The purpose of the double-blind technique is to guard against the possibility that the researcher will inadvertently become anextraneous or confounding variable and display demand characteristics.

Question

Quizplus · Accepted Answer

The purpose of the double-blind technique is indeed to guard against the possibility that the researcher's involvement will influence the results, by masking both the participants and the experimenter to which group they belong (control or experimental). This reduces the likelihood of experimenter bias, participant bias, and demand characteristics.

The Purpose of the Double-Blind Technique Is to Guard Against