In a double-blind design, __________.
A) neither the investigators nor the study's participants know who is in the control group and who is in the experimental group
B) there is no control or experimental group
C) placebo effects are increased
D) confounds are increased

Question

Quizplus · Accepted Answer

In a double-blind design, neither the investigators nor the study's participants know who is in the control group and who is in the experimental group. This is done to reduce bias and increase the reliability of the study's results.

In a Double-Blind Design, __________