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...