A placebo effect can occur when the
A) participant believes they are receiving a beneficial treatment.
B) random sampling procedure has been conducted inaccurately.
C) researcher fails to obtain informed consent from the participants.
D) correlation between two key variables equals zero.

Question

Quizplus · Accepted Answer

A placebo effect occurs when a participant believes they are receiving a beneficial treatment, even if the treatment has no true medical benefit. This can lead to an improvement in symptoms or outcomes simply due to the participant's belief in the treatment.

A Placebo Effect Can Occur When the