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Author: Helena Chmura Kraemer
Publisher: SAGE Publications Inc
Edition: 2nd Edition
ISBN-13: 9781483319544
Publishing year: February 2015
No of pages: 160
Weight: 250 grm
Language: English
Book binding: Paperback

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With increased emphasis on helping readers understand the context in which power calculations are done, this Second Edition introduces a simple technique of statistical power analysis that allows researchers to compute approximate sample sizes and power for a wide range of research designs. Because the same technique is used with only slight modifications for different statistical tests, researchers can then easily compare the sample sizes required by different designs and tests to make cost-effective decisions in planning a study. These comparisons demonstrate important principles of design, measurement, and analysis that are rarely discussed in courses or textbooks, making this book a valuable instructional resource as well as a must-have guide for frequent reference.