1971. The hypothesis was that abusive behavior in prisons is influenced by the personality traits of the prisoners and prison guards.

The participants in the experiment were college students who were randomly assigned as either a prisoner or a prison guard. The prison guards were then told to run the simulated prison for two weeks. However, the experiment had to be stopped in just 6 days.

The prison guards abused their authority and harassed the prisoners through verbal and physical means. The prisoners, on the other hand, showed submissive behavior. Zimbardo decided to stop the experiment because the prisoners were showing signs of emotional and physical breakdown.

Although the experiment wasn’t completed, the results strongly showed that people can easily get into a social role when others expect them to, especially when it’s highly stereotyped .

7. The Halo Effect

Have you ever wondered why toothpastes and other dental products are endorsed in advertisements by celebrities more often than dentists? The Halo Effect is one of the reasons!

The Halo Effect shows how one favorable attribute of a person can gain them positive perceptions in other attributes. In the case of product advertisements, attractive celebrities are also perceived as intelligent and knowledgeable of a certain subject matter even though they’re not technically experts.

The Halo Effect originated in a classic study done by Edward Thorndike in the early 1900s. He asked military commanding officers to rate their subordinates based on different qualities, such as physical appearance, leadership, dependability, and intelligence.

The results showed that high ratings of a particular quality influences the ratings of other qualities, producing a halo effect of overall high ratings. The opposite also applied, which means that a negative rating in one quality also correlated to negative ratings in other qualities.

Experiments on the Halo Effect came in various formats as well, supporting Thorndike’s original theory. This phenomenon suggests that our perception of other people’s overall personality is hugely influenced by a quality that we focus on.

8. Cognitive Dissonance

There are experiences in our lives when our beliefs and behaviors do not align with each other and we try to justify them in our minds. This is cognitive dissonance , which was studied in an experiment by Leon Festinger and James Carlsmith back in 1959.

In this experiment, participants had to go through a series of boring and repetitive tasks, such as spending an hour turning pegs in a wooden knob. After completing the tasks, they were then paid either $1 or $20 to tell the next participants that the tasks were extremely fun and enjoyable. Afterwards, participants were asked to rate the experiment. Those who were given $1 rated the experiment as more interesting and fun than those who received $20.

The results showed that those who received a smaller incentive to lie experienced cognitive dissonance — $1 wasn’t enough incentive for that one hour of painstakingly boring activity, so the participants had to justify that they had fun anyway.

Famous Case Studies in Psychology

9. little albert.

In 1920, behaviourist theorists John Watson and Rosalie Rayner experimented on a 9-month-old baby to test the effects of classical conditioning in instilling fear in humans.

This was such a controversial study that it gained popularity in psychology textbooks and syllabi because it is a classic example of unethical research studies done in the name of science.

In one of the experiments, Little Albert was presented with a harmless stimulus or object, a white rat, which he wasn’t scared of at first. But every time Little Albert would see the white rat, the researchers would play a scary sound of hammer and steel. After about 6 pairings, Little Albert learned to fear the rat even without the scary sound.

Little Albert developed signs of fear to different objects presented to him through classical conditioning . He even generalized his fear to other stimuli not present in the course of the experiment.

10. Phineas Gage

Phineas Gage is such a celebrity in Psych 101 classes, even though the way he rose to popularity began with a tragic accident. He was a resident of Central Vermont and worked in the construction of a new railway line in the mid-1800s. One day, an explosive went off prematurely, sending a tamping iron straight into his face and through his brain.

Gage survived the accident, fortunately, something that is considered a feat even up to this day. He managed to find a job as a stagecoach after the accident. However, his family and friends reported that his personality changed so much that “he was no longer Gage” (Harlow, 1868).

New evidence on the case of Phineas Gage has since come to light, thanks to modern scientific studies and medical tests. However, there are still plenty of mysteries revolving around his brain damage and subsequent recovery.

11. Anna O.

Anna O., a social worker and feminist of German Jewish descent, was one of the first patients to receive psychoanalytic treatment.

Her real name was Bertha Pappenheim and she inspired much of Sigmund Freud’s works and books on psychoanalytic theory, although they hadn’t met in person. Their connection was through Joseph Breuer, Freud’s mentor when he was still starting his clinical practice.

Anna O. suffered from paralysis, personality changes, hallucinations, and rambling speech, but her doctors could not find the cause. Joseph Breuer was then called to her house for intervention and he performed psychoanalysis, also called the “talking cure”, on her.

Breuer would tell Anna O. to say anything that came to her mind, such as her thoughts, feelings, and childhood experiences. It was noted that her symptoms subsided by talking things out.

However, Breuer later referred Anna O. to the Bellevue Sanatorium, where she recovered and set out to be a renowned writer and advocate of women and children.

12. Patient HM

H.M., or Henry Gustav Molaison, was a severe amnesiac who had been the subject of countless psychological and neurological studies.

Henry was 27 when he underwent brain surgery to cure the epilepsy that he had been experiencing since childhood. In an unfortunate turn of events, he lost his memory because of the surgery and his brain also became unable to store long-term memories.

He was then regarded as someone living solely in the present, forgetting an experience as soon as it happened and only remembering bits and pieces of his past. Over the years, his amnesia and the structure of his brain had helped neuropsychologists learn more about cognitive functions .

Suzanne Corkin, a researcher, writer, and good friend of H.M., recently published a book about his life. Entitled Permanent Present Tense , this book is both a memoir and a case study following the struggles and joys of Henry Gustav Molaison.

13. Chris Sizemore

Chris Sizemore gained celebrity status in the psychology community when she was diagnosed with multiple personality disorder, now known as dissociative identity disorder.

Sizemore has several alter egos, which included Eve Black, Eve White, and Jane. Various papers about her stated that these alter egos were formed as a coping mechanism against the traumatic experiences she underwent in her childhood.

Sizemore said that although she has succeeded in unifying her alter egos into one dominant personality, there were periods in the past experienced by only one of her alter egos. For example, her husband married her Eve White alter ego and not her.

Her story inspired her psychiatrists to write a book about her, entitled The Three Faces of Eve , which was then turned into a 1957 movie of the same title.

14. David Reimer

When David was just 8 months old, he lost his penis because of a botched circumcision operation.

Psychologist John Money then advised Reimer’s parents to raise him as a girl instead, naming him Brenda. His gender reassignment was supported by subsequent surgery and hormonal therapy.

Money described Reimer’s gender reassignment as a success, but problems started to arise as Reimer was growing up. His boyishness was not completely subdued by the hormonal therapy. When he was 14 years old, he learned about the secrets of his past and he underwent gender reassignment to become male again.

Reimer became an advocate for children undergoing the same difficult situation he had been. His life story ended when he was 38 as he took his own life.

15. Kim Peek

Kim Peek was the inspiration behind Rain Man , an Oscar-winning movie about an autistic savant character played by Dustin Hoffman.

The movie was released in 1988, a time when autism wasn’t widely known and acknowledged yet. So it was an eye-opener for many people who watched the film.

In reality, Kim Peek was a non-autistic savant. He was exceptionally intelligent despite the brain abnormalities he was born with. He was like a walking encyclopedia, knowledgeable about travel routes, US zip codes, historical facts, and classical music. He also read and memorized approximately 12,000 books in his lifetime.

This list of experiments and case studies in psychology is just the tip of the iceberg! There are still countless interesting psychology studies that you can explore if you want to learn more about human behavior and dynamics.

You can also conduct your own mini-experiment or participate in a study conducted in your school or neighborhood. Just remember that there are ethical standards to follow so as not to repeat the lasting physical and emotional harm done to Little Albert or the Stanford Prison Experiment participants.

Asch, S. E. (1956). Studies of independence and conformity: I. A minority of one against a unanimous majority. Psychological Monographs: General and Applied, 70 (9), 1–70. https://doi.org/10.1037/h0093718

Bandura, A., Ross, D., & Ross, S. A. (1961). Transmission of aggression through imitation of aggressive models. The Journal of Abnormal and Social Psychology, 63 (3), 575–582. https://doi.org/10.1037/h0045925

Elliott, J., Yale University., WGBH (Television station : Boston, Mass.), & PBS DVD (Firm). (2003). A class divided. New Haven, Conn.: Yale University Films.

Festinger, L., & Carlsmith, J. M. (1959). Cognitive consequences of forced compliance. The Journal of Abnormal and Social Psychology, 58 (2), 203–210. https://doi.org/10.1037/h0041593

Haney, C., Banks, W. C., & Zimbardo, P. G. (1973). A study of prisoners and guards in a simulated prison. Naval Research Review , 30 , 4-17.

Latane, B., & Darley, J. M. (1968). Group inhibition of bystander intervention in emergencies. Journal of Personality and Social Psychology, 10 (3), 215–221. https://doi.org/10.1037/h0026570

Mischel, W. (2014). The Marshmallow Test: Mastering self-control. Little, Brown and Co.

Thorndike, E. (1920) A Constant Error in Psychological Ratings. Journal of Applied Psychology , 4 , 25-29. http://dx.doi.org/10.1037/h0071663

Watson, J. B., & Rayner, R. (1920). Conditioned emotional reactions. Journal of experimental psychology , 3 (1), 1.

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Psychology’s 10 Greatest Case Studies – Digested

These ten characters have all had a huge influence on psychology and their stories continue to intrigue each new generation of students.

27 November 2015

By Christian Jarrett

These ten characters have all had a huge influence on psychology and their stories continue to intrigue each new generation of students. What's particularly fascinating is that many of their stories continue to evolve – new evidence comes to light, or new technologies are brought to bear, changing how the cases are interpreted and understood. What many of these 10 also have in common is that they speak to some of the perennial debates in psychology, about personality and identity, nature and nurture, and the links between mind and body.

Phineas Gage

One day in 1848 in Central Vermont, Phineas Gage was tamping explosives into the ground to prepare the way for a new railway line when he had a terrible accident. The detonation went off prematurely, and his tamping iron shot into his face, through his brain, and out the top of his head. Remarkably Gage survived, although his friends and family reportedly felt he was changed so profoundly (becoming listless and aggressive) that "he was no longer Gage."

There the story used to rest – a classic example of frontal brain damage affecting personality. However, recent years have seen a drastic reevaluation of Gage's story in light of new evidence. It's now believed that he underwent significant rehabilitation and in fact began work as a horse carriage driver in Chile. A simulation of his injuries suggested much of his right frontal cortex was likely spared, and photographic evidence has been unearthed showing a post-accident dapper Gage. Not that you'll find this revised account in many psychology textbooks: a recent analysis showed that few of them have kept up to date with the new evidence.

See also Jim Horne's ' Blasts from the past ', looking back at similar accounts from the era.

Henry Gustav Molaison (known for years as H.M. in the literature to protect his privacy), who died in 2008, developed severe amnesia at age 27 after undergoing brain surgery as a form of treatment for the epilepsy he'd suffered since childhood. He was subsequently the focus of study by over 100 psychologists and neuroscientists and he's been mentioned in over 12,000 journal articles! Molaison's surgery involved the removal of large parts of the hippocampus on both sides of his brain and the result was that he was almost entirely unable to store any new information in long-term memory (there were some exceptions – for example, after 1963 he was aware that a US president had been assassinated in Dallas). The extremity of Molaison's deficits was a surprise to experts of the day because many of them believed that memory was distributed throughout the cerebral cortex.

Today, Molaison's legacy lives on: his brain was carefully sliced and preserved and turned into a 3D digital atlas and his life story is reportedly due to be turned into a feature film based on the book researcher Suzanne Corkin wrote about him: Permanent Present Tense, The Man With No Memory and What He Taught The World .

See also 'Understanding amnesia - Is it time to forget H.M.?'

Victor Leborgne (nickname "Tan")

In 1861, aged 51, Leborgne was referred to the renowned neurologist Paul Broca, but died soon after. Broca examined Leborgne's brain and noticed a lesion in his left frontal lobe – a segment of tissue now known as Broca's area. Given Leborgne's impaired speech but intact comprehension, Broca concluded that this area of the brain was responsible for speech production and he set about persuading his peers of this fact – now recognised as a key moment in psychology's history.

For decades little was known about Leborgne, besides his important contribution to science. However, in a paper published in 2013, Cezary Domanski at Maria Curie-Sklodowska University in Poland uncovered new biographical details, including the possibility that Leborgne muttered the word "Tan" because his birthplace of Moret, home to several tanneries.

See also ' Glimpsed at last ', and ' Using brain imaging to re-evaluate psychology's three most famous cases '.

Wild Boy of Aveyron

The "Wild boy of Aveyron" – named Victor by the physician Jean-Marc Itard – was found emerging from Aveyron forest in South West France in 1800, aged 11 or 12, where's it's thought he had been living in the wild for several years. For psychologists and philosophers, Victor became a kind of "natural experiment" into the question of nature and nurture. How would he be affected by the lack of human input early in his life?

Those who hoped Victor would support the notion of the "noble savage" uncorrupted by modern civilisation were largely disappointed: the boy was dirty and dishevelled, defecated where he stood and apparently motivated largely by hunger. Victor acquired celebrity status after he was transported to Paris and Itard began a mission to teach and socialise the "feral child". This programme met with mixed success: Victor never learned to speak fluently, but he dressed, learned civil toilet habits, could write a few letters and acquired some very basic language comprehension. Autism expert Uta Frith believes Victor may have been abandoned because he was autistic, but she acknowledges we will never know the truth of his background.

Victor's story inspired the 2004 novel The Wild Boy and was dramatised in the 1970 French film The Wild Child .

Listen to an episode of 'The Mind Changers'.

Nicknamed 'Kim-puter' by his friends, Peek who died in 2010 aged 58, was the inspiration for Dustin Hoffman's autistic savant character in the multi-Oscar-winning film Rain Man . Before that movie, which was released in 1988, few people had heard of autism, so Peek via the film can be credited with helping to raise the profile of the condition.

Arguably though, the film also helped spread the popular misconception that giftedness is a hallmark of autism (in one notable scene, Hoffman's character deduces in an instant the precise number of cocktail sticks – 246 – that a waitress drops on the floor). Peek himself was actually a non-autistic savant, born with brain abnormalities including a malformed cerebellum and an absent corpus callosum (the massive bundle of tissue that usually connects the two hemispheres). His savant skills were astonishing and included calendar calculation, as well as an encyclopaedic knowledge of history, literature, classical music, US zip codes and travel routes. It was estimated that he read more than 12,000 books in his life time, all of them committed to flawless memory. Although outgoing and sociable, Peek had coordination problems and struggled with abstract or conceptual thinking.

