Development of Mathematics E-Comic Media Based On Problem Based Learning To Improve The Problem Solving Ability And Learning Interest of Students of Muhammadiyah Private Junior High School 16 Lubuk Pakam

This research intends to (1) create valid, practical, and successful PBL-based E-Comics media; (2) evaluating Problem-Based Learning-based E-Comics media for problem-solving improvement; (3) examining student enthusiasm in learning with Problem-Based Learning e-comics medium. This study follows the ADDIE model—analysis, design, development, implementation, and evaluation. This study included SMP Muhammadiyah 16 Lubuk Pakam seventh-graders. RPP, LKPD, problem-solving ability exam, and student learning interest questionnaire are used to create e-comic media. The results showed that (1) Media E-Comics based Problem Based Learning (PBL) to improve problem-solving skills and interest in learning met valid criteria with a score of 4.69; (2) The practical criteria in the second practical test included observation of learning using E-Comics media with a score of 88.15%, teacher response of 87.94%, and student response of 90.75%; and (3) E-Comics media meets effectiveness criteria; (i) Problem-solving skills in the effectiveness test I rose by 0.68 with a medium category at pretest and posttest. Comparing posttest I and II values ​​showed that test II was more effective with N-gain 0.43 in the medium category; (ii) increased student interest in learning effectiveness test I with an average of 96.87%, with 8 excellent, 23 good, and 1 sufficient students. effectiveness test II followed with an average of 100%, with 17 excellent and 15 good students.