أثر وحدات تعليمية وفقا لأنموذج بادلي و هيتش في تعلم مهارة الإرسال الموجه من الأسفل للأمام بكرة الطائرة للطلاب

الملخص EN

The research consisted of four chapters, the first chapter included the definition of the research, and it dealt with the research problem, the objectives of the research and the research hypotheses as well as what it includes for the limits and fields of the search and the definition of the most important terms.

And experimental, as well as discussion of all results, in order to investigate the validity of the hypotheses.

As for the fourth chapter, it contains conclusions and recommendations.