"Anna O." is the pseudonym for Bertha Pappenheim, a pioneering German Jewish feminist and social worker who died in 1936 aged 77. As Anna O. she is known as one of the first ever patients to undergo psychoanalysis and her case inspired much of Freud's thinking on mental illness. Pappenheim first came to the attention of another psychoanalyst, Joseph Breuer, in 1880 when he was called to her house in Vienna where she was lying in bed, almost entirely paralysed. Her other symptoms include hallucinations, personality changes and rambling speech, but doctors could find no physical cause.

For 18 months, Breuer visited her almost daily and talked to her about her thoughts and feelings, including her grief for her father, and the more she talked, the more her symptoms seemed to fade – this was apparently one of the first ever instances of psychoanalysis or "the talking cure", although the degree of Breuer's success has been disputed and some historians allege that Pappenheim did have an organic illness, such as epilepsy.

Although Freud never met Pappenheim, he wrote about her case, including the notion that she had a hysterical pregnancy, although this too is disputed. The latter part of Pappenheim's life in Germany post 1888 is as remarkable as her time as Anna O. She became a prolific writer and social pioneer, including authoring stories, plays, and translating seminal texts, and she founded social clubs for Jewish women, worked in orphanages and founded the German Federation of Jewish Women.

Kitty Genovese

Sadly, it is not really Kitty Genovese the person who has become one of psychology's classic case studies, but rather the terrible fate that befell her. In 1964 in New York, Genovese was returning home from her job as a bar maid when she was attacked and eventually murdered by Winston Mosely. What made this tragedy so influential to psychology was that it inspired research into what became known as the Bystander Phenomenon – the now well-established finding that our sense of individual responsibility is diluted by the presence of other people. According to folklore, 38 people watched Genovese's demise yet not one of them did anything to help, apparently a terrible real life instance of the Bystander Effect.

However, the story doesn't end there because historians have since established the reality was much more complicated – at least two people did try to summon help, and actually there was only one witness the second and fatal attack. While the main principle of the Bystander Effect has stood the test of time, modern psychology's understanding of the way it works has become a lot more nuanced. For example, there's evidence that in some situations people are more likely to act when they're part of a larger group, such as when they and the other group members all belong to the same social category (such as all being women) as the victim.

See also another angle , on false confessions.

Little Albert

"Little Albert" was the nickname that the pioneering behaviourist psychologist John Watson gave to an 11-month-old baby, in whom, with his colleague and future wife Rosalind Rayner, he deliberately attempted to instill certain fears through a process of conditioning. The research, which was of dubious scientific quality, was conducted in 1920 and has become notorious for being so unethical (such a procedure would never be given approval in modern university settings).

Interest in Little Albert has reignited in recent years as an academic quarrel has erupted over his true identity. A group led by Hall Beck at Appalachian University announced in 2011 that they thought Little Albert was actually Douglas Merritte, the son of a wet nurse at John Hopkins University where Watson and Rayner were based. According to this sad account, Little Albert was neurologically impaired, compounding the unethical nature of the Watson/Rayner research, and he died aged six of hydrocephalus (fluid on the brain).

However, this account was challenged by a different group of scholars led by Russell Powell at MacEwan University in 2014. They established that Little Albert was more likely William A Barger (recorded in his medical file as Albert Barger), the son of a different wet nurse. Earlier this year, textbook writer Richard Griggs weighed up all the evidence and concluded that the Barger story is the more credible, which would mean that Little Albert in fact died 2007 aged 87.

Chris Sizemore

In recent years, Sizemore has described how her alter egos have been combined into one united personality for many decades, but she still sees different aspects of her past as belonging to her different personalities. For example, she has stated that her husband was married to Eve White (not her), and that Eve White is the mother of her first daughter. Her story was turned into a movie in 1957 called The Three Faces of Eve (based on a book of the same name written by her psychiatrists). Joanne Woodward won the best actress Oscar for portraying Sizemore and her various personalities in this film. Sizemore published her autobiography in 1977 called I'm Eve . In 2009, she appeared on the BBC's Hard Talk interview show.

David Reimer

One of the most famous patients in psychology, Reimer lost his penis in a botched circumcision operation when he was just 8 months old. His parents were subsequently advised by psychologist John Money to raise Reimer as a girl, "Brenda", and for him to undergo further surgery and hormone treatment to assist his gender reassignment. Money initially described the experiment (no one had tried anything like this before) as a huge success that appeared to support his belief in the important role of socialisation, rather than innate factors, in children's gender identity.

In fact, the reassignment was seriously problematic and Reimer's boyishness was never far beneath the surface. When he was aged 14, Reimer was told the truth about his past and set about reversing the gender reassignment process to become male again. He later campaigned against other children with genital injuries being gender reassigned in the way that he had been. His story was turned into the book As Nature Made Him, The Boy Who Was Raised As A Girl by John Colapinto, and he is the subject of two BBC Horizon documentaries. Tragically, Reimer took his own life in 2004, aged just 38.

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What Is a Case Study in Psychology?

Categories Research Methods

A case study is a research method used in psychology to investigate a particular individual, group, or situation in depth . It involves a detailed analysis of the subject, gathering information from various sources such as interviews, observations, and documents.

In a case study, researchers aim to understand the complexities and nuances of the subject under investigation. They explore the individual’s thoughts, feelings, behaviors, and experiences to gain insights into specific psychological phenomena.

This type of research can provide great detail regarding a particular case, allowing researchers to examine rare or unique situations that may not be easily replicated in a laboratory setting. They offer a holistic view of the subject, considering various factors influencing their behavior or mental processes.

By examining individual cases, researchers can generate hypotheses, develop theories, and contribute to the existing body of knowledge in psychology. Case studies are often utilized in clinical psychology, where they can provide valuable insights into the diagnosis, treatment, and outcomes of specific psychological disorders.

Case studies offer a comprehensive and in-depth understanding of complex psychological phenomena, providing researchers with valuable information to inform theory, practice, and future research.

Table of Contents

Examples of Case Studies in Psychology

Case studies in psychology provide real-life examples that illustrate psychological concepts and theories. They offer a detailed analysis of specific individuals, groups, or situations, allowing researchers to understand psychological phenomena better. Here are a few examples of case studies in psychology:

Phineas Gage

This famous case study explores the effects of a traumatic brain injury on personality and behavior. A railroad construction worker, Phineas Gage survived a severe brain injury that dramatically changed his personality.

This case study helped researchers understand the role of the frontal lobe in personality and social behavior.

Little Albert

Conducted by behaviorist John B. Watson, the Little Albert case study aimed to demonstrate classical conditioning. In this study, a young boy named Albert was conditioned to fear a white rat by pairing it with a loud noise.

This case study provided insights into the process of fear conditioning and the impact of early experiences on behavior.

Genie’s case study focused on a girl who experienced extreme social isolation and deprivation during her childhood. This study shed light on the critical period for language development and the effects of severe neglect on cognitive and social functioning.

These case studies highlight the value of in-depth analysis and provide researchers with valuable insights into various psychological phenomena. By examining specific cases, psychologists can uncover unique aspects of human behavior and contribute to the field’s knowledge and understanding.

Types of Case Studies in Psychology

Psychology case studies come in various forms, each serving a specific purpose in research and analysis. Understanding the different types of case studies can help researchers choose the most appropriate approach.

Descriptive Case Studies

These studies aim to describe a particular individual, group, or situation. Researchers use descriptive case studies to explore and document specific characteristics, behaviors, or experiences.

For example, a descriptive case study may examine the life and experiences of a person with a rare psychological disorder.

Exploratory Case Studies

Exploratory case studies are conducted when there is limited existing knowledge or understanding of a particular phenomenon. Researchers use these studies to gather preliminary information and generate hypotheses for further investigation.

Exploratory case studies often involve in-depth interviews, observations, and analysis of existing data.

Explanatory Case Studies

These studies aim to explain the causal relationship between variables or events. Researchers use these studies to understand why certain outcomes occur and to identify the underlying mechanisms or processes.

Explanatory case studies often involve comparing multiple cases to identify common patterns or factors.

Instrumental Case Studies

Instrumental case studies focus on using a particular case to gain insights into a broader issue or theory. Researchers select cases that are representative or critical in understanding the phenomenon of interest.

Instrumental case studies help researchers develop or refine theories and contribute to the general knowledge in the field.

By utilizing different types of case studies, psychologists can explore various aspects of human behavior and gain a deeper understanding of psychological phenomena. Each type of case study offers unique advantages and contributes to the overall body of knowledge in psychology.

How to Collect Data for a Case Study

There are a variety of ways that researchers gather the data they need for a case study. Some sources include:

Directly observing the subject
Collecting information from archival records
Conducting interviews
Examining artifacts related to the subject
Examining documents that provide information about the subject

The way that this information is collected depends on the nature of the study itself

Prospective Research

In a prospective study, researchers observe the individual or group in question. These observations typically occur over a period of time and may be used to track the progress or progression of a phenomenon or treatment.

Retrospective Research

A retrospective case study involves looking back on a phenomenon. Researchers typically look at the outcome and then gather data to help them understand how the individual or group reached that point.

Benefits of a Case Study

Case studies offer several benefits in the field of psychology. They provide researchers with a unique opportunity to delve deep into specific individuals, groups, or situations, allowing for a comprehensive understanding of complex phenomena.

Case studies offer valuable insights that can inform theory development and practical applications by examining real-life examples.

Complex Data

One of the key benefits of case studies is their ability to provide complex and detailed data. Researchers can gather in-depth information through various methods such as interviews, observations, and analysis of existing records.

This depth of data allows for a thorough exploration of the factors influencing behavior and the underlying mechanisms at play.

Unique Data

Additionally, case studies allow researchers to study rare or unique cases that may not be easily replicated in experimental settings. This enables the examination of phenomena that are difficult to study through other psychology research methods .

By focusing on specific cases, researchers can uncover patterns, identify causal relationships, and generate hypotheses for further investigation.

General Knowledge

Case studies can also contribute to the general knowledge of psychology by providing real-world examples that can be used to support or challenge existing theories. They offer a bridge between theory and practice, allowing researchers to apply theoretical concepts to real-life situations and vice versa.

Case studies offer a range of benefits in psychology, including providing rich and detailed data, studying unique cases, and contributing to theory development. These benefits make case studies valuable in understanding human behavior and psychological phenomena.

Limitations of a Case Study

While case studies offer numerous benefits in the field of psychology, they also have certain limitations that researchers need to consider. Understanding these limitations is crucial for interpreting the findings and generalizing the results.

Lack of Generalizability

One limitation of case studies is the issue of generalizability. Since case studies focus on specific individuals, groups, and situations, applying the findings to a larger population can be challenging. The unique characteristics and circumstances of the case may not be representative of the broader population, making it difficult to draw universal conclusions.

Researcher bias is another possible limitation. The researcher’s subjective interpretation and personal beliefs can influence the data collection, analysis, and interpretation process. This bias can affect the objectivity and reliability of the findings, raising questions about the study’s validity.

Case studies are often time-consuming and resource-intensive. They require extensive data collection, analysis, and interpretation, which can be lengthy. This can limit the number of cases that can be studied and may result in a smaller sample size, reducing the study’s statistical power.

Case studies are retrospective in nature, relying on past events and experiences. This reliance on memory and self-reporting can introduce recall bias and inaccuracies in the data. Participants may forget or misinterpret certain details, leading to incomplete or unreliable information.

Despite these limitations, case studies remain a valuable research tool in psychology. By acknowledging and addressing these limitations, researchers can enhance the validity and reliability of their findings, contributing to a more comprehensive understanding of human behavior and psychological phenomena.

While case studies have limitations, they remain valuable when researchers acknowledge and address these concerns, leading to more reliable and valid findings in psychology.

Alpi, K. M., & Evans, J. J. (2019). Distinguishing case study as a research method from case reports as a publication type. Journal of the Medical Library Association , 107(1). https://doi.org/10.5195/jmla.2019.615

Crowe, S., Cresswell, K., Robertson, A., Huby, G., Avery, A., & Sheikh, A. (2011). The case study approach. BMC Medical Research Methodology , 11(1), 100. https://doi.org/10.1186/1471-2288-11-100

Paparini, S., Green, J., Papoutsi, C., Murdoch, J., Petticrew, M., Greenhalgh, T., Hanckel, B., & Shaw, S. (2020). Case study research for better evaluations of complex interventions: Rationale and challenges. BMC Medicine , 18(1), 301. https://doi.org/10.1186/s12916-020-01777-6

Willemsen, J. (2023). What is preventing psychotherapy case studies from having a greater impact on evidence-based practice, and how to address the challenges? Frontiers in Psychiatry , 13, 1101090. https://doi.org/10.3389/fpsyt.2022.1101090

Yin, Robert K. Case Study Research and Applications: Design and Methods . United States, SAGE Publications, 2017.

A case study is a research method that extensively explores a particular subject, situation, or individual through in-depth analysis, often to gain insights into real-world phenomena or complex issues. It involves the comprehensive examination of multiple data sources, such as interviews, observations, documents, and artifacts, to provide a rich and holistic understanding of the subject under investigation.

Case studies are conducted to:

Investigate a specific problem, event, or phenomenon
Explore unique or atypical situations
Examine the complexities and intricacies of a subject in its natural context
Develop theories, propositions, or hypotheses for further research
Gain practical insights for decision-making or problem-solving

A typical case study consists of the following components:

Introduction: Provides a brief background and context for the study, including the purpose and research questions.
Case Description: Describes the subject of the case study, including its relevant characteristics, settings, and participants.
Data Collection: Details the methods used to gather data, such as interviews, observations, surveys, or document analysis.
Data Analysis: Explains the techniques employed to analyze the collected data and derive meaningful insights.
Findings: Presents the key discoveries and outcomes of the case study in a logical and organized manner.
Discussion: Interprets the findings, relates them to existing theories or frameworks, discusses their implications, and addresses any limitations.
Conclusion: Summarizes the main findings, highlights the significance of the research, and suggests potential avenues for future investigations.

Case studies offer several benefits, including:

Providing a deep understanding of complex and context-dependent phenomena
Generating detailed and rich qualitative data
Allowing researchers to explore multiple perspectives and factors influencing the subject
Offering practical insights for professionals and practitioners
Allowing for the examination of rare or unique occurrences that cannot be replicated in experimental settings

Understanding Case Study Method in Research: A Comprehensive Guide

Table of Contents

Have you ever wondered how researchers uncover the nuanced layers of individual experiences or the intricate workings of a particular event? One of the keys to unlocking these mysteries lies in the case study method , a research strategy that might seem straightforward at first glance but is rich with complexity and insightful potential. Let’s dive into the world of case studies and discover why they are such a valuable tool in the arsenal of research methods.

