What do we call the procedure when neither the person taking the drug nor the person evaluating the effects of the drug knows who is getting the experimental drug and who is getting the placebo?
A) Dose-response design
B) Effect size
C) Preclinical study
D) Double-blind procedure

Question

Quizplus · Accepted Answer

The double-blind procedure is a method used in clinical trials where neither the participants nor the researchers know who has been assigned the experimental drug or the placebo, eliminating bias in the treatment effects evaluation.

What Do We Call the Procedure When Neither the Person