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This study aimed to investigate the effect of play type, playtime and type of toy on children's mental development, social skills and intelligence. The kindergarten of Mazandaran province in 2012 took place. The study's statistical population included 630 kindergarten children in Mazandaran province in 2012-13. Using the Jesse and Morgan table and the simple random sampling method, 240 was considered the sample size. The data collection method was based on a questionnaire and checklist. Reliability of questionnaires using Cronbach's alpha method for Gresham and Elliott standard questionnaire (1990, 0/83), and for standard questionnaire Intelligence Mazandaran - Stanford - Binet (2009) was obtained 0/91. Also, content and structure validity was used to test the validity of the questionnaire. In content validity, the questionnaires were approved by relevant experts. Analysis of information obtained from implementing questionnaires via SPSS software in two descriptive sections mean, variance, standard deviation, frequency distribution tables and graphs and inferential test.

The Effect of Play on Children's Social Skills (Case Study: Kindergarten Children in Mazandaran Province)