What is a Case Study Method?

At its core, the case study method is a form of qualitative research that involves an in-depth, detailed examination of a single subject, such as an individual, group, organization, event, or phenomenon. It’s a method favored when the boundaries between phenomenon and context are not clearly evident, and where multiple sources of data are used to illuminate the case from various perspectives. This method’s strength lies in its ability to provide a comprehensive understanding of the case in its real-life context.

Historical Context and Evolution of Case Studies

Case studies have been around for centuries, with their roots in medical and psychological research. Over time, their application has spread to disciplines like sociology, anthropology, business, and education. The evolution of this method has been marked by a growing appreciation for qualitative data and the rich, contextual insights it can provide, which quantitative methods may overlook.

Characteristics of Case Study Research

What sets the case study method apart are its distinct characteristics:

Intensive Examination: It provides a deep understanding of the case in question, considering the complexity and uniqueness of each case.
Contextual Analysis: The researcher studies the case within its real-life context, recognizing that the context can significantly influence the phenomenon.
Multiple Data Sources: Case studies often utilize various data sources like interviews, observations, documents, and reports, which provide multiple perspectives on the subject.
Participant’s Perspective: This method often focuses on the perspectives of the participants within the case, giving voice to those directly involved.

Types of Case Studies

There are different types of case studies, each suited for specific research objectives:

Exploratory: These are conducted before large-scale research projects to help identify questions, select measurement constructs, and develop hypotheses.
Descriptive: These involve a detailed, in-depth description of the case, without attempting to determine cause and effect.
Explanatory: These are used to investigate cause-and-effect relationships and understand underlying principles of certain phenomena.
Intrinsic: This type is focused on the case itself because the case presents an unusual or unique issue.
Instrumental: Here, the case is secondary to understanding a broader issue or phenomenon.
Collective: These involve studying a group of cases collectively or comparably to understand a phenomenon, population, or general condition.

The Process of Conducting a Case Study

Conducting a case study involves several well-defined steps:

Defining Your Case: What or who will you study? Define the case and ensure it aligns with your research objectives.
Selecting Participants: If studying people, careful selection is crucial to ensure they fit the case criteria and can provide the necessary insights.
Data Collection: Gather information through various methods like interviews, observations, and reviewing documents.
Data Analysis: Analyze the collected data to identify patterns, themes, and insights related to your research question.
Reporting Findings: Present your findings in a way that communicates the complexity and richness of the case study, often through narrative.

Case Studies in Practice: Real-world Examples

Case studies are not just academic exercises; they have practical applications in every field. For instance, in business, they can explore consumer behavior or organizational strategies. In psychology, they can provide detailed insight into individual behaviors or conditions. Education often uses case studies to explore teaching methods or learning difficulties.

Advantages of Case Study Research

While the case study method has its critics, it offers several undeniable advantages:

Rich, Detailed Data: It captures data too complex for quantitative methods.
Contextual Insights: It provides a better understanding of the phenomena in its natural setting.
Contribution to Theory: It can generate and refine theory, offering a foundation for further research.

Limitations and Criticism

However, it’s important to acknowledge the limitations and criticisms:

Generalizability : Findings from case studies may not be widely generalizable due to the focus on a single case.
Subjectivity: The researcher’s perspective may influence the study, which requires careful reflection and transparency.
Time-Consuming: They require a significant amount of time to conduct and analyze properly.

Concluding Thoughts on the Case Study Method

The case study method is a powerful tool that allows researchers to delve into the intricacies of a subject in its real-world environment. While not without its challenges, when executed correctly, the insights garnered can be incredibly valuable, offering depth and context that other methods may miss. Robert K. Yin ’s advocacy for this method underscores its potential to illuminate and explain contemporary phenomena, making it an indispensable part of the researcher’s toolkit.

Reflecting on the case study method, how do you think its application could change with the advancements in technology and data analytics? Could such a traditional method be enhanced or even replaced in the future?

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Research Methods in Psychology

1 Introduction to Psychological Research – Objectives and Goals, Problems, Hypothesis and Variables

Nature of Psychological Research
The Context of Discovery
Context of Justification
Characteristics of Psychological Research
Goals and Objectives of Psychological Research

2 Introduction to Psychological Experiments and Tests

Independent and Dependent Variables
Extraneous Variables
Experimental and Control Groups
Introduction of Test
Types of Psychological Test
Uses of Psychological Tests

3 Steps in Research

Research Process
Identification of the Problem
Review of Literature
Formulating a Hypothesis
Identifying Manipulating and Controlling Variables
Formulating a Research Design
Constructing Devices for Observation and Measurement
Sample Selection and Data Collection
Data Analysis and Interpretation
Hypothesis Testing
Drawing Conclusion

4 Types of Research and Methods of Research

Historical Research
Descriptive Research
Correlational Research
Qualitative Research
Ex-Post Facto Research
True Experimental Research
Quasi-Experimental Research

5 Definition and Description Research Design, Quality of Research Design

Research Design
Purpose of Research Design
Design Selection
Criteria of Research Design
Qualities of Research Design

6 Experimental Design (Control Group Design and Two Factor Design)

Experimental Design
Control Group Design
Two Factor Design

7 Survey Design

Survey Research Designs
Steps in Survey Design
Structuring and Designing the Questionnaire
Interviewing Methodology
Data Analysis
Final Report

8 Single Subject Design

Single Subject Design: Definition and Meaning
Phases Within Single Subject Design
Requirements of Single Subject Design
Characteristics of Single Subject Design
Types of Single Subject Design
Advantages of Single Subject Design
Disadvantages of Single Subject Design

9 Observation Method

Definition and Meaning of Observation
Characteristics of Observation
Types of Observation
Advantages and Disadvantages of Observation
Guides for Observation Method

10 Interview and Interviewing

Definition of Interview
Types of Interview
Aspects of Qualitative Research Interviews
Interview Questions
Convergent Interviewing as Action Research
Research Team

11 Questionnaire Method

Definition and Description of Questionnaires
Types of Questionnaires
Purpose of Questionnaire Studies
Designing Research Questionnaires
The Methods to Make a Questionnaire Efficient
The Types of Questionnaire to be Included in the Questionnaire
Advantages and Disadvantages of Questionnaire
When to Use a Questionnaire?

12 Case Study

Definition and Description of Case Study Method
Historical Account of Case Study Method
Designing Case Study
Requirements for Case Studies
Guideline to Follow in Case Study Method
Other Important Measures in Case Study Method
Case Reports

13 Report Writing

Purpose of a Report
Writing Style of the Report
Report Writing – the Do’s and the Don’ts
Format for Report in Psychology Area
Major Sections in a Report

14 Review of Literature

Purposes of Review of Literature
Sources of Review of Literature
Types of Literature
Writing Process of the Review of Literature
Preparation of Index Card for Reviewing and Abstracting

15 Methodology

Definition and Purpose of Methodology
Participants (Sample)
Apparatus and Materials

16 Result, Analysis and Discussion of the Data

Definition and Description of Results
Statistical Presentation
Tables and Figures

17 Summary and Conclusion

Summary Definition and Description
Guidelines for Writing a Summary
Writing the Summary and Choosing Words
A Process for Paraphrasing and Summarising
Summary of a Report
Writing Conclusions

18 References in Research Report

Reference List (the Format)
References (Process of Writing)
Reference List and Print Sources
Electronic Sources
Book on CD Tape and Movie
Reference Specifications
General Guidelines to Write References

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Understanding the Importance of Case Studies in Psychology

Case studies play a crucial role in the field of psychology, providing researchers with valuable insights into human behavior and mental processes. From providing real-life examples to generating hypotheses and analyzing rare phenomena, case studies offer a deep dive into the complexities of the human mind.

But how are these studies conducted, and what are the different types? In this article, we will explore the significance of case studies in psychology, their methodology, and the various types that researchers utilize in their work.

Case studies provide real-life examples to support theories and concepts in psychology.
They allow for in-depth analysis of individual experiences, thoughts, and behaviors.
Case studies help generate hypotheses and provide insight into rare phenomena, making them valuable in research.
1 What Are Case Studies in Psychology?
2.1 Provide Real-life Examples
2.2 Allow for In-depth Analysis
2.3 Help in Generating Hypotheses
2.4 Provide Insight into Rare Phenomena
2.5 Can be Used in Ethically Sensitive Situations
3.1 Selecting a Case
3.2 Collecting Data
3.3 Analyzing Data
3.4 Reporting Findings
4.1 Descriptive Case Studies
4.2 Exploratory Case Studies
4.3 Explanatory Case Studies
4.4 Collective Case Studies
4.5 Single-Case Studies
4.6 Multiple-Case Studies
5.1 What are case studies in psychology?
5.2 Why are case studies important in psychology?
5.3 How do case studies help in understanding psychology?
5.4 What are the benefits of using case studies in psychology?
5.5 Can case studies be used to generalize findings?
5.6 What are the limitations of using case studies in psychology?

What Are Case Studies in Psychology?

Case studies in psychology refer to detailed investigations of a single individual, group, or event to explore underlying principles and behaviors.

These studies are conducted to gain a deeper understanding of specific psychological phenomena and provide valuable insights into the complexities of human behavior. By focusing on a particular subject, researchers are able to examine real-world scenarios in depth, uncovering unique aspects that may not be captured through larger-scale studies.

The purpose of case studies in psychology is not only to analyze specific cases but also to draw broader conclusions and develop theories that can contribute to the advancement of psychological knowledge. They serve as a crucial tool in the research process, allowing researchers to examine complex interactions and variables within a controlled framework.

Why Are Case Studies Important in Psychology?

Case studies hold significant importance in psychology due to their ability to provide detailed insights into individual behavior and psychological phenomena.

Through case studies , psychologists can delve deep into the unique circumstances surrounding a particular person or group, shedding light on complex psychological processes that may not be easily observable in large-scale research.

These in-depth examinations enable researchers to explore rare phenomena that may not be commonly encountered in everyday life, offering a valuable opportunity to study and understand the complexities of human behavior.

Case studies play a crucial role in generating hypotheses for further investigation, laying the groundwork for more extensive research studies.

Provide Real-life Examples

Case studies in psychology offer real-life examples that allow researchers and practitioners to apply theoretical concepts to actual scenarios, a practice famously exemplified by Sigmund Freud in his clinical work.

Freud’s use of case studies, such as the famous ‘Anna O.’ case, revolutionized how psychologists understand and treat mental disorders.

These in-depth investigations delve into an individual’s thoughts, emotions, and behaviors, providing rich data for analyzing psychological principles in action.

By examining specific cases, professionals can gain insights into varying mental health conditions, like schizophrenia, PTSD, or phobias.

Allow for In-depth Analysis

Case studies enable researchers to conduct in-depth analyses of complex psychological phenomena, facilitating detailed data collection and rigorous analysis methods.

By delving deeply into individual cases, researchers can gather rich, detailed information that may not be accessible through other research methods.

Data collection techniques such as interviews, observations, and archival research are commonly employed to gather comprehensive data.

Analytical approaches such as thematic analysis, content analysis, and grounded theory are then utilized to interpret the gathered information and derive meaningful insights.

Through this intricate process, researchers can uncover nuanced patterns, behaviors, and underlying psychological dynamics, leading to qualitative research that offers valuable insights into human behavior and cognition.

Help in Generating Hypotheses

Case studies play a key role in generating hypotheses within psychology by providing rich qualitative data that can inform diagnostic processes and research directions.

These in-depth analyses of individual cases allow researchers to delve into specific behaviors, experiences, and psychological phenomena, offering detailed insights that can lead to the formulation of new theories or test existing hypotheses.

By examining unique cases, psychologists can identify patterns, outliers, and uncommon manifestations that expand their understanding of mental health conditions and human behavior.
The flexibility of case study research methods enables researchers to adapt their approach to each unique case, accommodating the complex and intricate nature of psychological disorders.

This nuanced exploration of individual experiences and symptoms contributes significantly to the development of accurate diagnostic criteria and effective treatment strategies, enhancing the overall quality of psychological research and clinical practice.

Provide Insight into Rare Phenomena

Case studies offer valuable insights into rare psychological phenomena that may not be easily captured through traditional research methods, such as the application of cognitive behavioral therapy in exceptional cases.

These in-depth examinations of individual cases allow researchers to delve deeper into unique psychological abnormalities that may defy standard treatment strategies. For instance, rare cases of dissociative identity disorder have shown remarkable progress with the implementation of cognitive behavioral therapy , shedding light on the potential effectiveness of this unconventional approach. Through detailed narratives of patient experiences and therapeutic interventions, case studies provide a rich source of information for psychologists and therapists alike, offering a nuanced understanding of complex psychological conditions.

Can be Used in Ethically Sensitive Situations

Case studies are instrumental in addressing ethically sensitive situations within psychology, ensuring the competence and adherence to ethical guidelines in clinical practice and research.

In the realm of clinical settings, it is imperative for psychologists to uphold the highest ethical standards when dealing with delicate ethical dilemmas that may arise. By diving into case studies, professionals can gain valuable insights into the complexities of ethical decision-making processes. For a better understanding of the importance of case studies in psychology, you can refer to this external link .

The application of ethical principles plays a fundamental role in safeguarding the welfare of clients and maintaining trust in the therapeutic relationship. Ethical considerations serve as the moral compass guiding psychologists in navigating intricate scenarios that may challenge their professional integrity.

How Are Case Studies Conducted in Psychology?

Case studies in psychology are conducted through a systematic process involving the selection of a case, data collection, thorough analysis, and comprehensive reporting of findings.

Regarding selecting a case for a psychological study, researchers typically look for rich and detailed examples that can provide valuable insights into specific phenomena or conditions. This selection process often involves careful consideration of factors such as uniqueness, relevance to the research question, and the availability of information.

Data collection methods in psychological case studies can vary, ranging from structured interviews and observations to psychological tests and document analysis. These methods aim to gather comprehensive and reliable data that can offer a deep understanding of the case under investigation.

Once the data is collected, researchers employ various analytical approaches, such as thematic analysis, content analysis, or grounded theory, to identify patterns, themes, and relationships within the data. These analytical techniques help in uncovering significant findings and drawing meaningful conclusions.

