DEVELOPMENT STRATEGY OF E-POCKET BOOK TO OPTIMIZE ALGEBRAIC THINKING SKILLS OF JUNIOR HIGH SCHOOL STUDENTS

Adika Artasari, Rina Oktaviyanthi

Abstract


Many middle school students face challenges in developing algebraic thinking skills, which hinders their understanding and application of algebraic concepts. This study aims to develop an E-Pocket Book as a learning medium to optimize middle school students’ algebraic thinking skills. The research employs a development method using the ADDIE model (Analyze, Design, Development, Implementation, Evaluation). The subjects of this study are eighth-grade students from SMPN 14 in Serang City. The research instruments include both tests (cognitive tests) and non-tests (questionnaires). The cognitive test was administered to 59 students during the field trial and 8 students during the limited trial, with the results showing significant improvement in students’ algebraic thinking skills, with increases of 71% and 79%, respectively. The non-test instruments consist of two types of questionnaires: assessment questionnaires and response questionnaires. The assessment questionnaire was given to two subject matter experts, who rated the e-pocket book as feasible (85.2%), and one media expert, who rated it highly feasible (93%). The response questionnaire was distributed to both mathematics teachers and students, with an overall feasibility rating of 80% from teachers and 87% from students. The findings indicate that the e-pocket book is a viable learning medium and effectively enhances students’ algebraic thinking abilities.

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References


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DOI: https://doi.org/10.36987/jes.v11i3.6425

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