en تخصصي Special پژوهشي Research <p dir="ltr" style="text-align: justify;"><span style="font-size:14px;"><span style="font-family:times new roman;"><span style="color:#008080;"><strong><em>Background</em></strong><strong><em>:</em></strong></span> childhood aggression, particularly in preschoolers, is one of the most common behavioral problems throughout the world. Therefore, it is important to identify the predictors of this problem. This study was conducted to determine the predictors of physical and verbal aggression in preschoolers.</span></span></p> <p dir="ltr" style="text-align: justify;"><span style="font-size:14px;"><span style="font-family:times new roman;"><span style="color:#008080;"><strong><em>Methods:</em></strong></span> This descriptive cross-sectional study was conducted on preschoolers in Rasht in 2013. Study samples included 614, 5 to 7 year-old children who were selected by two &ndash;stage cluster sampling of preschool centers under the supervision of Education and Welfare organization of Rasht. Data collection tool included two questionnaires. The scale aggression in preschool children was used to measure the aggression and the questionnaire consisted of 3 parts (individual, familial, social and economic) was used to examine the factors related to the aggression. Then the data was analyzed by PSS software version 21, using descriptive and analytical statics.</span></span></p> <p dir="ltr" style="text-align: justify;"><span style="font-size:14px;"><span style="font-family:times new roman;"><span style="color:#008080;"><strong><em>Results:</em></strong> </span>The average score of verbal and physical aggression and also individual, familial and socioeconomic factors related to them were calculated. (p<0.05) Multiple linear aggression model results showed that individual and familial factors- including the type of preschool center (public or private), father`s level of education, parents arguing in the presence of their children and corporal punishments by parents- were the main predictors of the aggression.</span></span></p> <p dir="ltr" style="text-align: justify;"><span style="font-size:14px;"><span style="font-family:times new roman;"><span style="color:#008080;"><strong><em>Conclusions:</em></strong> </span>According to the results of the study, it seems that individual and familial factors are the main predictors of physical and verbal aggression in children. Therefore, the special attention must be paid to these two factors for preventing.</span></span></p> Aggression, Risk Factors, Preschool Child, Predictors 39 44 http://caspianjp.ir/browse.php?a_code=A-10-57-1&slc_lang=en&sid=1 Somayeh Shirkosh shirkosh.s@hotmail.ph 1003194753284600827 1003194753284600827 Yes Non-Communicable Pediatric Diseases Research Center, Health Research Institute Mahshid Mirzaie 1003194753284600828 1003194753284600828 No Faculty member of Guilan University of Medical Sciences Rasul Tabari 1003194753284600829 1003194753284600829 No Faculty member of Guilan University of Medical Sciences Ehsan Kazemnejad Leili 1003194753284600830 1003194753284600830 No Faculty member of Guilan University of Medical Sciences Maryam Rostami 1003194753284600831 1003194753284600831 No Non-Communicable Pediatric Diseases Research Center, Health Research Institute