For a repeated-measures study,if other factors are held constant,then an increase in the sample variance will decrease measures of effect size.

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In a repeated-measures study, the effect size is computed based on the difference between the means of the dependent variable within each subject. If the sample variance increases, the difference between the means may become smaller and thus decrease effect size.

For a Repeated-Measures Study,if Other Factors Are Held Constant,then an Increase