There are still many unanswered questions in relation to the amount of aggressive behaviors and the time they occur in sport situations. Research, also produced conflicting results, and need for illumination exist, especially when a different population is under investigation. The present study designed to describe aggressive behavior in term of their types and frequencies, in five different sports (volleyball, basketball, handball, football, and footsal for both sex). All matches in nation high schools championship (including 302 matches and 1531 players). Were closely observed and all aggressive behaviors were recorded. Results indicated that both sex committed more goal aggressions in loose, win, and equal situations, respectively. The difference between loose and win with equal situation was significant.
In win situations, girls committed more instrumental aggression, and boys committed more assertive behavior. The results are discussed in relation to their significance in the context are discussed in relation to their significance in the context of frustration-aggression. Hypothesis and indicates that aggressive behavior also occur to prevent loosing.