A comparative study using an analytical program for the level of effectiveness of the attacking volleyball skill

In light of the statistical treatments of the results that were conducted on the research sample, and after presenting, analyzing and discussing the results, the researcher reached The emergence of moral differences in the level of effectiveness of the skill performance of the attack skill in favor of the teams (Iraq - Lebanon - Syria) and the absence of moral differences in the level of effectiveness of the performance of the attack skill of the Palestinian team.