Chapter

Power and Sample Size Requirements

Theodore R. Holford

in Multivariate Methods in Epidemiology

Published in print July 2002 | ISBN: 9780195124408
Published online September 2009 | e-ISBN: 9780199864270 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780195124408.003.0011

Series: Monographs in Epidemiology and Biostatistics

Power and Sample Size Requirements

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This chapter considers the sample size and power aspects of study design. It considers sample size from the perspective of estimation, in which the confidence interval indicated the level of precision desired for the study. It then discusses two-group hypothesis tests and general hypothesis tests.

Keywords: estimation; two-group hypothesis tests; general hypothesis tests; sample size

Chapter.  11603 words.  Illustrated.

Subjects: Public Health and Epidemiology

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