أثر استراتيجية حل المشكلات في تنمية مهارات التفكير الناقد لدى طلبة الصف التاسع في مادة التاريخ
The aim of this study is to identify the impact of solving- problem strategy in developing the skills of critical thinking for the ninth grade in history where the sample of the study consisted of 60 students from the ninth grade students in Ajloun/ Jordan. The researcher has to prepare the study tool as a valuated assessment that is applied during earlier and delayed phases in the second semester of the academic year 2016- 2017.The study reached the following results: 1) No statistically significant differences of the level of semantics between the average grails of students experimental group and control group of students for assumptions skill. 2) No statistically significant differences at the level of semantics (a=0.1) between the average grades of students experimental group and control group students for conclusion skill. 3) Differences statistically significant at the level of semantics (a=0.1) between the average grades of students for assessment skill. 4) Differences statistically significant at the level of semantics (a=0.1) between the average grades of students and control group students for the skill of extraction. (Published abstract)