When neither the person taking the drug nor the person evaluating the effects of the drug knows which people are getting the experimental drug and which people are getting the placebo,this procedure is referred to as a(n)
A)design flaw.
B)effect size.
C)preclinical study.
D)double-blind procedure.

Question

Quizplus · Accepted Answer

The described procedure is referred to as a double-blind procedure, where neither the person taking the drug nor the person evaluating the effects of the drug knows which people are getting the experimental drug and which people are getting the placebo. This helps eliminate bias and increase the validity of the study's results. Options A, B, and C are not relevant to the given scenario.

When Neither the Person Taking the Drug nor the Person