When participants in a control group are given a fake treatment, the researcher is trying to measure or control for __________
A) selection bias.
B) the placebo effect.
C) experimenter bias.
D) the dependent variable effect.

Question

Quizplus · Accepted Answer

Giving a fake treatment to the control group helps to measure or control for the placebo effect, which refers to the phenomenon in which people's beliefs and expectations can influence their perception of the effectiveness of a treatment, even if the treatment itself has no actual therapeutic effect. By comparing the outcomes of the placebo group to the actual treatment group, researchers can determine how much of the observed effect is due to the placebo effect and how much is due to the treatment itself.

When Participants in a Control Group Are Given a Fake