اثر انموذج ( بارمان ) في اكتساب المفاهيم التاريخية و الاحتفاظ بها لدي طلاب الصف الاول متوسط

The study aims at assessing the effect of Barman model in acquiring historical concepts for the first year intermediate school students. The sample of the study is divided into two groups: the controlling group and the experimental one which studies history according to Barman model.