The function of the double-blind design is to guard against:

Question

Quizplus · Accepted Answer

The double-blind design is used to guard against participant and experimenter expectancies, which could bias the results of a study. A double-blind design ensures that both the participant and the experimenter are unaware of which group the participant is assigned to (e.g., treatment group or control group). This helps to eliminate the potential for bias due to expectations or beliefs that either the participant or experimenter may have about the treatment being studied. Option B (imitation therapies), C (subject bias), and D (the Rosenthal effect) are all factors that can impact the validity of a study, but they are not specifically addressed by the double-blind design.

The Function of the Double-Blind Design Is to Guard Against