أثر استراتيجية شجرة المشكلات في تحصيل مادة التاريخ الحديث لدى طلاب الصف الخامس الأدبي

الملخص EN

The research aims to know the Effectiveness Of Problem's Tree Strategy on The Achievement of Modern History Material For The Students of Fifth Literary Class, In the shed of research, the researcher determined the zero hypothesis: (There is no significant difference at evidence level of (0.

05) between scores average of experimental group's student who studied history up to the strategy of the problem's tree and the average scores of the students who studied the material by the normal method during the achievement test prepared for such purpose), In order to achieve the aim and hypothesis of research, the researcher depended an experimental design that is classified into experimental designs of partial adjustment in the after test for the study achievement for both research's groups.