Because cases serve as their own controls, which design has several advantages, including the elimination of confounding by characteristics such as gender and race and the elimination of a type of bias that results from selecting unrepresentative controls?
A) Cohort study
B) Ecological study
C) Cross-sectional study
D) Case-crossover study

Question

Quizplus · Accepted Answer

The case-crossover study design uses each case as its own control, which helps eliminate confounding by fixed characteristics like gender and race, and reduces selection bias associated with choosing controls.

Because Cases Serve as Their Own Controls, Which Design Has