The best way to control for the placebo effect is to use:

Question

Quizplus · Accepted Answer

A double-blind procedure is the best way to control for the placebo effect. This involves neither the experimenter nor the participant knowing whether they are receiving the treatment or the placebo. This helps to reduce the potential for experimenter bias and participant expectations, which can both contribute to the placebo effect. Counterbalancing can help control for order effects but does not address the placebo effect. Within-subjects and between-subjects designs may also be used in experiments, but they do not specifically address the placebo effect.

The Best Way to Control for the Placebo Effect Is