Answer :
Correct answer choice is:
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.
Hi pupil here's your answer ::
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✔The correct answer must be option C
✴Subjects are prevented from knowing whether they are receiving real drugs or placebos.
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hope that it helps. . . . .
_____________________________
✔The correct answer must be option C
✴Subjects are prevented from knowing whether they are receiving real drugs or placebos.
_____________________________
hope that it helps. . . . .