Which of the following statements about case-control studies is false?
A)Case-control studies have some clear advantages over randomized experiments.
B)A properly designed case-control study does a good job of reducing potential confounding variables.
C)Any controls that are selected will improve the quality of the results of the study.
D)None of the above.

Question

Quizplus · Accepted Answer

The statement "Any controls that are selected will improve the quality of the results of the study" is false. The quality of the results depends on the appropriate selection and matching of controls to cases, as well as other aspects of the study design and execution. Choosing inappropriate controls can actually lead to biased or misleading results.

Which of the Following Statements About Case-Control Studies Is False