Abstract

: One of the outcomes from low self-confidence of basketball is aggressive behavior. Helpless feeling caused by low self-confidence could turn an athlete using aggressive behavior as alternate behavior in the interaction with the opponent during a game. The level of the aggression can be seen in the injury rate in that particular sport. This research objective is to find out the relation between self-confidence and the appearance of the aggressive behavior in basketball player. It involves 64 athletes in West Jakarta between 17 to 28 years old. Data that was measured by questionnaires has shown there is a negative association between self-confidence and aggressive behavior in basketball athlete.