<![CDATA[This study was motivated by the limited use of innovative learning media in Social Studies instruction on the topic of buying and selling for fourth-grade elementary school students. Classroom learning was still dominated by conventional teaching methods, resulting in low student engagement and unsatisfactory learning outcomes. This study aimed to develop an interactive e-book as a learning medium, determine its feasibility, examine students' responses, and evaluate its effectiveness in improving learning outcomes. The study employed a Research and Development (R&D) approach using the ADDIE model, which consists of the Analysis, Design, Development, Implementation, and Evaluation stages. The research participants included material experts, media experts, language experts, a fourth-grade teacher, and fourth-grade students at SDN 274 Cempaka Arum. Data were collected through observation, interviews, questionnaires, tests, and documentation. Qualitative and quantitative descriptive analyses were conducted, while the effectiveness of the developed media was analyzed using the Wilcoxon Signed Rank Test and N-Gain analysis. The results indicated that the interactive e-book was feasible for classroom use, with validation scores of 68.75% from the material expert, 90.74% from the media expert, and 86.11% from the language expert. Students also gave highly positive responses to the developed media. Furthermore, the Wilcoxon Signed Rank Test showed a significance value of 0.000 (p < 0.05), indicating a significant improvement in students' learning outcomes. The average N-Gain score of 0.9020 was categorized as high. Therefore, the interactive e-book is considered feasible and effective for supporting Social Studies learning on the topic of buying and selling in elementary schools.]]>
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