To estimate the sample sizes required to obtain a desired amount of power, one needs to state the:
A) amount of power required.
B) magnitude of the difference you expect to find in your experiment.
C) expected error variance.
D) All of the answers are correct.

Question

Quizplus · Accepted Answer

To estimate sample sizes for desired power, you need to specify the power level, expected effect size, and error variance.

To Estimate the Sample Sizes Required to Obtain a Desired