Asrial
University of Jambi

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PjBL-STEM Integrated Multiple Representation-Based Digital Teaching Materials to Improve Problem-Solving in Chemical Equilibrium Haryanto; Sutrisno; Winda Sitia Elisabeth Sinaga; Asrial; Wilda Syahri; Yusnaidar
Jurnal Pendidikan Kimia FKIP Universitas Halu Oleo Vol. 10 No. 3 (2025): December 2025
Publisher : Jurusan Pendidikan Kimia Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36709/jpkim.v10i3.202

Abstract

Problem-solving skills can be achieved through the presentation of materials in teaching materials using models and approaches that guide students to solve problems related to the topic of chemical equilibrium. This research aims to develop integrated digital teaching materials based on PjBL-STEM with multiple representations, determine feasibility through expert validation, teacher assessment, student responses, and the effectiveness of teaching materials on problem-solving skills. This research and development (R&D) uses a multimedia design model. The results showed ratings in the very good category from material experts, media experts, teachers, and student responses. It is effective in enhancing problem-solving skills in the sub-topic of equilibrium concepts and equilibrium shifts, and sufficiently effective in improving problem-solving skills in the sub-topic of equilibrium constants.