Control definition is to check, test, or verify by evidence or experiments. How to use control in a sentence. (such as an organism, culture, or group) that is part of a control. b: a device or mechanism used to regulate or guide the operation of a machine, apparatus, or system The Christian Science Monitor,
In a nutshell: A control group is a group in a scientific study that is given nothing special to compare it with a group given something scientists are testing. Control group studies help scientists test a claim that one thing causes another.
Control group, the standard to which comparisons are made in an experiment. Many experiments are designed to include a control group and one or more experimental groups; in fact, some scholars reserve the term experiment for study designs that include a control group. Ideally, the control group and