تأثير تغيير الأشكال على الأسس العلمية و دقة أداء بعض الاختبارات المهارية بكرة القدم

الملخص EN

The main idea of this research is to identify the impact of change in some shapes (circle - square -rectangle) on the achievement and scientific bases (validity and consistency) for the precision of some of skill tests in football.

The sample of the research is the junior players of the clubs (Alfutuwh –Albaladayuh -Alamwaj).

The aim of the research is to be acquainted with the best shapes that have their effect on the precision of achievement and the fulfillment of the scientific bases of ( validity and reliability) for the purpose of being acquainted with the best shapes that have their impact on achievement and fulfilling the scientific base of (validity and reliability) for some of the skill tests in football.