Double-blind experiments help prevent:
A) the placebo effect.
B) participant bias.
C) confounding variables.
D) experimenter bias.

Question

Quizplus · Accepted Answer

Double-blind experiments help prevent experimenter bias by keeping both the participants and the experimenters unaware of which group is receiving the treatment or the placebo. This ensures that the experimenter doesn't unconsciously influence the results. However, double-blind experiments do not necessarily prevent the placebo effect, participant bias, or confounding variables.

Double-Blind Experiments Help Prevent