Dr. Sesay is testing a new antidepressant. He gives the experimental group the new medication and the control group sugar pills that look exactly the same as the real medication. He is excited about all the good he believes this new medication will do for people. When he gives his control group the sugar pills, he shows little emotion, but when he hands out the antidepressants, he grins at his participants. To control for ___________, Dr. Sesay should use a __________ design instead.
A) demand characteristics; double-blind
B) placebo effects; correlational
C) demand characteristics; correlational
D) placebo effects; double-blind

Question

Quizplus · Accepted Answer

Dr. Sesay's behavior might give away which group is receiving the actual medication, potentially influencing participants' responses. A double-blind design would prevent both the participants and the experimenter from knowing who receives the real medication, thus controlling for demand characteristics.

Dr Sesay Is Testing a New Antidepressant