Which of the following groups would be used in a case-control study?
A) A group with breast cancer and a group with brain cancer
B) Two groups with breast cancer diagnosed at different times
C) A group with breast cancer and a group without breast cancer
D) A group younger than age 40 with breast cancer and a group older than age 40 with breast cancer

Question

Quizplus · Accepted Answer

In a case-control study, researchers compare individuals with a specific condition (cases) to those without it (controls) to identify factors associated with the condition.

Which of the Following Groups Would Be Used in a Case-Control