the effectiveness of the emotional intelligence training on the aggressiveness among adolescent boys

background: the aggression is one of the most important problems among the adolescences in relation with the others. aggression is an emotion and researches showed that the emotional intelligence might help to better manage. the purpose of this research was to investigate the effectiveness of the emotional intelligence training on the aggression. methods: an experimental design was conducted using pre and post-test including control group. the statistical population included 420 adolescent boys. 120 students were selected and asked to complete boss and perry’s aggression questionnaire. 30 students who have got highest scores were selected and randomly divided into two the experimental and the control group. the experimental group received eight teaching sessions of the emotional intelligence training while the control group did not. at the end the aggression questionnaire completed again. the collected data were analyzed using covariance and t-student test. results: the results showed that the emotional intelligence training decreased the physical, verbal and anger aggression. there was not changed in the level of the student's hostility. conclusion: we can confirm that the emotional intelligence training may reduce aggression in adolescent boys.  introducing emotional intelligence training in the national educational system for secondary school boys highly recommended.