Which of the following is the best description of a control for an experiment?
A) The control group is kept in an unchanging environment.
B) The control is left alone by the experimenters.
C) The control group is matched with the experimental group except for the one experimental variable.
D) The control group is exposed to only one variable rather than several.

Question

Quizplus · Accepted Answer

A control group in an experiment is used as a reference point for comparison with the experimental group. The control group should be matched with the experimental group except for the one variable being tested. This helps to avoid the influence of confounding variables and allows for a more accurate assessment of the effect of the experimental variable on the outcome. Options A, B, and D do not adequately describe a control group in an experiment.

Which of the Following Is the Best Description of a Control