The placebo effect means ________.
A) all conditions in an experiment are the same
B) that there is no control group
C) the expectations of the participants influence their behavior
D) experimenter bias causes the subjects to act strangely

Question

The placebo effect means ________.
A) all conditions in an experiment are the same
B) that there is no control group 
C) the expectations of the participants influence their behavior 
D) experimenter bias causes the subjects to act strangely

Quizplus · Accepted Answer

The placebo effect occurs when a participant's expectations or beliefs about a treatment influence their behavior or symptoms, even though they are receiving a fake treatment or a treatment with no active ingredients. It is a result of psychological factors rather than the actual treatment itself. The other options (A, B, and D) are not accurate definitions of the placebo effect.

The Placebo Effect Means ________