Placebos are sometimes used in research in order to demonstrate the effects of participant expectations or beliefs on the outcome of behavior.

(A) True

(B) False

Answer: True.

Explanation: Placebo is an intervention designed to simulate a medical therapy, which has no specific effects for the condition being applied. The placebo effect is the modification, often physiologically demonstrable, that occurs in the body as a result of the psychological stimulus induced by the administration of an inert substance, a drug or a treatment.