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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