4. Locate a journal article that describes how a t-test was used to examine pretest posttest differences

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4. Locate a journal article that describes how a t-test was used to examine pretest–

posttest differences in a group of clients and to obtain a “statistically significant difference.” Calculate the PVE. Does the obtained PVE alter your interpretation of the phrase “statistically significant difference”?

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Program Evaluation: An Introduction

ISBN: 9781529742787

5th Edition

Authors: Padgett, Deborah K.;Royse, David Daniel;Thyer, Bruce A Publisher: Wadsworth

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