More detailed information about a person can be obtained through a case study, consisting of a biographical description of the person's behavior and circumstances during a part or all of his or her lifetime. Case studies are conducted in clinical and educational contexts both for research purposes and for determining the causes(s) of a specific problem. Details on background and behavior are obtained from the individual and other significant persons. Information on the family, culture, medical history, developmental history, educational history, economic history, and the person's daily activities may all be collected in preparing a case study or case history. If the purpose of the case study is to discover the cause(s) of a specific problem, then hypotheses concerning those causes may be formulated and suggestions for intervention (treatment, training, etc.) made on the basis of the obtained information.
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