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On Appropriate Uses and Interpretations Of Power Analysis: A Comment1:

On Appropriate Uses and Interpretations Of Power Analysis: A Comment1: American Educational Research Journal Summer 1973, Vol. 10, No. 3, Pp. 231-234 On Appropriate Uses and Interpretations Of Power Analysis: A Comment' C. MITCHELL DAYTON WILLIAM D. SCHAFER BRUCE G. ROGERS University of Maryland Recent publications by Cohen (1969) and Brewer (1972) have focused attention on the desirability of including power considerations in the design phases of research. Granting that, by designing studies with high levels of power, a researcher would probably avoid much of the frustration that generally accompanies failure to reject null hypotheses, there are several concerns that need clarification with respect to the specific procedures which have been suggested. The purpose of this comment is to clarify those concerns which seem most likely to cause confusion among practicing researchers. In pursuing these clarifications, we shall make reference to certain aspects of Brewer's article. It is not our desire to question the value of th e many worthwhile aspects of this article; rather, we offer these comments in the hope of reducing the potential for misuse and misinterpretation of power analysis. Probability of Valid Rejection of the Null Hypothesis Brewer (1972) repeatedly referred to the probability of a "valid rejection" of the null hypothesis as typified in http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Educational Research Journal SAGE

On Appropriate Uses and Interpretations Of Power Analysis: A Comment1:

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References (3)

Publisher
SAGE
Copyright
Copyright © 2019 by American Educational Research Association
ISSN
0002-8312
eISSN
1935-1011
DOI
10.3102/00028312010003231
Publisher site
See Article on Publisher Site

Abstract

American Educational Research Journal Summer 1973, Vol. 10, No. 3, Pp. 231-234 On Appropriate Uses and Interpretations Of Power Analysis: A Comment' C. MITCHELL DAYTON WILLIAM D. SCHAFER BRUCE G. ROGERS University of Maryland Recent publications by Cohen (1969) and Brewer (1972) have focused attention on the desirability of including power considerations in the design phases of research. Granting that, by designing studies with high levels of power, a researcher would probably avoid much of the frustration that generally accompanies failure to reject null hypotheses, there are several concerns that need clarification with respect to the specific procedures which have been suggested. The purpose of this comment is to clarify those concerns which seem most likely to cause confusion among practicing researchers. In pursuing these clarifications, we shall make reference to certain aspects of Brewer's article. It is not our desire to question the value of th e many worthwhile aspects of this article; rather, we offer these comments in the hope of reducing the potential for misuse and misinterpretation of power analysis. Probability of Valid Rejection of the Null Hypothesis Brewer (1972) repeatedly referred to the probability of a "valid rejection" of the null hypothesis as typified in

Journal

American Educational Research JournalSAGE

Published: Nov 23, 2016

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