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How Many Subjects?: Statistical Power Analysis in Research
How Many Subjects? is a practical guide to sample size calculations and general principles of cost-effective research. It introduces a simple technique of statistical power analysis which allows researchers to compute approximate sample sizes and power for a wide variety of research designs. Because the same technique is used with only slight modifications for different st ...more
Hardcover, 120 pages
Published September 1st 1987 by Sage Publications, Inc
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Straightforward explanation of different methods of finding an appropriate sample size. Probably won't be helpful without an understanding of statistical analysis in general. It's a very manageable handbook for determining sample size for a study.