Özet:

This study is a development research that aims to find out how the results of the development of Student Worksheets problem-based to improve students' mathematical communication skills and self-efficacy. This research was started from a preliminary study, Student Worksheets preparation, Student Worksheets validation, initial field trials, and field trials. The subjects of this study were students of class VIII D MTs Negeri 2 Bandar Lampung in the 2015/2016 academic period. Research data were obtained through mathematical communication tests and self-efficacy scales. The effectiveness test was conducted to determine the effect of Student Worksheets on mathematical communication skills and attitude analysis was carried out to determine the tendency of students' self-efficacy. The results of the preliminary study indicate the need to develop a Student Worksheets problem-based. Preparation of Student Worksheets begins by preparing a Student Worksheets and all its components based on the Student Worksheets preparation guidelines. The validation results show that the Student Worksheets has met the standards for content, suitability and design. Field trial results show that Student Worksheets is included in the good category. Field test results show that The aspect of students' mathematical communication is quite good because more than 75% of students have met the minimum completeness criteria and Self-efficacy of students tends not yet to show changes.

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