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In an experiment, the control group is the set that does not receive the treatment or intervention and is used as a benchmark to measure how other tested subjects do.
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Experimental Group: This is the group that receives the experimental treatment or intervention in an experiment.
Independent Variable: This is what researchers manipulate during an experiment to see its effect on another variable.
Dependent Variable: This is what researchers measure in an experiment and expect to change due to manipulation of independent variable.