A nonequivalent control group design is a quasi-experimental design is one in which there are experimental and comparison groups that are designed before the treatment occurs but are not created by random assignment.

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A nonequivalent control group design is a type of quasi-experimental design where groups are not randomly assigned, but are predetermined based on certain characteristics or criteria. This lack of randomization makes it more difficult to draw causal inferences from the results, but it can still provide some evidence of the effectiveness of a treatment or intervention.

A Nonequivalent Control Group Design Is a Quasi-Experimental Design Is