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Why is a case-control study often referred to as a retrospective study?
Wiki User
∙ 10y ago
Because epidemiologists are working backward ,from the effect to the suspected cause ,, Source :dr.jelly
Wiki User
∙ 10y ago
A case-control study is referred to as a retrospective study because it looks back in time to study the exposure history of cases (individuals with the outcome/disease) and controls (individuals without the outcome/disease). Researchers compare the past exposure between the two groups to identify potential risk factors associated with the outcome.
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A small group of participants observed in a research study are referred to as the?
case study
