AU - محمد، فرهنك فرج AU - قادر، عباس مجيد AB - The importance of research in the attempt of the researcher to use three methods of competitive differentiation during the process of teaching the skills of volleyball and knowledge of their effects on the achievement of knowledge and the technical performance of some of the skills of volleyball students styles have an advantage in the process of teaching skills (in search). The problem of research in research is to find other methods and to know the impact of competitive differentiation methods and the use of interactive video in the cognitive achievement of some skills, because this game is one of the games that fall within the curriculum of students of the faculties of physical education and sports sciences. The objectives of the research are to develop an educational curriculum in competitive differentiation methods, using interactive video to teach some volleyball skills to students, and to identify the effect of competitive differentiation methods (self, pair and collective using interactive video) on the level of volumetric knowledge in the research sample. Through the application of the curriculum, the researcher found that the three methods of competition (the style of individual competition, the method of marital competition and the method of collective competition) using interactive video in the educational section of the main section led to the development of knowledge level in the three groups of the research sample, moral significance among the three groups in cognitive achievement. (Published abstract) http://search.shamaa.org/abstract_en.gif OP - ص ص. 1-10 T1 - أثر أساليب التمايز التنافسي باستخدام الفيديو التفاعلي في التحصيل المعرفي لبعض مهارات الكرة الطائرة للطلاب [مقال] UL - http://search.shamaa.org/PDF/Articles/IQJssd/JssdVol11No36Y2019/jssd_2019-v11-n36_001-010.pdf النص الكامل (PDF) 1 http://search.shamaa.org/fulltext.gif