Case studies are an in-depth, rich and detailed study of 1 person or a group of people.
They involve a variety of techniques (triangulation) including interviews, psychological tests, experiments and observations
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- Sometimes behaviour cannot be studied in any other way, such as in cases of neglect, abuse or psychological damage.
- Rich, detailed data is obtained which may give new insights into future research.
- A more complex effect can be explored rather than just cause and effect relationships.
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- They are unable to be generalised because of the unique set of circumstances of the case.
- They involve reflecting on the past meaning they rely on retrospective recall which is unrealible.
- The researcher may lack objectivity as they may become involved in the case.
- There are ethical issues involved as the unique circumstances may make the person identifiable (confidentiality).
- It is difficult to assess the reliability of the data as they are often difficult or impossible to replicate.
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