Selecting a Case

The initial step in conducting a case study in psychology involves selecting an individual case with a compelling personal history that aligns with the research objectives.

It is paramount to consider the individual’s background, experiences, and unique attributes when choosing a case.

Assessing the personal history of the case subject can provide valuable insights into potential factors contributing to their current situation.
Ensuring that the research objectives are in harmony with the characteristics of the chosen case helps maintain relevance and coherence in the study.
Each case has its own complexities, challenges, and dynamics that can offer rich material for analysis and interpretation.

Therefore, a thorough evaluation of the personal history, alignment with research goals, and distinct qualities of the case individual are crucial steps in the selection process for a psychological case study.

Collecting Data

Data collection in psychological case studies involves various methods such as observational studies , archival record reviews, and direct interviews to gather comprehensive information about the case.

Observational studies, one of the primary data collection techniques in psychological case studies, involve the systematic observation of individuals in their natural environment to understand their behavior and interactions. Researchers closely analyze and document these observations to gain insights into the case under study.

Archival record reviews play a crucial role in accessing historical information related to the case. Researchers sift through records such as medical reports, school transcripts, or legal documents to gather valuable data that provides context and background for the case.

Interview methods offer researchers the opportunity to delve deeper into the case by directly interacting with the individuals involved. Through structured or semi-structured interviews, researchers can gather detailed accounts, emotions, and perspectives, enriching the understanding of the case.

Analyzing Data

Data analysis in psychological case studies involves rigorous examination methods such as interpretative phenomenological analysis to derive meaningful insights from collected information.

This approach aims to uncover underlying themes and patterns within the data, allowing researchers to delve deep into the subjective experiences of individuals studied. Through thematic coding practices, researchers categorize and organize data based on recurring themes or concepts, facilitating a systematic analysis process. By employing analytical rigor and attention to detail, researchers can extract valuable insights that contribute to a more profound understanding of the psychological phenomena under investigation.

Reporting Findings

Reporting findings in psychological case studies follows established guidelines such as the APA format, ensuring clear and concise documentation of the research outcomes and clinical observations.

Following the APA format standards is crucial in the field of psychology as it provides a structured framework for presenting research data and insights. By adhering to these guidelines, researchers can enhance the credibility and reproducibility of their findings, fostering transparency in the scientific community.

The meticulous reporting of results not only aids in the replication of studies but also facilitates the integration of new knowledge into existing theories and practices. Maintaining consistency in clinical documentation allows for effective communication among professionals, promoting collaborative efforts in advancing psychological research.

What Are the Different Types of Case Studies in Psychology?

In psychology, various types of case studies exist, including descriptive case studies that aim to provide detailed accounts and explanatory case studies that focus on understanding underlying psychological mechanisms.

Descriptive case studies often involve extensive qualitative data collection through methods such as interviews, observations, and document analysis to present a rich narrative of an individual’s experiences or behaviors.

On the other hand, explanatory case studies delve deeper into the causal relationships between variables, seeking to uncover the reasons behind certain psychological phenomena or behaviors.

While descriptive studies offer a comprehensive portrayal, explanatory studies strive to unravel the ‘why’ and ‘how’ aspects, shedding light on the mechanisms at play in complex psychological processes.

Descriptive Case Studies

Descriptive case studies in psychology involve detailed observations and analyses of individual cases to provide comprehensive insights into behavior and psychological processes.

Observational research methods play a crucial role in conducting descriptive case studies, allowing researchers to directly observe and document the behaviors and responses of the individuals under study. These methods often involve naturalistic observations in real-life settings, providing rich and nuanced data for analysis. Researchers often employ thematic coding practices to categorize and analyze the qualitative data collected during these observations, identifying recurring themes and patterns within the behavior of the case subjects.

Exploratory Case Studies

Exploratory case studies in psychology aim to delve into new areas of research, employing thematic coding to identify patterns and themes within the collected data.

Thematic coding, a crucial methodology in these studies, involves categorizing data based on recurring themes and concepts that emerge during analysis. This process allows researchers to uncover hidden connections and gain deeper insight into the phenomena under investigation.

Longitudinal studies, often utilized in exploratory research, provide a temporal perspective by tracking changes and developments over an extended period. This longitudinal approach enables researchers to observe how patterns evolve over time, offering a more comprehensive understanding of complex psychological processes.

Explanatory Case Studies

Explanatory case studies in psychology focus on understanding the underlying psychological phenomena through interpretative phenomenological analysis, uncovering the complexities of individual behavior.

By utilizing interpretative phenomenological analysis methods, researchers can delve deep into the subjective experiences and perceptions of participants, providing rich insights into the intricate workings of the human mind. These case studies serve as valuable tools for theory testing approaches, allowing psychologists to explore the applicability and validity of existing theories in real-world contexts.

The theoretical interpretations derived from these studies help in advancing our understanding of psychological processes, shedding light on factors that influence behavior, emotions, and cognition. Through detailed qualitative analysis, researchers can capture the nuances and subtleties of individual differences and diverse psychological phenomena, contributing to the broader field of psychology.

Collective Case Studies

Collective case studies in psychology involve the examination of multiple cases or a group of individuals over an extended period, often utilizing longitudinal study designs to capture developmental changes.

The primary goal of collective case studies is to provide a comprehensive understanding of specific phenomena by observing patterns across different cases. By analyzing these cases simultaneously, researchers can gain insights into shared experiences, unique outcomes, and variations that might occur within the group.

Longitudinal study frameworks in collective case studies allow researchers to track changes over time, providing valuable data on long-term behavioral patterns and psychological development.

Cross-sectional comparisons, on the other hand, enable researchers to compare different cases at a specific point in time, helping identify similarities, differences, and potential factors influencing group dynamics.

Single-Case Studies

Single-case studies in psychology focus on individual cases, allowing for a detailed examination of unique behaviors and psychological patterns while addressing potential researcher biases.

By diving into a single individual’s experience, researchers can gain in-depth insights into specific behaviors and responses. This approach enables a focused analysis of the complexities that may not be observable in larger samples, leading to a nuanced understanding of psychological phenomena.

Scientific rigor plays a crucial role in single-case studies, requiring meticulous observation, documentation, and interpretation to uphold the validity and reliability of findings.

Attention to ethical considerations is paramount in these studies, ensuring the well-being and autonomy of the participant while maintaining the integrity of the research process. Researchers must also navigate the limitations inherent in single-case studies, such as generalizability issues and the need for robust experimental controls to establish causal relationships.

Multiple-Case Studies

Multiple-case studies in psychology involve the comparison of several cases to identify commonalities, differences, and patterns, allowing for generalizations within specific contexts.

When conducting multiple-case studies, researchers typically aim to extend beyond individual case analyses to explore overarching themes and patterns that may apply to a larger population or phenomenon.

By utilizing comparative analysis, researchers can delve into the nuances of each case, observing the interplay of various factors and variables that contribute to specific outcomes.

Through this method, researchers can test existing theories, refine hypotheses, and develop new insights that contribute to the broader understanding of complex psychological phenomena.

Frequently Asked Questions

What are case studies in psychology.

Case studies in psychology involve in-depth analysis and examination of an individual, group, or event, usually to understand underlying psychological principles and phenomena.

Why are case studies important in psychology?

Case studies provide detailed and specific information about an individual or group, allowing researchers to gain a deep understanding of complex psychological processes and behaviors.

How do case studies help in understanding psychology?

Case studies help in understanding psychology by providing real-world examples of psychological theories and concepts, making them easier to comprehend and apply.

What are the benefits of using case studies in psychology?

Case studies offer a rich source of data, provide insights into rare or unusual cases, and allow for the exploration of complex and multifaceted phenomena in a real-world context.

Can case studies be used to generalize findings?

No, case studies are not meant to be used for generalization as they focus on a specific individual or group and do not represent the entire population. However, they can be used to generate hypotheses for future research.

What are the limitations of using case studies in psychology?

Some limitations of case studies include potential bias from the researcher, difficulty in replicating results, and lack of control over variables. Additionally, they may not be generalizable to the broader population.

Rachel Liu, a social psychologist, examines the influence of societal and cultural factors on individual behavior. Her research has spanned topics from group dynamics and social identity to the psychological impacts of social media. Rachel’s writing aims to illuminate the ways in which social environments shape our thoughts, feelings, and actions, offering insights into improving interpersonal relationships and fostering inclusive communities.

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Methodology

What Is a Case Study? | Definition, Examples & Methods

What Is a Case Study? | Definition, Examples & Methods

Published on May 8, 2019 by Shona McCombes . Revised on November 20, 2023.

A case study is a detailed study of a specific subject, such as a person, group, place, event, organization, or phenomenon. Case studies are commonly used in social, educational, clinical, and business research.

A case study research design usually involves qualitative methods , but quantitative methods are sometimes also used. Case studies are good for describing , comparing, evaluating and understanding different aspects of a research problem .

When to do a case study, step 1: select a case, step 2: build a theoretical framework, step 3: collect your data, step 4: describe and analyze the case, other interesting articles.

A case study is an appropriate research design when you want to gain concrete, contextual, in-depth knowledge about a specific real-world subject. It allows you to explore the key characteristics, meanings, and implications of the case.

Case studies are often a good choice in a thesis or dissertation . They keep your project focused and manageable when you don’t have the time or resources to do large-scale research.

You might use just one complex case study where you explore a single subject in depth, or conduct multiple case studies to compare and illuminate different aspects of your research problem.

Case study examples
Research question	Case study
What are the ecological effects of wolf reintroduction?	Case study of wolf reintroduction in Yellowstone National Park
How do populist politicians use narratives about history to gain support?	Case studies of Hungarian prime minister Viktor Orbán and US president Donald Trump
How can teachers implement active learning strategies in mixed-level classrooms?	Case study of a local school that promotes active learning
What are the main advantages and disadvantages of wind farms for rural communities?	Case studies of three rural wind farm development projects in different parts of the country
How are viral marketing strategies changing the relationship between companies and consumers?	Case study of the iPhone X marketing campaign
How do experiences of work in the gig economy differ by gender, race and age?	Case studies of Deliveroo and Uber drivers in London

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Once you have developed your problem statement and research questions , you should be ready to choose the specific case that you want to focus on. A good case study should have the potential to:

Provide new or unexpected insights into the subject
Challenge or complicate existing assumptions and theories
Propose practical courses of action to resolve a problem
Open up new directions for future research

TipIf your research is more practical in nature and aims to simultaneously investigate an issue as you solve it, consider conducting action research instead.

Unlike quantitative or experimental research , a strong case study does not require a random or representative sample. In fact, case studies often deliberately focus on unusual, neglected, or outlying cases which may shed new light on the research problem.

Example of an outlying case studyIn the 1960s the town of Roseto, Pennsylvania was discovered to have extremely low rates of heart disease compared to the US average. It became an important case study for understanding previously neglected causes of heart disease.

However, you can also choose a more common or representative case to exemplify a particular category, experience or phenomenon.

Example of a representative case studyIn the 1920s, two sociologists used Muncie, Indiana as a case study of a typical American city that supposedly exemplified the changing culture of the US at the time.

While case studies focus more on concrete details than general theories, they should usually have some connection with theory in the field. This way the case study is not just an isolated description, but is integrated into existing knowledge about the topic. It might aim to:

Exemplify a theory by showing how it explains the case under investigation
Expand on a theory by uncovering new concepts and ideas that need to be incorporated
Challenge a theory by exploring an outlier case that doesn’t fit with established assumptions

To ensure that your analysis of the case has a solid academic grounding, you should conduct a literature review of sources related to the topic and develop a theoretical framework . This means identifying key concepts and theories to guide your analysis and interpretation.

There are many different research methods you can use to collect data on your subject. Case studies tend to focus on qualitative data using methods such as interviews , observations , and analysis of primary and secondary sources (e.g., newspaper articles, photographs, official records). Sometimes a case study will also collect quantitative data.

Example of a mixed methods case studyFor a case study of a wind farm development in a rural area, you could collect quantitative data on employment rates and business revenue, collect qualitative data on local people’s perceptions and experiences, and analyze local and national media coverage of the development.

The aim is to gain as thorough an understanding as possible of the case and its context.

In writing up the case study, you need to bring together all the relevant aspects to give as complete a picture as possible of the subject.

How you report your findings depends on the type of research you are doing. Some case studies are structured like a standard scientific paper or thesis , with separate sections or chapters for the methods , results and discussion .

Others are written in a more narrative style, aiming to explore the case from various angles and analyze its meanings and implications (for example, by using textual analysis or discourse analysis ).

In all cases, though, make sure to give contextual details about the case, connect it back to the literature and theory, and discuss how it fits into wider patterns or debates.

If you want to know more about statistics , methodology , or research bias , make sure to check out some of our other articles with explanations and examples.

Normal distribution
Degrees of freedom
Null hypothesis
Discourse analysis
Control groups
Mixed methods research
Non-probability sampling
Quantitative research
Ecological validity

Research bias

Rosenthal effect
Implicit bias
Cognitive bias
Selection bias
Negativity bias
Status quo bias

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Topics for Psychology Case Studies

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In one of your psychology classes, you might be asked to write a case study of an individual. What exactly is a case study? A case study is an in-depth psychological investigation of a single person or a group of people.

Case studies are commonly used in medicine and psychology. For example, these studies often focus on people with an illness (for example, one that is rare) or people with experiences that cannot be replicated in a lab.

Here are some ideas and inspiration to help you come up with a fascinating psychological case study.

What Should Your Case Study Be About?

Your instructor will give you directions and guidelines for your case study project. Make sure you have their permission to go ahead with your subject before you get started.

The format of your case study may vary depending on the class requirements and your instructor's expectations. Most psychological case studies include a detailed background of the person, a description of the problem the person is facing, a diagnosis, and a description of an intervention using one or more therapeutic approaches.

The first step in writing a case study is to select a subject. You might be allowed to conduct a case study on a volunteer or someone you know in real life, such as a friend or family member.

However, your instructor may prefer that you select a less personal subject, such as an individual from history, a famous literary figure, or even a fictional character.

Psychology Case Study Ideas

Want to find an interesting subject for your case study? Here are just a few ideas that might inspire you.

A Pioneering Psychologist

Famous or exceptional people can make great case study topics. There are plenty of fascinating figures in the history of psychology who would be interesting subjects for a case study.

Here are some of the most well-known thinkers in psychology whose interesting lives could make a great case study:

Sigmund Freud
Harry Harlow
Mary Ainsworth
Erik Erikson
Ivan Pavlov
Jean Piaget
Abraham Maslow
William James
B. F. Skinner

Examining these individuals’ upbringings, experiences, and lives can provide insight into how they developed their theories and approached the study of psychology.

