A study that includes a group of subjects who have a condition and an age-matched group of subjects who do not have the condition is called a:
A) Cohort study
B) Case-control study
C) Retrospective study
D) Prospective study

Question

Quizplus · Accepted Answer

A case-control study involves comparing subjects who have a specific condition (cases) with subjects who do not have the condition (controls), often matching them on characteristics such as age.

A Study That Includes a Group of Subjects Who Have