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O'Mara, Alison J.; Marsh, Herbert W.; Craven, Rhonda G.; Debus, Raymond L. – Educational Psychologist, 2006
Traditional reviews and previous meta-analyses of self-concept interventions have underestimated effect sizes by using an implicitly unidimensional perspective that emphasizes global self-concept. In contrast, this research employed a synergistic blend of meta-analysis and multidimensional construct validation to evaluate the impact of…
Descriptors: Research Design, Construct Validity, Effect Size, Self Concept
O'Mara, Alison J.; Green, Jasmine; Marsh, Herbert W. – International Education Journal, 2006
A meta-analysis of 105 studies reporting 152 self-concept interventions in school settings was conducted. The aims of the study were twofold: to explore the construct validity approach to self-concept interventions, and to examine aspects of the administration of the interventions, namely treatment setting, administrator type, administrator…
Descriptors: Intervention, Learning Disabilities, Construct Validity, Self Concept