A Famous Patient in Psychology

The best-known people in psychology aren’t always professionals. The people that psychologists have worked with are among some of the most fascinating people in the history of psychology.

Here are a few examples of famous psychology patients who would make great case studies:

Anna O. (Bertha Pappenheim)
Phineas Gage
Genie (Susan Wiley)
Kitty Genovese
Little Albert
David Reimer
Chris Costner Sizemore (Eve White/Eve Black)
Dora (Ida Bauer)
Patient H.M. (Henry Molaison)

By taking a closer look at the lives of these psychology patients, you can gain greater insight into their experiences. You’ll also get to see how diagnosis and treatment were different in the past compared to today.

A Historical Figure

Historical figures—famous and infamous—can be excellent subjects for case studies. Here are just a few influential people from history that you might consider doing a case study on:

Eleanor Roosevelt
George Washington
Abraham Lincoln
Elizabeth I
Margaret Thatcher
Walt Disney
Benjamin Franklin
Charles Darwin
Howard Hughes
Catherine the Great
Pablo Picasso
Vincent van Gogh
Edvard Munch
Marilyn Monroe
Andy Warhol
Salvador Dali

You’ll need to do a lot of reading and research on your chosen subject's life to figure out why they became influential forces in history. When thinking about their psychology, you’ll also want to consider what life was like in the times that they lived.

A Fictional Character or a Literary Figure

Your instructor might allow you to take a more fun approach to a case study by doing a deep dive into the psychology of a fictional character.

Here are a few examples of fictional characters who could make great case studies:

Macbeth/Lady Macbeth
Romeo/Juliet
Sherlock Holmes
Norman Bates
Elizabeth Bennet/Fitzwilliam Darcy
Katniss Everdeen
Harry Potter/Hermione Granger/Ron Weasley/Severus Snape
Batman/The Joker
Atticus Finch
Mrs. Dalloway
Dexter Morgan
Hannibal Lecter/Clarice Starling
Fox Mulder/Dana Scully
Forrest Gump
Patrick Bateman
Anakin Skywalker/Darth Vader
Ellen Ripley
Michael Corleone
Randle McMurphy/Nurse Ratched
Miss Havisham

The people who bring characters to life on the page can also be fascinating. Here are some literary figures who could be interesting case studies:

Shakespeare
Virginia Woolf
Jane Austen
Stephen King
Emily Dickinson
Sylvia Plath
JRR Tolkien
Louisa May Alcott
Edgar Allan Poe
Charles Dickens
Ernest Hemingway
F. Scott Fitzgerald
George Orwell
Maya Angelou
Kurt Vonnegut
Agatha Christie
Toni Morrison
Daphne du Maurier
Franz Kafka
Herman Melville

Can I Write About Someone I Know?

Your instructor may allow you to write your case study on a person that you know. However, you might need to get special permission from your school's Institutional Review Board to do a psychological case study on a real person.

You might not be able to use the person’s real name, though. Even if it’s not required, you may want to use a pseudonym for them to make sure that their identity and privacy are protected.

To do a case study on a real person you know, you’ll need to interview them and possibly talk to other people who know them well, like friends and family.

If you choose to do a case study on a real person, make sure that you fully understand the ethics and best practices, especially informed consent. Work closely with your instructor throughout your project to ensure that you’re following all the rules and handling the project professionally.

APA. Guidelines for submitting case reports .

American Psychological Association. Ethical principles of psychologists and code of conduct, including 2010 and 2016 amendments .

Rolls, G. (2019). Classic Case Studies in Psychology: Fourth Edition . United Kingdom: Taylor & Francis.

By Kendra Cherry, MSEd Kendra Cherry, MS, is a psychosocial rehabilitation specialist, psychology educator, and author of the "Everything Psychology Book."

Essay Editor

Writing a Psychology Case Study: Mastering the Skill

Creating case studies is an exciting and challenging assignment, isn't it? You are to combine theoretical data and practical skills when writing this paper. Analytical thinking is also a great help in this field. The project is quite useful in psychological, medical, educational, and social spheres.

Why are case studies important in psychology? They give a wonderful chance

to understand personal behavior and manners,
to investigate symptoms and offer effective treatment,
to interpret group or individual identity.

Today we'll discuss the meaning of psychological case studies – the definition, types, and benefits – and offer a few useful tips on how to write these papers. So let's start the exploration.

Case Studies in Psychology: Making an Overview

Generally, a case study means an extensive analysis of a person, group, or episode. It may concern any aspect of the target's life. This method appears to be effective when it is impossible to carry out an experiment.

Well, what is a case study in psychology? A psychology case study implies a focused information gathering in terms of life reality – behavior, manners, habits, and whatnot. Mostly, it touches on the practical state of affairs, not theoretical matters. You may collect data by psychometric testing, observing, interviewing, and looking through archival materials. The process may resemble looking at the target object through a magnifier.

Due to psychology case studies nature, they play a crucial role in human mind investigation:

give a meticulous description of personal or collective behavior;
help to examine the specificity of every unique case;
provide practical evidence for theoretical hypotheses;
bring a complete understanding of the investigated phenomenon;
produce a wide range of practical applications.

Case Studies in Psychology: Types and Features

The case study method in psychology is a complicated issue. There are different types of studies, and each of them assists in a separate field.

Descriptive	They are held to formulate a detailed description of the particular case, especially for approving a hypothesis.
Exploratory	Usually they are a start for further, more comprehensive investigation.
Explanatory	They are used to define the reasons for a researched matter.
Instrumental	The target of the observation serves as a tool for illustrating any psychological theory.
Intrinsic	Giving data about specific aspects of a particular phenomenon, they imply investigating in personal interests.

Besides, they may be:

individual or collective (according to the number of target persons);
cross-sectional or longitudinal (marking a situation in a distinct time point or a long period correspondingly).

Benefits of Case Studies in Psychology

Psychological Case Studies have a few advantages if comparing this method with other investigation issues in this sphere:

It provides a bright picture of the phenomenon, showing its nuances and specificity.
It is quite easy to be carried out, especially in practical and ethical terms.
It gives a true-to-life, rather objective context.
It is a good educational tool.
It presents a possibility of flexible investigating, adaptable to current circumstances.

8 Hints on How to Write a Case Study in Psychology

If you come across creating a psychological case study, be attentive, observant, and patient. It is perfect if you have both analytical and storytelling skills. They occur rather helpful when writing this kind of paper. To simplify the situation we offer a few recommendations concerning the composing process.

Make up a subject profile. It should be specified enough, containing the target's name, age, status, and other necessary personal information.
single-subject or collective,
cross-sectional or longitudinal,
exploratory, explanatory, illustrative, instrumental, or others.
personal history,
various psychological factors (traits of character, emotional manifestations, and other similar matters),
social aspects (environmental impacts on the person)
events, having influenced the target greatly, etc.
Make a meticulous description of the target issue that is the focus of the investigation. As a rule, it is to comprise symptoms, problems, and behavior specificity. It is also advisable to record the exact time and duration of issue expressions if there are any.
Analyze all the gathered data.
Produce the diagnosis and offer a treatment strategy (therapy, medicines, changes in lifestyle, etc).
Comment on the process of treatment and its aims.
Make up a discussion section, interpreting all the results of the study and offering an area for further work.

Having explored the case study definition in psychology in detail, you are certain to realize what data to gather and how to perform a successful result without trouble. Moreover, at any moment you may turn to Aithor – an AI-powered generator – to get an example of a topical study case project.

7 General Tips for Writing a Psychology Case Study

There are a few additional tips on how to produce a fine case study in psychology.

Be sure that you may communicate with the target and operate with necessary information freely.
Prepare an elaborate study case outline.
Record every matter you get in the course of the investigation.
Respect the ethical norms.
Discuss the case with colleagues and professionals.
Analyze everything thoroughly.
Be precise, patient, and persistent.

To cap it all, case studies definition in psychology underlines the practical importance of carrying out such investigations. Learning the episode in detail helps in producing the adequate diagnoses and treatments. So, try to carry out the exploration in the most consistent and clear way possible. We hope that the presented recommendations will assist you in creating fine projects. Good luck!

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How to Write a Psychology Case Study: Expert Tips

Have you ever heard of Phineas Gage, a man whose life story became a legendary case study in the annals of psychology? In the mid-19th century, Gage, a railroad construction foreman, survived a near-fatal accident when an iron rod pierced through his skull, severely damaging his brain. What makes this tale truly remarkable is that, despite his physical recovery, Gage's personality underwent a dramatic transformation. He went from being a mild-mannered and responsible individual to becoming impulsive and unpredictable. This remarkable case marked the dawn of psychology's fascination with understanding the intricate workings of the human mind. Case studies, like the one of Phineas Gage, have been a cornerstone of our understanding of human behavior ever since.

Short Description

In this article, we'll unravel the secrets of case study psychology as the powerful tool of this field. We will explore its essence and why these investigations are so crucial in understanding human behavior. Discover the various types of case studies, gain insights from real-world examples, and uncover the essential steps and expert tips on how to craft your very own compelling study. Get ready to embark on a comprehensive exploration of this invaluable research method.

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Our team of skilled psychologists and wordsmiths is here to craft a masterpiece from your ideas.

What Is a Case Study in Psychology

A case study psychology definition can be compared to a magnifying glass turned toward a single individual, group, or phenomenon. According to our paper writer , it's a focused investigation that delves deep into the unique complexities of a particular subject. Rather than sifting through mountains of data, a case study allows us to zoom in and scrutinize the details, uncovering the 'whys' and 'hows' that often remain hidden in broader research.

A psychology case study is not about generalizations or sweeping theories; it's about the intricacies of real-life situations. It's the detective work of the field, aiming to unveil the 'story behind the data' and offering profound insights into human behavior, emotions, and experiences. So, while psychology as a whole may study the forest, a case study takes you on a journey through the trees, revealing the unique patterns, quirks, and secrets that make each one distinct.

The Significance of Psychology Case Studies

Writing a psychology case study plays a pivotal role in the world of research and understanding the human mind. Here's why they are so crucial, according to our ' do my essay ' experts:

In-Depth Exploration: Case studies provide an opportunity to explore complex human behaviors and experiences in great detail. By diving deep into a specific case, researchers can uncover nuances that might be overlooked in broader studies.
Unique Perspectives: Every individual and situation is unique, and case studies allow us to capture this diversity. They offer a chance to highlight the idiosyncrasies that make people who they are and situations what they are.
Theory Testing: Case studies are a way to test and refine psychological theories in real-world scenarios. They provide practical insights that can validate or challenge existing hypotheses.
Practical Applications: The knowledge gained from case studies can be applied to various fields, from clinical psychology to education and business. It helps professionals make informed decisions and develop effective interventions.
Holistic Understanding: Case studies often involve a comprehensive examination of an individual's life or a particular phenomenon. This holistic approach contributes to a more profound comprehension of human behavior and the factors that influence it.

Varieties of a Psychology Case Study

When considering how to write a psychology case study, you should remember that it is a diverse field, and so are the case studies conducted within it. Let's explore the different types from our ' write my research paper ' experts:

Descriptive Case Studies: These focus on providing a detailed description of a particular case or phenomenon. They serve as a foundation for further research and can be valuable in generating hypotheses.
Exploratory Case Studies: Exploratory studies aim to investigate novel or scarcely explored areas within psychology. They often pave the way for more in-depth research by generating new questions and ideas.
Explanatory Case Studies: These delve into the 'why' and 'how' of a particular case, seeking to explain the underlying factors or mechanisms that drive a particular behavior or event.
Instrumental Case Studies: In these cases, the individual or situation under examination is instrumental in testing or illustrating a particular theory or concept in psychology.
Intrinsic Case Studies: Contrary to instrumental case studies, intrinsic ones explore a case for its own unique significance, aiming to understand the specific details and intricacies of that case without primarily serving as a tool to test broader theories.
Collective Case Studies: These studies involve the examination of multiple cases to identify common patterns or differences. They are helpful when researchers seek to generalize findings across a group.
Longitudinal Case Studies: Longitudinal studies track a case over an extended period, allowing researchers to observe changes and developments over time.
Cross-Sectional Case Studies: In contrast, cross-sectional case studies involve the examination of a case at a single point in time, offering a snapshot of that particular moment.

The Advantages of Psychology Case Studies

Learning how to write a case study offers numerous benefits, making it a valuable research method in the field. Here are some of the advantages:

Rich Insights: Case studies provide in-depth insights into individual behavior and experiences, allowing researchers to uncover unique patterns, motivations, and complexities.
Holistic Understanding: By examining a case in its entirety, researchers can gain a comprehensive understanding of the factors that influence human behavior, including psychological, environmental, and contextual aspects.
Theory Development: Case studies contribute to theory development by providing real-world examples that can validate or refine existing psychological theories.
Personalized Approach: Researchers can tailor their methods to fit the specific case, making it a flexible approach that can adapt to the unique characteristics of the subject.
Application in Practice: The knowledge gained from case studies can be applied in various practical settings, such as clinical psychology, education, and organizational management, to develop more effective interventions and solutions.
Real-World Relevance: Psychology case studies often address real-life issues, making the findings relevant and applicable to everyday situations.
Qualitative Data: They generate qualitative data, which can be rich in detail and context, offering a deeper understanding of the subject matter.
Hypothesis Generation: Case studies can spark new research questions and hypotheses, guiding further investigations in psychology.
Ethical Considerations: In some cases, case studies can be conducted in situations where experimental research may not be ethical, providing valuable insights that would otherwise be inaccessible.
Educational Value: Case studies are commonly used as teaching tools, helping students apply theoretical knowledge to practical scenarios and encouraging critical thinking.

How to Write a Psychology Case Study

Crafting a psychology case study requires a meticulous approach that combines the art of storytelling with the precision of scientific analysis. In this section, we'll provide you with a step-by-step guide on how to create an engaging and informative psychology case study, from selecting the right subject to presenting your findings effectively.

Step 1: Gathering Information for Subject Profiling

To create a comprehensive psychology case study, the first crucial step is gathering all the necessary information to build a detailed profile of your subject. This profile forms the backbone of your study, offering a deeper understanding of the individual or situation you're examining.

According to our case study writing service , you should begin by collecting a range of data, including personal history, demographics, behavioral observations, and any relevant documentation. Interviews, surveys, and direct observations are common methods to gather this information. Ensure that the data you collect is relevant to the specific aspects of the subject's life or behavior that you intend to investigate.

