摘要：Abstract The present study intends to establish the existence of meaningful statistical differences regarding aggressiveness, between adolescent girls and boys. The target group: 141 high school pupils. Used tests: Buss–Perry Aggression Questionnaire, Hostility Inventory and Freiburg Personality Inventory: the results showed that general aggressiveness of adolescents is higher at 14 years than at 16 years and that the aggressiveness of boys on the whole, but, also, on its components, at 14 years and, also, at 16 years is higher than the aggressiveness of girls, regardless the age. There are no differences among teenagers as far as verbal aggressiveness and rage are concerned.
