Match these definitions with the terms they define.
-An experiment in which neither the subjects nor the researcher know which subjects are in the control group and which are in the experimental group until after the results are tallied.

Question

Quizplus · Accepted Answer

A double-blind study is an experiment in which neither the subjects nor the researcher know which subjects are in the control group and which are in the experimental group until after the results are tallied.

Answer: A
 Confirmation bias is the tendency of people to favor information that confirms their preexisting beliefs or values.

Answer: B
 Volunteer bias occurs when the people who choose to participate in a study are different from those who do not, which can skew the results of the study.

Answer: C
 A placebo is a substance or treatment that has no therapeutic effect but is given to patients as a way to measure the effectiveness of another treatment.

Answer: D
 Experimenter effects are any differences in the behavior or results of an experiment that are caused by the actions or characteristics of the experimenter.

Match These Definitions with the Terms They Define