By meticulously gathering and organizing this data, you'll lay the foundation for a robust case study that not only informs your readers but also provides the context needed to make meaningful observations and draw insightful conclusions.

Step 2: Selecting a Case Study Method

Once you have gathered all the essential information about your subject, the next step in crafting a psychology case study is to choose the most appropriate case study method. The method you select will determine how you approach the analysis and presentation of your findings. Here are some common case study methods to consider:

Single-Subject Case Study: This method focuses on a single individual or a particular event, offering a detailed examination of that subject's experiences and behaviors.
Comparative Case Study: In this approach, you analyze two or more cases to draw comparisons or contrasts, revealing patterns or differences among them.
Longitudinal Case Study: A longitudinal study involves tracking a subject or group over an extended period, observing changes and developments over time.
Cross-Sectional Case Study: This method involves analyzing subjects at a specific point in time, offering a snapshot of their current state.
Exploratory Case Study: Exploratory studies are ideal for investigating new or underexplored areas within psychology.
Explanatory Case Study: If your goal is to uncover the underlying factors and mechanisms behind a specific behavior or phenomenon, the explanatory case study is a suitable choice.

Step 3: Gathering Background Information on the Subject

In the process of learning how to write a psychology case study, it's essential to delve into the subject's background to build a complete and meaningful narrative. The background information serves as a crucial context for understanding the individual or situation under investigation.

To gather this information effectively:

Personal History: Explore the subject's life history, including their upbringing, family background, education, and career path. These details provide insights into their development and experiences.
Demographics: Collect demographic data, such as age, gender, and cultural background, as part of your data collection process. These factors can be influential in understanding behavior and experiences.
Relevant Events: Identify any significant life events, experiences, or transitions that might have had an impact on the subject's psychology and behavior.
Psychological Factors: Assess the subject's psychological profile, including personality traits, cognitive abilities, and emotional well-being, if applicable.
Social and Environmental Factors: Consider the subject's social and environmental context, including relationships, living conditions, and cultural influences.

Step 4: Detailing the Subject's Challenges

While writing a psychology case study, it is crucial to provide a thorough description of the subject's symptoms or the challenges they are facing. This step allows you to dive deeper into the specific issues that are the focus of your study, providing clarity and context for your readers.

To effectively describe the subject's symptoms or challenges, consider the following from our psychology essay writing service :

Symptomatology: Enumerate the symptoms, behaviors, or conditions that the subject is experiencing. This could include emotional states, cognitive patterns, or any psychological distress.
Onset and Duration: Specify when the symptoms or challenges began and how long they have persisted. This timeline can offer insights into the progression of the issue.
Impact: Discuss the impact of these symptoms on the subject's daily life, relationships, and overall well-being. Consider their functional impairment and how it relates to the observed issues.
Relevant Diagnoses: If applicable, mention any psychological or psychiatric diagnoses that have been made in relation to the subject's symptoms. This information can shed light on the clinical context of the case.

Step 5: Analyzing Data and Establishing a Diagnosis

Once you have gathered all the necessary information and described the subject's symptoms or challenges, the next critical step is to analyze the data and, if applicable, establish a diagnosis.

To effectively analyze the data and potentially make a diagnosis:

Data Synthesis: Organize and synthesize the collected data, bringing together all the relevant information in a coherent and structured manner.
Pattern Recognition: Identify patterns, themes, and connections within the data. Look for recurring behaviors, triggers, or factors that might contribute to the observed symptoms or challenges.
Comparison with Diagnostic Criteria: If the study involves diagnosing a psychological condition, compare the subject's symptoms and experiences with established diagnostic criteria, such as those found in the Diagnostic and Statistical Manual of Mental Disorders (DSM-5).
Professional Consultation: It is advisable to consult with qualified professionals, such as clinical psychologists or psychiatrists, to ensure that the diagnosis, if applicable, is accurate and well-informed.
Thorough Assessment: Ensure a comprehensive evaluation of the data, considering all possible factors and nuances before reaching any conclusions.

Step 6: Choosing an Intervention Strategy

Choosing an appropriate intervention approach is a pivotal phase in case study psychology, especially if your subject's case involves therapeutic considerations. Here's how to navigate this step effectively:

Review Findings: Revisit the data and analysis you've conducted to gain a comprehensive understanding of the subject's symptoms, challenges, and needs.
Consultation: If you're not a qualified mental health professional, it's advisable to consult with experts in the field, such as clinical psychologists or psychiatrists. They can offer valuable insights and recommendations for treatment.
Tailored Approach: Select a treatment approach that is tailored to the subject's specific needs and diagnosis, if applicable. This could involve psychotherapy, medication, lifestyle changes, or a combination of interventions.
Goal Setting: Clearly define the goals and objectives of the chosen treatment approach. What do you hope to achieve, and how will progress be measured?
Informed Consent: If the subject is involved in the decision-making process, ensure they provide informed consent and are fully aware of the chosen treatment's details, potential benefits, and risks.
Implementation and Monitoring: Once the treatment plan is established, put it into action and closely monitor the subject's progress. Make necessary adjustments based on their responses and evolving needs.
Ethical Considerations: Be mindful of ethical standards and maintain the subject's confidentiality and well-being throughout the treatment process.

Step 7: Explaining Treatment Objectives and Procedures

In the final phases of your psychology case study, it's essential to provide a clear and detailed description of the treatment goals and processes that have been implemented. This step ensures that your readers understand the therapeutic journey and its intended outcomes.

Here's how to effectively describe treatment goals and processes:

Specific Goals: Outline the specific goals of the chosen treatment approach. What are you aiming to achieve in terms of the subject's well-being, symptom reduction, or overall improvement?
Interventions: Describe the therapeutic interventions that have been employed, including psychotherapeutic techniques, medications, or other strategies. Explain how these interventions are intended to address the subject's challenges.
Timelines: Specify the expected timeline for achieving treatment goals. This may include short-term and long-term objectives, as well as milestones for assessing progress.
Monitoring and Evaluation: Discuss the methods used to monitor and evaluate the subject's response to treatment. How are you measuring progress or setbacks, and how frequently are assessments conducted?
Adjustments: Explain how the treatment plan is adaptable as you would in a persuasive essay . If modifications to the goals or interventions are required, clarify the decision-making process for making such adjustments.
Collaboration: If relevant, highlight any collaboration with other professionals involved in the subject's care, emphasizing a multidisciplinary approach for comprehensive treatment.
Patient Involvement: If the subject is actively engaged in their treatment, detail their role, responsibilities, and any tools or resources provided to support their participation.

Step 8: Crafting the Discussion and Concluding Remarks

In the final phase of your psychology case study, the discussion section is where you interpret the findings, reflect on the significance of your study, and offer insights into the broader implications of the case. Here's how to effectively write this section:

Interpretation: Begin by interpreting the data and analysis you've presented in your case study. What do the findings reveal about the subject's psychology, behavior, or experiences?
Relevance to Research Questions: Discuss how your findings align with or deviate from the initial research questions or hypotheses you set out to investigate.
Comparison with Literature: Compare your findings with existing literature and research in the field of psychology. Highlight any consistencies or disparities and explain their significance.
Clinical Considerations: If your case study has clinical or practical relevance, address the implications for therapeutic approaches, interventions, or clinical practices.
Generalizability: Evaluate the extent to which the insights from your case study can be generalized to a broader population or other similar cases.
Strengths and Limitations: Be candid about the strengths and limitations of your case study. Acknowledge any constraints or biases and explain how they might have influenced the results.
Future Research Directions: Suggest areas for future research or additional case studies that could build on your findings and deepen our understanding of the subject matter.
Conclusion: Summarize the key takeaways from your case study and provide a concise conclusion that encapsulates the main findings and their significance.

5 Helpful Tips for Crafting a Psychology Case Study

Much like learning how to write a synthesis essay , writing a compelling case study involves careful planning and attention to detail. Here are some essential guidelines to help you in the process:

Consider Cultural Sensitivity: Recognize the importance of cultural diversity and sensitivity in your case study. Take into account the cultural background of your subject and its potential impact on their behavior and experiences.
Use Clear Citations: Properly cite all sources, including previous research, theories, and relevant literature. Accurate citations lend credibility to your case study and acknowledge the work of others.
Engage in Peer Discussion: Engage in discussions with peers or colleagues in the field throughout the case study process. Collaborative brainstorming and sharing insights can lead to a more well-rounded study.
Be Mindful of Ethics: Continuously monitor and reassess the ethical considerations of your case study, especially when it involves sensitive topics or individuals. Prioritize the well-being and rights of your participants.
Practice Patience and Persistence: Case studies can be time-consuming and may encounter setbacks. Exercise patience and persistence to ensure the quality and comprehensiveness of your research.

Case Study Psychology Example

In this psychology case study example, we delve into a compelling story that serves as a window into the fascinating realm of psychological research, offering valuable insights and practical applications.

Final Outlook

As we conclude this comprehensive writing guide on how to write a psychology case study, remember that every case holds a unique story waiting to be unraveled. The art of crafting a compelling case study lies in your hands, offering a window into the intricate world of the human mind. We encourage you to embark on your own investigative journeys, armed with the knowledge and skills acquired here, to contribute to the ever-evolving landscape of psychology.

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is an expert in nursing and healthcare, with a strong background in history, law, and literature. Holding advanced degrees in nursing and public health, his analytical approach and comprehensive knowledge help students navigate complex topics. On EssayPro blog, Adam provides insightful articles on everything from historical analysis to the intricacies of healthcare policies. In his downtime, he enjoys historical documentaries and volunteering at local clinics.

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Psychology’s 10 greatest case studies – digested

These ten characters have all had a huge influence on psychology and their stories continue to intrigue each new generation of students. What’s particularly fascinating is that many of their stories continue to evolve – new evidence comes to light, or new technologies are brought to bear, changing how the cases are interpreted and understood. What many of these 10 also have in common is that they speak to some of the perennial debates in psychology, about personality and identity, nature and nurture, and the links between mind and body.

Phineas Gage

Remarkably Gage survived, although his friends and family reportedly felt he was changed so profoundly (becoming listless and aggressive) that “he was no longer Gage.” There the story used to rest – a classic example of frontal brain damage affecting personality. However, recent years have seen a drastic reevaluation of Gage’s story in light of new evidence. It’s now believed that he underwent significant rehabilitation and in fact began work as a horse carriage driver in Chile. A simulation of his injuries suggested much of his right frontal cortex was likely spared, and photographic evidence has been unearthed showing a post-accident dapper Gage. Not that you’ll find this revised account in many psychology textbooks: a recent analysis showed that few of them have kept up to date with the new evidence.

Henry Gustav Molaison (known for years as H.M. in the literature to protect his privacy), who died in 2008, developed severe amnesia at age 27 after undergoing brain surgery as a form of treatment for the epilepsy he’d suffered since childhood. He was subsequently the focus of study by over 100 psychologists and neuroscientists and he’s been mentioned in over 12,000 journal articles! Molaison’s surgery involved the removal of large parts of the hippocampus on both sides of his brain and the result was that he was almost entirely unable to store any new information in long-term memory (there were some exceptions – for example, after 1963 he was aware that a US president had been assassinated in Dallas). The extremity of Molaison’s deficits was a surprise to experts of the day because many of them believed that memory was distributed throughout the cerebral cortex. Today, Molaison’s legacy lives on: his brain was carefully sliced and preserved and turned into a 3D digital atlas and his life story is reportedly due to be turned into a feature film based on the book researcher Suzanne Corkin wrote about him: Permanent Present Tense, The Man With No Memory and What He Taught The World .

Victor Leborgne (nickname “Tan”)

The fact that, in most people, language function is served predominantly by the left frontal cortex has today almost become common knowledge, at least among psych students. However, back in the early nineteenth century, the consensus view was that language function (like memory, see entry for H.M.) was distributed through the brain. An eighteenth century patient who helped change that was Victor Leborgne, a Frenchman who was nicknamed “Tan” because that was the only sound he could utter (besides the expletive phrase “sacre nom de Dieu”). In 1861, aged 51, Leborgne was referred to the renowned neurologist Paul Broca, but died soon after. Broca examined Leborgne’s brain and noticed a lesion in his left frontal lobe – a segment of tissue now known as Broca’s area. Given Leborgne’s impaired speech but intact comprehension, Broca concluded that this area of the brain was responsible for speech production and he set about persuading his peers of this fact – now recognised as a key moment in psychology’s history. For decades little was known about Leborgne, besides his important contribution to science. However, in a paper published in 2013, Cezary Domanski at Maria Curie-Sklodowska University in Poland uncovered new biographical details, including the possibility that Leborgne muttered the word “Tan” because his birthplace of Moret, home to several tanneries.

Wild Boy of Aveyron

The “Wild boy of Aveyron” – named Victor by the physician Jean-Marc Itard – was found emerging from Aveyron forest in South West France in 1800, aged 11 or 12, where’s it’s thought he had been living in the wild for several years. For psychologists and philosophers, Victor became a kind of “natural experiment” into the question of nature and nurture. How would he be affected by the lack of human input early in his life? Those who hoped Victor would support the notion of the “noble savage” uncorrupted by modern civilisation were largely disappointed: the boy was dirty and dishevelled, defecated where he stood and apparently motivated largely by hunger. Victor acquired celebrity status after he was transported to Paris and Itard began a mission to teach and socialise the “feral child”. This programme met with mixed success: Victor never learned to speak fluently, but he dressed, learned civil toilet habits, could write a few letters and acquired some very basic language comprehension. Autism expert Uta Frith believes Victor may have been abandoned because he was autistic, but she acknowledges we will never know the truth of his background. Victor’s story inspired the 2004 novel The Wild Boy and was dramatised in the 1970 French film The Wild Child .

Nicknamed ‘Kim-puter’ by his friends, Peek who died in 2010 aged 58, was the inspiration for Dustin Hoffman’s autistic savant character in the multi-Oscar-winning film Rain Man . Before that movie, which was released in 1988, few people had heard of autism, so Peek via the film can be credited with helping to raise the profile of the condition. Arguably though, the film also helped spread the popular misconception that giftedness is a hallmark of autism (in one notable scene, Hoffman’s character deduces in an instant the precise number of cocktail sticks – 246 – that a waitress drops on the floor). Peek himself was actually a non-autistic savant, born with brain abnormalities including a malformed cerebellum and an absent corpus callosum (the massive bundle of tissue that usually connects the two hemispheres). His savant skills were astonishing and included calendar calculation, as well as an encyclopaedic knowledge of history, literature, classical music, US zip codes and travel routes. It was estimated that he read more than 12,000 books in his life time, all of them committed to flawless memory. Although outgoing and sociable, Peek had coordination problems and struggled with abstract or conceptual thinking.

