Giving placebos in drug experiments is necessary to
A)counteract the random assignment of subjects.
B)counteract the side effects of the drug.
C)control for the effects of suggestion and expectation.
D)keep control subjects from knowing they have been given the real drug.

Question

Quizplus · Accepted Answer

Placebos are used in drug experiments to control for the effects of suggestion and expectation, ensuring that any observed effects can be attributed to the drug itself rather than to participants' beliefs about being treated.

Giving Placebos in Drug Experiments Is Necessary to