How Many Subjects?

How Many Subjects?
Author :
Publisher : SAGE
Total Pages : 128
Release :
ISBN-10 : 0803929498
ISBN-13 : 9780803929494
Rating : 4/5 (98 Downloads)

Book Synopsis How Many Subjects? by : Helena Chmura Kraemer

Download or read book How Many Subjects? written by Helena Chmura Kraemer and published by SAGE. This book was released on 1987-09 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 statistical tests, researchers can easily compare the sample sizes required by different designs and tests to make cost-effective decisions in planning a study. These comparisons, emphasized throughout the book, demonstrate important principles of design, measurement and analysis that are rarely discussed in courses or textbooks.


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