2. Barbara Daydreamer designed a three-item questionnaire to be used as a preand posttest instrument to measure
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2. Barbara Daydreamer designed a three-item questionnaire to be used as a preand posttest instrument to measure adolescents’ knowledge of alcoholism as a disease. Later she was surprised to find that there were no significant differences between pre- and posttest scores. How would you explain this?
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Related Book For 
Program Evaluation: An Introduction
ISBN: 9781529742787
5th Edition
Authors: Padgett, Deborah K.;Royse, David Daniel;Thyer, Bruce A Publisher: Wadsworth
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