School-Based Interventions to Enhance the Self-Concept of Students with Learning Disabilities: A Meta-Analysis

In this meta-analytic review we examined self-concept outcomes of school-based interventions for students with learning disabilities (LD). A comprehensive search of the literature from 1975 to 1997 yielded 64 intervention studies that used a control group of students with LD and measured the effect of the intervention on students' self-concept. Across 82 samples of students with LD, the mean weighted effect size was 0.19. Overall, middle school...