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All Journal Kajian Pendidikan Dasar (KAPEDAS)
Rinawati
Magister Pendidikan Dasar, FKIP, Universitas Bengkulu, Indonesia
Education Languange, Linguistic, Communication & Media Mathematics

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Pengembangan Lembar Kerja Peserta Didik (LKPD) Berbasis Problem Based Learning (PBL) pada Materi Ekosistem untuk Meningkatkan Hasil Belajar Kognitif Peserta Didik Kelas V Sekolah Dasar Rinawati; Abdul Muktadir; Endang Widi Winarni
Jurnal Kajian Pendidikan Dasar Vol. 5 No. 2 (2026): September
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/kapedas.v5i2.46542

Abstract

This study aims to develop a Problem-Based Learning (PBL)-based student worksheet (LKPD) on the ecosystem topic to improve cognitive learning outcomes of fifth-grade students. The research employed the ADDIE development model consisting of analysis, design, development, implementation, and evaluation stages. Participants included fifth-grade students and teachers at SD Negeri 2 Bengkulu Selatan. Data were collected using interview guides, questionnaires, validation sheets, and cognitive tests. Results showed that the developed LKPD met expert validation criteria with very high validity across material, language, and design aspects. The LKPD also demonstrated strong practicality based on teacher and student responses. Furthermore, the effectiveness test revealed a significant increase in students’ cognitive achievement, as evidenced by N-gain scores in the moderate-to-high category and improved posttest performance. These findings indicate that PBL-based LKPD can actively engage students in problem-solving, encourage critical thinking, and enhance comprehension of ecosystem concepts. The study concludes that the PBL-based LKPD is valid, practical, and effective for improving cognitive learning outcomes and recommends its broader application in elementary science learning.
Co-Authors Abdul Muktadir Endang Widi Winarni