AU - النرش، هشام إبراهيم إسماعيل AB - The present study aimed at exploring the effect of using thinking styles training on developing academic studying and achievement skills of a sample contained (48) second grade preparatory stage students who had achieved low scores in the thinking styles scale. The sample of the study was divided into two groups; experimental group contained (25) students (male/ female), and control group contained (23) students (male/ female). Both the experimental and control groups' scores were equivalent in the pre assessment of the instruments of the study. The researcher has implemented the thinking styles scale prepared by Harrison & Bramson, (1982) - Translated by (Magdy Hbib, 1996), studying skills scale (prepared by the researcher), and a training program based on the thinking styles (prepared by the researcher). The results of the study revealed that using the thinking styles has a significant and continuous effect on developing and improving the academic studying and achievement skills of preparatory stage students. (Published abstract) http://search.shamaa.org/abstract_en.gif OP - ص ص. 383-424 T1 - أثر التدریب على أسالیب التفكیر في تنمیة مهارات الإستذكار والتحصیل الدراسي لدى تلامیذ المرحلة الإعدادیة [مقال] UL - http://search.shamaa.org/PDF/Articles/EGAsep/AsepNo62P2Y2015/asep_2015_n62-p2_383-424.pdf النص الكامل (PDF) 1 http://search.shamaa.org/fulltext.gif