In a __________ study, the participants do not know if they are part of the control group or the experimental group. Only the experimenter knows who is in each group.
A) single-blind
B) placebo
C) double-blind
D) triple-blind

Question

Quizplus · Accepted Answer

In a single-blind study, the participants are unaware of whether they are receiving the experimental treatment or are in the control group, but the researchers do know. This helps to prevent participant bias.

In a __________ Study, the Participants Do Not Know If