Incident cases are typically preferred over prevalence cases for use in Case Control studies because they reduce the chance of recall bias and the over-representation of cases with long duration of disease.
A. True
B. False

True

Explanation:

It is true that incident cases are typically preferred over prevalence cases for use in case control studies because they reduce the chance of recall bias and over representation of cases with long duration of disease, which is a typical feature of the prevalence cases.

To be effective, case study should be observational, methodical and careful assessment under a control environment. Given its characteristics, case study is not one to be prolonged for the phenomenon under study to occur.

Thus, incident cases have these advantages over the prevalence cases.