A meta-Analysis of the efficacy of psychological and educational interventions to improve academic performance of students with mathematics learning disabilities

Given the importance of interventions to improve the learning disability, and the need to prevent future problems, the purpose of this study is to determine the effectiveness of psychological and educational interventions to improve academic performance of students with mathematics learning disabilities, by using metaanalysis. This study uses the technique of meta-analysis by integrating the results of different research; defines the effect size of psychological and educational interventions. So, among 33 studies, 22 studies with appropriate methodology were selected and meta-analysis was done on that. The research tool was meta-analysis checklist. Data analysis showed that the rate of the effect size of psychological and educational intervention on improving academic performance of students with mathematics learning disabilities was 0/57. (P ≤0/00001). This rate of effect size according to Cohen table was high.