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Theses/Dissertations

University of the Pacific Theses and Dissertations

Educational evaluation

1977

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The Influence Of The Reliability Of The Dependent Variable On Statistical Power, Theresa M. Housden Jan 1977

The Influence Of The Reliability Of The Dependent Variable On Statistical Power, Theresa M. Housden

University of the Pacific Theses and Dissertations

PROBLEM: In the planning phase of developing quality educational research there are several critical decision points. Some of these decisions are made to en sure that the research will have adequate statistical power, that is, the capability to detect meaningful differences, if they do exist. In an unpublished article, K. D. Hopkins from the Laboratory of Educational Research, University of Colorado and B. R. Hopkins from the University of the Pacific commented that all theoretical and empirical options for increasing statistical power had been investigated except for the reliability of the dependent variable. In this article, they derived a method …