<![CDATA[This study aims to determine the feasibility, effectiveness, and practicality of Guided Inquiry-Based Electronic Student Worksheets (E-LKPD) for fifth-grade Science and Social Studies (IPAS) learning at SDN 122371 Pematangsiantar. This study employed the Research and Development (R&D) method using the 4D development model, consisting of Define, Design, Develop, and Disseminate stages. The research subjects consisted of 30 fifth-grade students. Data were collected through interviews, questionnaires, and tests. Product feasibility was assessed through material and media expert validation, practicality through educational practitioner assessments, and effectiveness through pretest and posttest results analyzed using N-Gain. The results showed that the material expert validation obtained a score of 90.66%, categorized as highly feasible, while the media expert validation obtained 92.5%, also categorized as highly feasible. The assessments from two educational practitioners each obtained a score of 86%, indicating that the E-LKPD was highly practical. Students’ learning outcomes increased from an average pretest score of 52.7 to an average posttest score of 85.77. The N-Gain analysis yielded a score of 0.702 or 70.18%, categorized as high. Therefore, the Guided Inquiry-Based E-LKPD is feasible, practical, and effective for use in fifth-grade IPAS learning.]]>
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