The contribution of the mental motivation in knowledge achievement of some basic skills in volleyball for the students of the second stage in the college of physical education and sports sciences University of Diyala

The Psychological skills have significant and effective aspect in the sport field because they are complementary to the physical and skilful aspects in team sports games in general and specially in volleyball . Therefore , the study aims at recognizing the percentage of contribution of the mental motivation in knowledge achievement of some basic skills in volleyball for the students of the second stage in the college of physical education and sports sciences University of Diyala.The researchers, through specifying the problem of the study, that there is clear weakness in the psychological aspects. And this affects negatively on the knowledge achievement and learning the basic skills in volleyball. Thus the researchers suggested that through recognizing that aspect, by the mental motivation method, may help the teachers in developing the game.The descriptive method is adopted and implemented on a sample of a randomly selected (20) students from the second stage in the college of physical education and sports sciences. Using the statistical treatments, the researchers come up with many conclusions, the most important of which, is that there is a contribution percentage between the scale of mental motivation and the Knowledge achievement on one side, and the currently studied skills with the percentage of ( 0. 352 ) Here is corporeal correlation between the mental motivation and the serve skill. The researchersmade some recommendations, the most important of which, is that the necessity of typifying the a scale of mental motivation on other team sports games to recognize the percentage of its contribution. Moreover, constructing knowledge achievement test for all the basic skills in volleyball