What are the two types of case-study methods of observation?
Case Study Methods
Prospective: A type of case study in which an individual or group of people is observed in order to determine outcomes. [ For example, a group of individuals might be watched over an extended period of time to observe the progression of a particular disease.
Retrospective: A type of case study that involves looking at historical information. For example, researchers might
start with an outcome, such as a disease, and then backwards at information about the individuals life to determine risk factors that may have contributed to the onset of the illness.
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