Control groups are important in experimental studies and in nonexperimental studies.

Question

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Control groups are important in both experimental and nonexperimental studies. In experimental studies, a control group is necessary to compare the results of the treatment group to a group that did not receive the treatment. In nonexperimental studies, a control group may be used as a comparison group to see how the outcomes in the treatment group compare to those in a group that did not receive the treatment.

Control Groups Are Important in Experimental Studies and in Nonexperimental