When estimating the effect size when calculating power, it is best to use .50, regardless of the content area being researched.

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Quizplus · Accepted Answer

It is not necessarily best to use .50 as the effect size when calculating power. The effect size should be based on previous research or theoretical considerations in the specific content area being studied. A .50 effect size may be appropriate in some areas, but not all.

When Estimating the Effect Size When Calculating Power, It Is