which of the following describes the placebo effect? A. Subjects are prevented from knowing whether they are receiving real drug
s or placebos. B. At least one block of subjects in a experiment receives only placebos. C. Subjects may respond to a treatment simply because they believe it is affecting them. D. Subjects receive inactive sugar pills instead of real medication. E. An experiment is repeated many times with real drugs and placebos.
C. Subjects may respond to a treatment simply because they believe it is affecting them.
Explanation:
A placebo is a material or procedure of no predetermined therapeutic utility. General placebos comprise inactive tablets, inactive injections, false surgery, and other methods.
