Case Study

• Case studies are in-depth investigations of a person, group, event, or community

  It uses information from a range of sources, such as from the person concerned and also from their family and friends.
• Many techniques may be used such as interviews, psychological tests, observations and experiments.
• Case studies are generally longitudinal - simply meaning they follow the subject of an extended period of time
• Sigmund Freud


  Conducted very detailed investigations into the private lives of his patients in an attempt to both understand and help them overcome their illnesses
• Case studies provide rich qualitative data and have high levels of ecological validity.

  However, it is difficult to generalize from individual cases as each one has unique characteristics