Document Detail

Improving the Power of an Efficacy Study of a Social and Emotional Learning Program: Application of Generalizability Theory to the Measurement of Classroom-Level Outcomes.
MedLine Citation:
PMID:  23408287     Owner:  NLM     Status:  Publisher    
Social and emotional learning programs are designed to improve the quality of social interactions in schools and classrooms in order to positively affect students' social, emotional, and academic development. The statistical power of group randomized trials to detect effects of social and emotional learning programs and other preventive interventions on setting-level outcomes is influenced by the reliability of the outcome measure. In this paper, we apply generalizability theory to an observational measure of the quality of classroom interactions that is an outcome in a study of the efficacy of a social and emotional learning program called The Recognizing, Understanding, Labeling, Expressing, and Regulating emotions Approach. We estimate multiple sources of error variance in the setting-level outcome and identify observation procedures to use in the efficacy study that most efficiently reduce these sources of error. We then discuss the implications of using different observation procedures on both the statistical power and the monetary costs of conducting the efficacy study.
Andrew J Mashburn; Jason T Downer; Susan E Rivers; Marc A Brackett; Andres Martinez
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-2-14
Journal Detail:
Title:  Prevention science : the official journal of the Society for Prevention Research     Volume:  -     ISSN:  1573-6695     ISO Abbreviation:  Prev Sci     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-2-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100894724     Medline TA:  Prev Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Psychology Department, Portland State University, P.O. Box 751, Portland, OR, 97207, USA,
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