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 unintentionally grins at his participants. To control for ______________, Dr. Sesay should use a _______________________ design instead.
A)placebo effects; double-blind
B)placebo effects; correlational
C)experimenter expectancy effects; correlational
D)experimenter expectancy effects; double-blind
E)rrder; counter-balanced

Question

Quizplus · Accepted Answer

Dr. Sesay's unintentional grinning could influence the outcomes by creating experimenter expectancy effects. A double-blind design, where neither the participants nor the experimenters know who is receiving the actual medication or the placebo, would control for these effects.

Dr Sesay Is Testing a New Antidepressant