AU - النداوي، سميرة محمود حسين. AB - This study aims at knowing the effect of the Strategy of brain storming on the way of the deductive of the Students of the First grade in the Secondary Schools. And in order to investigate and to reach to the aim of the Study and its hypotheses a number of Students have been chosen From Fatma's Secondary School which belongs to the General Educational directorate of Diyala. The Sample Consists of two Classes one of them is experimental and the Second is the required. The Sample of the Study Contains (60) Students i.e. (30) Students in the Experimental Class and (30) Students in the required Class. The researcher conducted them evenly in the variable of (Chronological age measured in months, intelligence, Test of earlier Knowledge, and Test of deductive thinking. The researcher have prepanus a test to measure the Skills of deductive thinking (induction, extracting) Consisting of (30) items in which the reliability, authenticity, the Power of discrimination, and the Coefficient of difficulty) were extracted. This test has been applied before and after. The researcher has prepared the requirements of the study such as the subject matter the Formula of the Behavioral aim, and the outlines for both classes after the checking of the experts, paying attention to their notes, some adjustments have been mude. Moreover the researcher has used the appropriate statistical methods .In the light of the results the researcher reached the following Conclusion: 1) the ability of teaching prepared according to the strategy brainstorming to develop deductive reasoning skills to the students of the experimental group versus the control group. 2) Following the brainstorming strategy grade students to improve their ways of thinking. And this will help them to solve their problems. 3) the teaching of thinking is possible in light of the availability of modern strategies, a versed teacher, material capabilities, and the appropriate condition, for the application. (Published Abstract) http://search.shamaa.org/abstract_en.gif ID - 119976 OP - ص ص. 320-342 T1 - أثر استراتيجية العصف الذهني في تنمية التفكير الإستدلالي لدى طالبات الصف الأول المتوسط في مادة تاريخ الحضارات القديمة [مقال] UL - 1 http://search.shamaa.org/fulltext.gif https://www.iasj.net/iasj/article/96752 النص الكامل (PDF)