Behavior research methods instruments computers 1990 22 5 486 book review how many subjects statistical power analysis in research stephen dubin. How many subjects is a practical guide to sample size calculations and general principles of cost effective research it introduces a simple technique of statistical . Stanford libraries official online search tool for books media journals databases government documents and more. With increased emphasis on helping readers understand the context in which power calculations are done this second edition of how many subjects by helena chmura . How many subjects statistical power analysis in research byhelena chmura kraemer sue thiemann1987 newbury park casage publications inc 120 pp isbn 0 8039
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