Development of Problem Solving-Based Modules Assisted by Tracker Software to Improve Students' Problem-Solving Skills in High School

This study aims to 1) produce problem solving-based modules assisted by software tracker improve valid problem-solving abilities; 2) solving based tracking practical skills; 3) find out the potential effects of students’ skills. used research and development (RD) methods which refer ADDIE procedure. includes Analysis, Design, Development, Implementation, Evaluation. One ADDIE's stages is modifying stage using Tessmer's evaluation. If it consists self-evaluation, expert review, one one, small group. Data collection was carried observation, interviews, questionnaires/questions. The subjects were class X IPA students at SMA Negeri 3 Sungai Lilin. Based on analysis, data stated be valid, has influence students. results obtained review showed average value from three experts, namely 91.11% for material aspects, 93.33% media 81.11% language aspects. one-to-one a percentage 84.44 % categorized as practical. group response questionnaire score 87.778% 4) field test shows an 44 .2563 in pretest 83.9063 post-test. Therefore, can concluded that module practical, effective