Mohaddeseh taghinejad - Isfahan University
Ahmad yarmohammadyian - Isfahan University
Maryam samadi - Isfahan University
Fateme Saadat pour - Ferdowsi Mashhad University

Considering the importance and the need to provide interventions to improve the impairments of autism disorder in order to prevent future problems, this study used meta-analysis of the research model on the impact of therapeutic interventions (other than non-pharmaceutical interventions) to improve the symptoms of autism in Iran So, 21 researches adopted in this study, were performed and selected for meta-analysis. The research instrument was a meta-analysis checklist. The rate of effect size for effectiveness of interventions to improve the symptoms of autism reported r = 0.78 (P<0/001). The meta-analysis of this study showed that the effect size according to Cohen's table is high.

Meta-analysis; Autism disorder; Therapeutic interventions