During an experiment, what is the purpose of a control group?

A) To allow the comparison of the results with previous experiments
B) To disprove the hypothesis
C) To prove the hypothesis
D) To replicate the results of the experimental group
E) To ensure that the results observed in the experimental group is due to the variable being tested

Control Group

In experiments, a group of subjects that does not receive the experimental treatment, serving as a baseline to compare the effects of the treatment.

Experimental Group

The group in an experimental setup that is exposed to the variable or condition being tested, as opposed to the control group.

Hypothesis

A testable statement about the nature of an observation or relationship. Compare with scientific theory.