O'Mara, Alison J.; Marsh, Herbert W.; Craven, Rhonda; … - University of Western Sydney; College of Arts; … - 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 self-concept interventions …