In a __________ study,only the experimenter knows who is in the control group and who is in the experimental group.
A)placebo
B)single-blind
C)double-blind
D)triple-blind

Question

Quizplus · Accepted Answer

In a single-blind study, the participants do not know which group they are in, but the experimenter knows. In a placebo study, there is no control or experimental group, but both groups receive a placebo. In a double-blind study, neither the participants nor the experimenter knows which group the participants are in. There is no such thing as a triple-blind study.

In a __________ Study,only the Experimenter Knows Who Is in the Control