Changes in behavior due to participants' expectations that a drug or other treatment will have some effect is known as the
A)anthropomorphic error.
B)Barnum effect.
C)placebo effect.
D)extraneous error.

Question

Quizplus · Accepted Answer

The placebo effect occurs when individuals experience changes in their condition simply because they believe they are receiving a treatment, even if it's inactive or a "dummy" treatment. This expectation can significantly influence their physical or psychological well-being.

Changes in Behavior Due to Participants' Expectations That a Drug