Meta-Analysis of Effectiveness of Triple P-Positive Parenting Program on reduction of Externalizing Disorders in children and parenting problems

The goal of this study is meta-analysis of researches about effectiveness of Triple P-Positive Parenting Program on reduction of Externalizing Disorders in children and parenting problems. This study with meta-analysis or integrating the results of different studies, determine the effect size of Triple P-Positive Parenting Program on reduction of Externalizing Disorders in children and parenting problems. For this purpose out of 12 studies,11 studies which have proper methodology were selected and meta-analysis conducted on them. The research instrument was meta-analysis checklist. This study includes 306 subjects and 11 effect sizes. The results of meta-analysis indicated high significant effect size for triple p-positive parenting program on reduction of externalizing disorders in children and parenting problems(d= 0/82, p= 0/00001). According to Cohen’s table its high effect size, and it means of intervention have proper effect.