In a between-subjects design,holding constant a participant characteristic,such as age or gender,is one way to ____.

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Holding constant a participant characteristic, such as age or gender, can reduce the variance within treatments, which is important for experimental designs as it can increase the power of the analysis and decrease the error term. This allows for stronger conclusions to be drawn from the study's results.

In a Between-Subjects Design,holding Constant a Participant Characteristic,such as Age