摘要：This study aimed to investigate the relationship between role ambiguity and aggression amount among football players in Iranian premier league. The sample population consisted of 72 players with mean age of 26.07 ± 4.07 years-old in football premier League in 2013-2014. Results showed that there was a significant relationship between offensive role ambiguities with aggression in football players. The regression results showed that offensive role ambiguity dimensions significantly predicted the aggression among football players.Therefore, it was concluded that the more players understand their responsibilities and roles they will show the less aggressive behavior.
关键词：Role Ambiguity;Aggression;Premier league;Football Player
