Justification of the Sample Size standard deviation of 7.3 ...

Justification of the Sample Size standard deviation of 7.3 in each group and Satisfy Reviewers with Sound Science and Statistics UBC Research Workshop Darby JS Thompson, PhD UBC&Med&–April&17,&2013& The Usual Group sample sizes of 20 and 20 achieve 82% power to detect an effect size of 6.8 between the two groups assuming a ................
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