In a double-blind study,who knows which participants are in the experimental group?
A)Only the participants themselves
B)Only the observer who evaluates the participants
C)Both the participants and the observer who evaluates them.
D)Only the experimenter who organized the study

Question

In a double-blind study,who knows which participants are in the experimental group?​
A)Only the participants themselves
B)​Only the observer who evaluates the participants
C)​Both the participants and the observer who evaluates them.
D)​Only the experimenter who organized the study

Quizplus · Accepted Answer

In a double-blind study, neither the participants nor the observer who evaluates them know which participants are in the experimental group. Only the experimenter who organized the study knows which participants are in each group.

In a Double-Blind Study,who Knows Which Participants Are in the Experimental