When neither the experimenter nor the participant knows who is in the experimental group and who is in the control group,this is known as ______________.

Question

Quizplus · Accepted Answer

A double-blind study is when neither the experimenter nor the participant knows who is in the experimental group and who is in the control group, which helps to eliminate bias from both parties. A single-blind study only has one party blinded, either the experimenter or the participant, and can still result in bias. Experimenter and participant bias refer to specific types of bias that can occur during a study, but do not relate to whether or not the study is double-blind.

When Neither the Experimenter nor the Participant Knows Who Is