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Brief Notes: Statistical Power Analysis and Research Results1:

Brief Notes: Statistical Power Analysis and Research Results1: I was most pleased by the recent publication by Brewer, “On the Power of Statistical Tests in theAmerican Educational Research Journal” 1972, and understandably delighted with his heavy reliance, in accomplishing his survey, on my power handbook (Cohen, 1969). I strongly agree with his stress on the importance of power analysis. Further, his survey’s confirmation of my finding of a decade ago (Cohen, 1962; 1965) that the neglect of power analysis results in generally low power is very useful, although not surprising. Unfortunately, however, some conceptual errors in the article may seriously mislead educational researchers, and undermine our shared goal of promulgating power analysis. Hence, this note. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Educational Research Journal SAGE

Brief Notes: Statistical Power Analysis and Research Results1:

American Educational Research Journal , Volume 10 (3): 5 – Nov 23, 2016

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References (3)

Publisher
SAGE
Copyright
Copyright © 2019 by American Educational Research Association
ISSN
0002-8312
eISSN
1935-1011
DOI
10.3102/00028312010003225
Publisher site
See Article on Publisher Site

Abstract

I was most pleased by the recent publication by Brewer, “On the Power of Statistical Tests in theAmerican Educational Research Journal” 1972, and understandably delighted with his heavy reliance, in accomplishing his survey, on my power handbook (Cohen, 1969). I strongly agree with his stress on the importance of power analysis. Further, his survey’s confirmation of my finding of a decade ago (Cohen, 1962; 1965) that the neglect of power analysis results in generally low power is very useful, although not surprising. Unfortunately, however, some conceptual errors in the article may seriously mislead educational researchers, and undermine our shared goal of promulgating power analysis. Hence, this note.

Journal

American Educational Research JournalSAGE

Published: Nov 23, 2016

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