“Anna O.” is the pseudonym for Bertha Pappenheim, a pioneering German Jewish feminist and social worker who died in 1936 aged 77. As Anna O. she is known as one of the first ever patients to undergo psychoanalysis and her case inspired much of Freud’s thinking on mental illness. Pappenheim first came to the attention of another psychoanalyst, Joseph Breuer, in 1880 when he was called to her house in Vienna where she was lying in bed, almost entirely paralysed. Her other symptoms include hallucinations, personality changes and rambling speech, but doctors could find no physical cause. For 18 months, Breuer visited her almost daily and talked to her about her thoughts and feelings, including her grief for her father, and the more she talked, the more her symptoms seemed to fade – this was apparently one of the first ever instances of psychoanalysis or “the talking cure”, although the degree of Breuer’s success has been disputed and some historians allege that Pappenheim did have an organic illness, such as epilepsy. Although Freud never met Pappenheim, he wrote about her case, including the notion that she had a hysterical pregnancy, although this too is disputed. The latter part of Pappenheim’s life in Germany post 1888 is as remarkable as her time as Anna O. She became a prolific writer and social pioneer, including authoring stories, plays, and translating seminal texts, and she founded social clubs for Jewish women, worked in orphanages and founded the German Federation of Jewish Women.

Kitty Genovese

Sadly, it is not really Kitty Genovese the person who has become one of psychology’s classic case studies, but rather the terrible fate that befell her. In 1964 in New York, Genovese was returning home from her job as a bar maid when she was attacked and eventually murdered by Winston Mosely. What made this tragedy so influential to psychology was that it inspired research into what became known as the Bystander Phenomenon – the now well-established finding that our sense of individual responsibility is diluted by the presence of other people. According to folklore, 38 people watched Genovese’s demise yet not one of them did anything to help, apparently a terrible real life instance of the Bystander Effect. However, the story doesn’t end there because historians have since established the reality was much more complicated – at least two people did try to summon help, and actually there was only one witness the second and fatal attack. While the main principle of the Bystander Effect has stood the test of time, modern psychology’s understanding of the way it works has become a lot more nuanced. For example, there’s evidence that in some situations people are more likely to act when they’re part of a larger group, such as when they and the other group members all belong to the same social category (such as all being women) as the victim.

Little Albert

“Little Albert” was the nickname that the pioneering behaviourist psychologist John Watson gave to an 11-month-old baby, in whom, with his colleague and future wife Rosalind Rayner, he deliberately attempted to instill certain fears through a process of conditioning. The research, which was of dubious scientific quality, was conducted in 1920 and has become notorious for being so unethical (such a procedure would never be given approval in modern university settings). Interest in Little Albert has reignited in recent years as an academic quarrel has erupted over his true identity. A group led by Hall Beck at Appalachian University announced in 2011 that they thought Little Albert was actually Douglas Merritte, the son of a wet nurse at John Hopkins University where Watson and Rayner were based. According to this sad account, Little Albert was neurologically impaired, compounding the unethical nature of the Watson/Rayner research, and he died aged six of hydrocephalus (fluid on the brain). However, this account was challenged by a different group of scholars led by Russell Powell at MacEwan University in 2014. They established that Little Albert was more likely William A Barger (recorded in his medical file as Albert Barger), the son of a different wet nurse. Earlier this year, textbook writer Richard Griggs weighed up all the evidence and concluded that the Barger story is the more credible, which would mean that Little Albert in fact died 2007 aged 87.

Chris Sizemore

Chris Costner Sizemore is one of the most famous patients to be given the controversial diagnosis of multiple personality disorder, known today as dissociative identity disorder. Sizemore’s alter egos apparently included Eve White, Eve Black, Jane and many others. By some accounts, Sizemore expressed these personalities as a coping mechanism in the face of traumas she experienced in childhood, including seeing her mother badly injured and a man sawn in half at a lumber mill. In recent years, Sizemore has described how her alter egos have been combined into one united personality for many decades, but she still sees different aspects of her past as belonging to her different personalities. For example, she has stated that her husband was married to Eve White (not her), and that Eve White is the mother of her first daughter. Her story was turned into a movie in 1957 called The Three Faces of Eve (based on a book of the same name written by her psychiatrists). Joanne Woodward won the best actress Oscar for portraying Sizemore and her various personalities in this film. Sizemore published her autobiography in 1977 called I’m Eve . In 2009, she appeared on the BBC’s Hard Talk interview show.

David Reimer

Money initially described the experiment (no one had tried anything like this before) as a huge success that appeared to support his belief in the important role of socialisation, rather than innate factors, in children’s gender identity. In fact, the reassignment was seriously problematic and Reimer’s boyishness was never far beneath the surface. When he was aged 14, Reimer was told the truth about his past and set about reversing the gender reassignment process to become male again. He later campaigned against other children with genital injuries being gender reassigned in the way that he had been. His story was turned into the book As Nature Made Him, The Boy Who Was Raised As A Girl by John Colapinto, and he is the subject of two BBC Horizon documentaries. Tragically, Reimer took his own life in 2004, aged just 38.

Christian Jarrett ( @Psych_Writer ) is Editor of BPS Research Digest

This article was originally published on BPS Research Digest . Read the original article .

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Henry Gustav Molaison: The Curious Case of Patient H.M.

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Clinical Safety Strategist at Bristol Myers Squibb

Psychology Graduate, Princeton University

Erin Heaning, a holder of a BA (Hons) in Psychology from Princeton University, has experienced as a research assistant at the Princeton Baby Lab.

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Henry Gustav Molaison, known as Patient H.M., is a landmark case study in psychology. After a surgery to alleviate severe epilepsy, which removed large portions of his hippocampus , he was left with anterograde amnesia , unable to form new explicit memories , thus offering crucial insights into the role of the hippocampus in memory formation.

Henry Gustav Molaison (often referred to as H.M.) is a famous case of anterograde and retrograde amnesia in psychology.
H. M. underwent brain surgery to remove his hippocampus and amygdala to control his seizures. As a result of his surgery, H.M.’s seizures decreased, but he could no longer form new memories or remember the prior 11 years of his life.
He lost his ability to form many types of new memories (anterograde amnesia), such as new facts or faces, and the surgery also caused retrograde amnesia as he was able to recall childhood events but lost the ability to recall experiences a few years before his surgery.
The case of H.M. and his life-long participation in studies gave researchers valuable insight into how memory functions and is organized in the brain. He is considered one of the most studied medical and psychological history cases.

3d rendered medically accurate illustration of the hippocampus

Who is H.M.?

Henry Gustav Molaison, or “H.M” as he is commonly referred to by psychology and neuroscience textbooks, lost his memory on an operating table in 1953.

For years before his neurosurgery, H.M. suffered from epileptic seizures believed to be caused by a bicycle accident that occurred in his childhood. The seizures started out as minor at age ten, but they developed in severity when H.M. was a teenager.

Continuing to worsen in severity throughout his young adulthood, H.M. was eventually too disabled to work. Throughout this period, treatments continued to turn out unsuccessful, and epilepsy proved a major handicap and strain on H.M.’s quality of life.

And so, at age 27, H.M. agreed to undergo a radical surgery that would involve removing a part of his brain called the hippocampus — the region believed to be the source of his epileptic seizures (Squire, 2009).

For epilepsy patients, brain resection surgery refers to removing small portions of brain tissue responsible for causing seizures. Although resection is still a surgical procedure used today to treat epilepsy, the use of lasers and detailed brain scans help ensure valuable brain regions are not impacted.

In 1953, H.M.’s neurosurgeon did not have these tools, nor was he or the rest of the scientific or medical community fully aware of the true function of the hippocampus and its specific role in memory. In one regard, the surgery was successful, as H.M. did, in fact, experience fewer seizures.

However, family and doctors soon noticed he also suffered from severe amnesia, which persisted well past when he should have recovered. In addition to struggling to remember the years leading up to his surgery, H.M. also had gaps in his memory of the 11 years prior.

Furthermore, he lacked the ability to form new memories — causing him to perpetually live an existence of moment-to-moment forgetfulness for decades to come.

In one famous quote, he famously and somberly described his state as “like waking from a dream…. every day is alone in itself” (Squire et al., 2009).

H.M. soon became a major case study of interest for psychologists and neuroscientists who studied his memory deficits and cognitive abilities to better understand the hippocampus and its function.

When H.M. died on December 2, 2008, at the age of 82, he left behind a lifelong legacy of scientific contribution.

Surgical Procedure

Neurosurgeon William Beecher Scoville performed H.M.’s surgery in Hartford, Connecticut, in August 1953 when H.M. was 27 years old.

During the procedure, Scoville removed parts of H.M.’s temporal lobe which refers to the portion of the brain that sits behind both ears and is associated with auditory and memory processing.

More specifically, the surgery involved what was called a “partial medial temporal lobe resection” (Scoville & Milner, 1957). In this resection, Scoville removed 8 cm of brain tissue from the hippocampus — a seahorse-shaped structure located deep in the temporal lobe .

Bilateral resection of the anterior temporal lobe in patient HM.

Further research conducted after this removal showed Scoville also probably destroyed the brain structures known as the “uncus” (theorized to play a role in the sense of smell and forming new memories) and the “amygdala” (theorized to play a crucial role in controlling our emotional responses such as fear and sadness).

As previously mentioned, the removal surgery partially reduced H.M.’s seizures; however, he also lost the ability to form new memories.

At the time, Scoville’s experimental procedure had previously only been performed on patients with psychosis, so H.M. was the first epileptic patient and showed no sign of mental illness. In the original case study of H.M., which is discussed in further detail below, nine of Scoville’s patients from this experimental surgery were described.

However, because these patients had disorders such as schizophrenia, their symptoms were not removed after surgery.

In this regard, H.M. was the only patient with “clean” amnesia along with no other apparent mental problems.

H.M’s Amnesia

H.M.’s apparent amnesia after waking from surgery presented in multiple forms. For starters, H.M. suffered from retrograde amnesia for the 11-year period prior to his surgery.

Retrograde describes amnesia, where you can’t recall memories that were formed before the event that caused the amnesia. Important to note, current research theorizes that H.M.’s retrograde amnesia was not actually caused by the loss of his hippocampus, but rather from a combination of antiepileptic drugs and frequent seizures prior to his surgery (Shrader 2012).

In contrast, H.M.’s inability to form new memories after his operation, known as anterograde amnesia, was the result of the loss of the hippocampus.

This meant that H.M. could not learn new words, facts, or faces after his surgery, and he would even forget who he was talking to the moment he walked away.

However, H.M. could perform tasks, and he could even perform those tasks easier after practice. This important finding represented a major scientific discovery when it comes to memory and the hippocampus. The memory that H.M. was missing in his life included the recall of facts, life events, and other experiences.

This type of long-term memory is referred to as “explicit” or “ declarative ” memories and they require conscious thinking.

In contrast, H.M.’s ability to improve in tasks after practice (even if he didn’t recall that practice) showed his “implicit” or “ procedural ” memory remained intact (Scoville & Milner, 1957). This type of long-term memory is unconscious, and examples include riding a bike, brushing your teeth, or typing on a keyboard.

Most importantly, after removing his hippocampus, H.M. lost his explicit memory but not his implicit memory — establishing that implicit memory must be controlled by some other area of the brain and not the hippocampus.

After the severity of the side effects of H.M.’s operation became clear, H.M. was referred to neurosurgeon Dr. Wilder Penfield and neuropsychologist Dr. Brenda Milner of Montreal Neurological Institute (MNI) for further testing.

As discussed, H.M. was not the only patient who underwent this experimental surgery, but he was the only non-psychotic patient with such a degree of memory impairment. As a result, he became a major study and interest for Milner and the rest of the scientific community.

Since Penfield and Milner had already been conducting memory experiments on other patients at the time, they quickly realized H.M.’s “dense amnesia, intact intelligence, and precise neurosurgical lesions made him a perfect experimental subject” (Shrader 2012).

Milner continued to conduct cognitive testing on H.M. for the next fifty years, primarily at the Massachusetts Institute of Technology (MIT). Her longitudinal case study of H.M.’s amnesia quickly became a sensation and is still one of the most widely-cited psychology studies.

In publishing her work, she protected Henry’s identity by first referring to him as the patient H.M. (Shrader 2012).

In the famous “star tracing task,” Milner tested if H.M.’s procedural memory was affected by the removal of the hippocampus during surgery.

In this task, H.M. had to trace an outline of a star, but he could only trace the star based on the mirrored reflection. H.M. then repeated this task once a day over a period of multiple days.

Over the course of these multiple days, Milner observed that H.M. performed the test faster and with fewer errors after continued practice. Although each time he performed the task, he had no memory of having participated in the task before, his performance improved immensely (Shrader 2012).

As this task showed, H.M. had lost his declarative/explicit memory, but his unconscious procedural/implicit memory remained intact.

Given the damage to his hippocampus in surgery, researchers concluded from tasks such as these that the hippocampus must play a role in declarative but not procedural memory.

Therefore, procedural memory must be localized somewhere else in the brain and not in the hippocampus.

H.M’s Legacy

Milner’s and hundreds of other researchers’ work with H.M. established fundamental principles about how memory functions and is organized in the brain.

Without the contribution of H.M. in volunteering the study of his mind to science, our knowledge today regarding the separation of memory function in the brain would certainly not be as strong.

Until H.M.’s watershed surgery, it was not known that the hippocampus was essential for making memories and that if we lost this valuable part of our brain, we would be forced to live only in the moment-to-moment constraints of our short-term memory .

Once this was realized, the findings regarding H.M. were widely publicized so that this operation to remove the hippocampus would never be done again (Shrader 2012).

H.M.’s case study represents a historical time period for neuroscience in which most brain research and findings were the result of brain dissections, lesioning certain sections, and seeing how different experimental procedures impacted different patients.

Therefore, it is paramount we recognize the contribution of patients like H.M., who underwent these dangerous operations in the mid-twentieth century and then went on to allow researchers to study them for the rest of their lives.

Even after his death, H.M. donated his brain to science. Researchers then took his unique brain, froze it, and then in a 53-hour procedure, sliced it into 2,401 slices which were then individually photographed and digitized as a three-dimensional map.

