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The effect of exposure variance and exposure measurement error on study sample size: Implications for the design of epidemiologic studies

โœ Scribed by White, Emily; Kushiz, Lawrence H.; Pepe, Margaret S.


Book ID
122012562
Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
911 KB
Volume
47
Category
Article
ISSN
0895-4356

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Sample size requirements for epidemiologic studies are usually determined on the basis of the desired level of statistical power. Suppose, however, that one is planning a study in which the participants' true exposure levels are unobservable. Instead, the analysis will be based on an imprecise surro