Control group
In an experiment or clinical trial) a group of subjects closely resembling the treatment group in many demographic variables but not receiving the active medication or factor under study and thereby serving as a comparison group when treatment results are evaluated.
A control is as close to the experimental group as you can get, but doesn't receive what ever treatment the experimental group gets. If you had to many factors being used on an experimental group you would never know if the "treatment" was what was causing what ever effect took place.|||Control group is the group that is held constant and not experimented with. Experimental is the group tampered with.
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