Through this map, H.M.’s brain could be preserved for posterity (Wb et al., 2014). As neuroscience researcher Suzanne Corkin once said it best, “H.M. was a pleasant, engaging, docile man with a keen sense of humor, who knew he had a poor memory but accepted his fate.

There was a man behind the data. Henry often told me that he hoped that research into his condition would help others live better lives. He would have been proud to know how much his tragedy has benefitted science and medicine” (Corkin, 2014).

Corkin, S. (2014). Permanent present tense: The man with no memory and what he taught the world. Penguin Books.

Hardt, O., Einarsson, E. Ö., & Nader, K. (2010). A bridge over troubled water: Reconsolidation as a link between cognitive and neuroscientific memory research traditions. Annual Review of Psychology, 61, 141–167.

Scoville, W. B., & Milner, B. (1957). Loss of recent memory after bilateral hippocampal lesions . Journal of neurology, neurosurgery, and psychiatry, 20 (1), 11.

Shrader, J. (2012, January). HM, the man with no memory | Psychology Today. Retrieved from, https://www.psychologytoday.com/us/blog/trouble-in-mind/201201/hm-the-man-no-memory

Squire, L. R. (2009). The legacy of patient H. M. for neuroscience . Neuron, 61 , 6–9.

Case Study: Definition And Examples

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Experiments are often used to help researchers understand how the human mind works. There have been many famous examples in psychology over the years. Some have shown how phenomena like memory and personality work. Others have been disproven over time. Understanding the research design, content, and analytical approach of case studies is important to verifying the validity of each study.

In considering case studies, researchers continuously test and reevaluate the conclusions made by past psychologists to continue offering the most up-to-date and effective care to modern clients. Prospective case studies are continually being developed based on previous findings from case studies, and multiple case studies done in one area can lend credence to the findings. Learning about the famous psychology case studies can help you understand how research studies continue to shape what psychologists know about the human experience and mind.

Examples of famous psychology case studies

Hundreds of thousands of case studies have been done in psychology, and narrowing them down to a list of the most groundbreaking case studies can be challenging. However, the following seven case studies present findings that have defied expectations, achieved positive outcomes for humanity, and launched further research into existing knowledge gaps within the niche.

Phineas Gage

The case of Phineas Gage is perhaps the most cited study in psychology. This famous case study showed how different areas of the brain affect personality and cognitive ability. While working as a construction foreman on a railroad, Phineas Gage was involved in an accident in which a rod was pushed through his cheek and brain. He survived, but because of the accident, both his personality and his ability to learn new skills were affected.

Genie the "feral child" case study

Although an outdated term, "feral children" referred to children raised without human interaction, often due to abuse or neglect. One famous case study of a neglected child was done with a child known as Genie. She was raised in a single bedroom with little human interaction. She never gained the cognitive ability of an average adult, even though she was found at age 13. Later in life, she regressed and stopped speaking altogether. Her case has been studied extensively by psychologists who want to understand how enculturation affects cognitive development. It's one of many case studies on cognitive psychology that have had an impact on this field.

Henry Molaison

The case study of Henry Molaison has helped psychologists understand memory. It is one of the most famous case studies in neuroscience. Henry Molaison was in a childhood accident that left him with debilitating seizures. Doctors could stop the seizures by removing slivers of his brain's hippocampus, though they did not fully understand what they were doing at the time. As a result of this study, scientists learned how important the hippocampus is to forming long-term memories. After the surgery, Molaison could no longer form long-term memories, and his short-term memory was brief. The case study started further research into memory and the brain.

Jill Price case studies

Jill Price had one of a few documented cases of hyperthymesia, a term for an overactive memory that allowed her to remember such mundane things as what she had for dinner on an average day in August 20th years previously. Her case study was used as a jumping-off point to research how memory works and why some people have exceptional memories.

However, through more research studying of the case, it was discovered that her overall memory was not exceptional. Rather, she only remembered details of her own life. She was diagnosed with obsessive-compulsive disorder (OCD), with memories being part of her obsession. This case study research is still relevant because this case has helped modern psychologists understand how mental illness affects memory.

John/Joan case study research

In the John/Joan case study , a reputable sexologist tested his theory that nurture, not nature, determined gender. The case study has been cited extensively and laid the groundwork for other research studies into gender identity. However, the case study approach was not legitimate. In this case study, Dr. John Money performed surgery on an infant whose genitals were damaged during circumcision.

The boy was raised as a girl; however, he never identified as female and eventually underwent gender-affirming surgery as an adult. Because Dr. Money didn't follow up with the patient appropriately and did not report adverse findings, the case study is still often cited as successful.

Victor the "wild boy" of Aveyron

Ethics in a case study.

While case studies can provide valuable details and information from psychology experiments and inspire further research, case studies are not definitive proof of a theory. Case study examples must be used ethically and legitimately. They can be used to support theories, but the research in these studies must be sound to be accepted by modern psychology.

When case studies are flawed through not having enough information or having the wrong information, they can be harmful. Valuable research hours and other resources can be wasted while theories are used for inappropriate treatment. Case studies can therefore cause as much harm as benefit, and psychologists are often careful about how and when they are used.

Practicing caution with case studies

Those who are not psychologists and are interacting with studies can also practice caution. Psychologists and doctors often disagree on how case studies should be applied. In addition, people without education in psychology may struggle to know whether a case study is built on a faulty premise or misinformation. It can also be possible to generalize case studies to real world situations to which they do not apply. If you think a case study might apply to your case or that of a loved one, consider asking a therapist for guidance.

When considering case study content and findings from psychology, it can be helpful to think of the cases as stories of real individuals. When you strip away the science and look at the case as a whole person in a unique situation, you may get more out of the study than if you look at it as research that proves a theory.

Therapeutic implications of a case study

Case examples are sometimes used in therapy to determine the best course of treatment. If a typical case study from psychology aligns with your situation, your therapist may use the treatment methods outlined in the study. Psychiatrists and other mental health professionals also use case examples to understand mental illness and its treatment.

Researchers have reviewed the role of case studies in counseling and psychotherapy. In one study, the authors discussed how reading case studies benefits therapists, providing a conceptual guide for clinical work and an understanding of the theory behind the practice. They also stressed the importance of teaching psychotherapy trainees to do better case study research. They encouraged practitioners to publish more case studies documenting the methods they use in their practice.

How a case study research affects counseling

If you want to meet with a psychologist, counseling may benefit you. Therapists often use theories behind popular case studies and can discuss their implications with you. In addition, you may be able to participate in case studies in your area, as psychologists and psychiatrists often perform clinical trials to understand treatments on a deeper level.

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Out of the thousands of clinical studies that have been done in the realm of psychology, a few typical case studies are often mentioned above the rest. Consider reading through these types of case studies to learn more about how they worked and how psychology has changed over the years. You can also reach out to a therapist for further guidance and support in a specific mental health area.

Case studies can help the field of psychology, but psychotherapy is personal.

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Domestic Violence

Domestic abuse turns lethal: tiktok star kills wife and friend, ali abulaban engaged in domestic violence before committing a double homicide..

Posted September 3, 2024 | Reviewed by Michelle Quirk

What Is Domestic Violence?
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Domestic violence can have deadly consequences for the victim.
A TikTok star murdered his wife because he thought she was having an affair.
Victims of intimate partner abuse need support to utilize the justice system to protect themselves.

Domestic violence can become lethal. On May 29, 2024, TikTok star Ali Abulaban, known as JinnKid, was found guilty of two counts of first-degree murder of his estranged wife Ana and her friend Rayburn Barron. Abulaban will be back in court on September 6, 2024, for sentencing. At first glance, this is a crime of murder assuredly. However, this is also a case of domestic violence and the fatal outcome of many victims. There are units in district attorneys' offices that are dedicated solely to domestic violence, and yet it remains a systemic issue with deadly consequences. Abulaban acknowledged being physically abusive with Ana multiple times, particularly when he felt disrespected or jealous . This case exemplifies the dangers of abuse and how victims like Ana need the justice system for protection before it’s too late.

Facts of the TikTok Star Murder Case

Ali and Ana Abulaban met in 2014 in Japan, where he served in the Air Force. He was later discharged for assault and was forced to move back to Virginia where his family lived. The couple discovered Ana was pregnant and Abulaban got a visa for her to join him in Virginia. He then started making a living providing content on Instagram, YouTube, and TikTok. In 2019, Abulaban gained an online presence under the name @Jinnkid. His popularity grew as he reached 1 million followers engaging in sketch comedy and impressions of Tony Montana from the film Scarface , Tekashi 6ix9ine, and characters from the video game Skyrim . As his fame began to rise, he garnered millions of views for each video. In 2021, Ana convinced Abulaban that a move west would be good for his career . She was also gaining popularity on social media , making him angry, possessive, and jealous.

Domestic Violence in the TikTok Star Murder Case

Abulaban abused Ana physically and emotionally. At times, he recorded fights with her where voice memos relayed him constantly accusing her of cheating. Friends testified that he viewed her as his property. The prosecution displayed texts that Ana was fearful of her husband and wanted out of the marriage . She was even about to apply for a restraining order to secure her safety. Abulaban testified that during a particular fight, he had believed that Ana had slept with one of his friends, and high on cocaine he "snapped" and punched her three times in the face. A few days later he stated that when she wanted to go to a party, he caused her head to strike the refrigerator. After numerous incidents of domestic violence, Ana broke up with Abulaban, and they agreed she would reside in their apartment. On October 25, 2021, he used a copy of a key to enter the apartment and vandalize it. He also installed an app on his daughter's iPad that allowed him to spy on his estranged wife in case she was disloyal. After coming home to find her place ransacked, Ana called Barron to come over and help clean up. Abulaban heard the two of them laughing on his daughter's iPad and broke into the apartment killing both by shooting them at close range in the head.

Domestic violence typically includes a particular cycle in which the perpetrator maintains a hold on the victim. Specifically, the cycle of abuse as described four decades ago by psychologist Lenore Walker refers to the cyclical nature of emotional and physical abuse by the perpetrator with four key stages: (a) tension building, (b) the incident of abuse, (c) reconciliation, and (d) calm. Once the perpetrator realizes the victim may leave them, they show deep remorse for their abuse and convince the victim to stay. However, the calm period is brief, and they become agitated and dysregulated again in the tension-building phase before the physical violence starts over. Police departments have intensive training on how to handle domestic violence cases so victims feel safe to obtain restraining orders once violence is reported. Mandatory no-drop policies exist in district attorney's offices to ensure these cases are fully prosecuted. However, despite all we know about this systemic problem, victims like Ana die every day at the hands of their partners.

Statistics of Domestic Violence

One in three U.S. women experience physical violence, sexual violence , and stalking by a current or former intimate partner throughout their lifetimes as projected by the U.S. Centers for Disease Control and Prevention (CDC),
More than half of female homicide victims are killed by a current or former male intimate partner.
Firearms are used in more than 50 percent of these intimate partner violence -related homicides.
Intimate partner violence involves physical and sexual violence, intimidation and threats, and psychological abuse .
Perpetrators treat victims like their property.
Perpetrators typically exhibit insecure, possessive, controlling, and jealous tendencies toward the victim and often accuse them of being unfaithful.
Less than half of all victims of domestic violence report their abuse to the police or obtain a restraining order.

Domestic violence can have fatal outcomes for victims. The prosecutorial evidence here demonstrated that Ana lived in fear for her life with Abulaban. He constantly broke her emotionally and physically beat her. He would apologize after abusing her and beg her to stay. The TikTokker's insecurities led him to control his wife and persistently challenge her loyalty. He was overtly jealous and unable to regulate his emotions, which is typical of abuse perpetrators. According to testimony, she wanted out of her marriage and was on the cusp of applying for a restraining order before Abulaban brutally murdered her and Barron. It is vital that we ensure that victims like Ana get support from the criminal justice system before the outcome of their abuse is lethal.

1. Birdsey, E. (2013). Reporting Violence to Police: A survey of victims attending domestic violence services. NSW Bureau of Crime Statistics and Research 1 (91).

2. Tobin-Tyler, E. (2023). Intimate Partner Violence, Firearm Injuries, and Homicides: A Health Justice Approach to Two Intersecting Public Health Crises. Journal of Law Medical Ethics, 5(1), 64–76.

3. Waghamode, H., Desai, B., & Kalyan, L. Domestic Violence Against Women: An Analysis. International Research Journal of Social Sciences, 2010, 34–37.

4. Walker, L. (1979). The Battered Woman . Harper & Row.

Michelle Charness, JD, PsyD, LCSW, is a former prosecutor who specialized in domestic violence and sexual assault cases. She has a doctorate in clinical psychology as well as a master’s degree in social welfare.

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Neuroscience

Network analysis of depression, anxiety, and quality of life among widowed older adults in China

Published: 02 September 2024

Cite this article

Yuanyuan Wu ORCID: orcid.org/0009-0008-0833-8889 1 &
Meng Cai 1

Mental health is an important aspect of healthy aging, especially for widowed older adults. This study aims to examine the interrelationships between depression and anxiety symptoms and their associations with quality of life among widowed older adults. Using data from the 2017–2018 Chinese Longitudinal Healthy Longevity Survey (CLHLS), we selected a sample of 6,061 widowed older adults ( M age = 88.97, SD = 10.01). Depression, anxiety, and quality of life were assessed using the Center for Epidemiological Studies Depression (CESD-10) Scale, the Generalized Anxiety Disorder (GAD-7) Scale, and a self-reported question of quality of life (QoL), respectively. The network analysis was performed to identify central and bridge symptoms of depression and anxiety. Network stability was tested using a case-dropping bootstrap procedure. The “flow” package was used to identify symptoms directly or indirectly associated with QoL. The R package NetworkComparisonTest (NCT) was conducted to examine whether network characteristics differed by gender. Network analysis revealed that GAD2 “Uncontrollable worry” emerged as the most central symptom in the network of depression and anxiety. Bridge symptoms such as GAD1 “Nervousness”, CESD6 “Felt fearful”, and CESD1 “Felt bothered” were identified as triggers for depression and anxiety. CESD5 “Hopelessness” exhibited the most negative association with the quality of life among widowed older adults. Gender did not significantly influence the network structure and global strength. These findings deepen our understanding of the inter-relationships between depression and anxiety among Chinese widowed older adults. Targeting central and bridge symptoms for treatments or interventions, and promoting hope among widowed older adults may enhance their quality of life.

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The data are publicly available. We thank the Center for China Survey and Data Center at Renmin University of China for opening access to this dataset.

This study was supported by the National Social Science Fund of China (No. 22BSH109).

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