During an experiment, what is the purpose of a control group?
A) To verify data
B) To disprove the theory
C) To prove the hypothesis
D) To produce replicated results of other groups
E) To compare results to the experimental group with the variable being tested

Question

Quizplus · Accepted Answer

A control group is used to compare results to the experimental group, ensuring that the effect of the variable being tested can be isolated and measured.

During an Experiment, What Is the Purpose of a Control