Why is there a control group in clinical trials?
A) in order to control for interaction effects between predictors
B) to assess how response varies between treatment and no treatment
C) to vary the size or magnitude of the independent variable
D) to distinguish between the type of treatment given to participants

Question

Quizplus · Accepted Answer

The control group in clinical trials is used to assess how the response to the treatment differs from no treatment or a standard treatment, providing a baseline for comparison. This helps in determining the effectiveness of the new treatment being tested.

Why Is There a Control Group in Clinical Trials