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This research produces interactive learning media for the subject of One Variable Linear Equation with a contextual approach that is valid, interesting, and practical to reduce learning loss in junior high school students. This study aims to develop interactive learning media to reduce learning loss. The subjects of the feasibility test were 7D grade students and the test subjects were 7D grade students at SMP Al Kautsar Bandar Lampung. The sample used is cluster random sampling. This research is a development research using the ADDIE development model. The data analysis technique used is media and material expert validation analysis, student response questionnaires, ability tests, and effect size tests. The results of this study obtained media expert validation with an average score of 3.31 and an average score of material expert validation was 3.56, both in the "Valid" category. The attractiveness test on the small-scale trial obtained a score of 3.52 (very interesting), and the large-scale trial obtained a score of 3.63 (very interesting). The pretest results have an average value of 48.36 which indicates that learning loss has occurred. The post test results get an average value of 81.21. Based on the results obtained stated that students experienced learning loss. The effectiveness of the product being developed is obtained through an Effect Size test of 0.49 (medium category). This learning media is suitable for reducing learning loss in the material of one-variable linear equations and inequalities.
Hakika et al. (Thu,) studied this question.