The participants who are assigned to the group that receives a fake substance, treatment, or procedure that has no known direct effects are in the _____ group.
A) experimental
B) extraneous
C) placebo control
D) practice

Question

Quizplus · Accepted Answer

The participants who are assigned to the group that receives a fake substance, treatment, or procedure that has no known direct effects are in the placebo control group. This group allows researchers to compare the effects of the real treatment to the effects of having no treatment at all.

The Participants Who Are Assigned to the Group That Receives