摘要：The present study was designed and implemented to evaluate the effects of sport violence in Iranian research. In order to carry out the present meta-analysis, 13 related studies were conducted in the years 2000-2018 with the aim of evaluating the factors affecting sport violence and were published in valid internal journals. Selected research has been conducted in survey societies in different statistical societies and in terms of permanent measurements. In the first step, the evaluation of selected studies, homogeneous assumptions and dissemination errors was examined, which revealed that the results were heterogeneous and did not bias the published studies. The results of the research show that team support, family conflict, peer group, police control, criminal record, collective media function, social failure, socio-economic base, social monitoring, social-team cohesion, religious beliefs and ethnic subculture. Size of effect have a significant impact on violence.
