The chief function of the control group in an experiment is that it
A)allows mathematical relationships to be established.
B)provides a point of reference against which the behavior of the experimental group can be compared.
C)balances the experiment to eliminate all extraneous variables.
D)it establishes causation.

Question

Quizplus · Accepted Answer

The purpose of a control group is to serve as a standard of comparison for the experimental group, allowing researchers to determine if the changes observed in the experimental group are actually caused by the intervention being tested or by other factors. Without a control group, it would be difficult to distinguish the effects of the intervention from other unrelated factors that could be affecting the outcome of the study.

The Chief Function of the Control Group in an Experiment