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A defense of statistical power analysis

  • Brian R. Lashley (a1)

Abstract

Chow attacks statistical power analysis on theoretical grounds. I argue that if significance testing is defensible, so is power analysis. A number of Chow's criticisms seem to suggest that power analysts are confused about certain fundamental issues. I claim that few power analysts make the mistakes Chow describes. Finally, I address Chow's claim that power analysis is irrelevant to NHSTP because it deals with a different issue.

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A defense of statistical power analysis

  • Brian R. Lashley (a1)

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