PENGEMBANGAN STRATEGI PEMBELAJARAN DENGAN PENDEKATAN STEM – PROBLEM BASED LEARNING PADA MATERI LAJU REAKSI DI KELAS XI SMA

Tiara Adelita, Tatang Suhery, Arif Rachman Ibrahim

Abstract


Abstract: Learning Strategy Development With STEM - Problem Based Learning Approach To Reaksi Materials Class XI Senior High School. This research is a development research that aims to produce a valid, practical and effective learning strategies on reaction rate subject. This research conducted in SMAN 11 Palembang in XI IPA 6 as a trial class and XI IPA 3 as a non trial class. The steps in this development research was using ADDIE development’s model that consisting of analysis, design, development, implementation, evaluation and modified with formative evaluation Tessmer. Validity score obtained in expert review test is 4,03 classified as a valid category. Practicality score obtained in one to one test is 4,06 classified as a practical category. Practicality score obtained in small group test is 4,41 classified as a very practical category. Comparison results of average data test in trial classs and non trial class are 83,25 and 77.  Based on data analysis, can be concluded that learning strategies classified as a valid, practical and  effective categories.Keyword : Development Research, STEM – Problem Based Learnig

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