title: Meta-analysis of the efficacy of psychological and educational interventions to improve academic performance of students with learning disabilities in Iran.
abstract: BACKGROUND
  with due attention to the importance of learning disabilities and necessity of presenting interventions for improvement of these disorders in order to prevent future problems, this study used meta-analysis of the research model on the impact of psychological and educational interventions to improve academic performance of students with learning disabilities.
  
  
  METHODS
  with the use of meta-analysis method by integrating the results of various researches, this study specifies the effect of psychological and educational interventions. In this order, 57 studies, which their methodology was accepted, were selected and meta-analysis was performed on them. The research instrument was a meta-analysis checklist.
  
  
  RESULTS
  The effect size for the effectiveness of psychological-educational interventions on improving the academic performance of students with mathematics disorder (0.57), impaired writing (0.50) and dyslexia (0.55) were reported.
  
  
  CONCLUSIONS
  The result of meta-analysis showed that according to Cohen's table, the effect size is above average, and it can be said that educational and psychological interventions improve the academic performance of students with learning disabilities.
authors.affiliation: Department of Psychology and Education of Children with Special Needs, University of Isfahan, Isfahan, Iran.
authors.forename: Salar
authors.initials: S
authors.lastname: Faramarzi
authors.affiliation: Department of Psychology and Education of Children with Special Needs, University of Isfahan, Isfahan, Iran.
authors.forename: Abdolhossein
authors.initials: A
authors.lastname: Shamsi
authors.affiliation: Department of Psychology and Education of Children with Special Needs, University of Isfahan, Isfahan, Iran.
authors.forename: Maryam
authors.initials: M
authors.lastname: Samadi
authors.affiliation: Department of Psychology and Education of Children with Special Needs, University of Isfahan, Isfahan, Iran.
authors.forename: Maryam
authors.initials: M
authors.lastname: Ahmadzade
keywords: Educational interventions; learning disabilities; meta-analysis; psychological interventions