Often in studies that look at the effects of drugs on behavior, it is found that a participant's behavior can be altered if he or she believes a drug was taken. To test for this possibility, you would use a:
A) single-subject design.
B) matched-pairs design.
C) multiple control group design.
D) design with several dependent variables.

Question

Quizplus · Accepted Answer

A multiple control group design allows for the inclusion of a placebo group, which helps determine if changes in behavior are due to the belief of taking a drug rather than the drug itself.

Often in Studies That Look at the Effects of Drugs