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Pengembangan Desain Pembelajaran STEM–Multirepresentasi (STEM-MR) untuk Meningkatkan Keterampilan Pemecahan Masalah Mahasiswa pada Materi Mekanika ismet; Ketang Wiyono; Taufiq; Maghfira Aulia
Jurnal Penelitian Pendidikan IPA Vol 12 No 4 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i4.14236

Abstract

This study aims to develop a STEM–Multirepresentation (STEM-MR) learning design for Mechanics and examine its validity, practicality, and effectiveness in improving undergraduate students’ problem-solving skills. The study employed a research and development approach using the ADDIE model. The participants were 37 undergraduate students in the Physics Education Study Program at Universitas Sriwijaya. Data were collected through expert validation sheets, observation sheets, student response questionnaires, interviews, documentation, and pretest–posttest assessments. The STEM-MR design was developed as a seven-phase learning model that integrates STEM inquiry with multirepresentational scaffolding to support problem-solving in Mechanics. The results showed that the design was highly valid, with an average expert validation score of 3.87 on a 4-point scale. It was also very practical, with with a practicality score of 91%. In terms of effectiveness, students’ average scores increased from 52.25% on the pretest to 78.50% on the posttest. The normalized gain was 0.55, which falls into the medium category, and the effect size was 2.53, indicating a very large effect. These findings show that the STEM-MR learning design is valid, practical, and effective for enhancing undergraduate students’ problem-solving skills in Mechanics.
PENGEMBANGAN E-JOBSHEET DENGAN LIVEWORKSHEET UNTUK MENINGKATKAN EFEKTIVITAS PRAKTIK SISWA SMK Amriansyah Alfia; Sardianto Markos Siahaan; Ketang Wiyono; Makmum Raharjo; Erna Retna Safitri
Jurnal Muara Pendidikan Vol. 8 No. 1 (2023): Jurnal Muara Pendidikan, Vol 8 No 1, Juni 2023
Publisher : LPPM Universitas Muhammadiyah Muara Bungo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/mp.v8i1.1177

Abstract

This study uses the Research and Development method which is applied to product assembly skills. This research targets the students of class XII TKR SMKN 1 Sungai Lilin. The research model used was Alessi & Trollip, while the validators came from experts in their respective fields related to this research: material, media, and language experts. This research has produced a valid, practical, and effective product on the product assembly skills e-job sheet to increase the effectiveness of Vocational High School students practice. Material professional validation acquired a rating of 87.2, media professional 87.1, and linguist 88.3 in order that the product evolved became a totally valid category, with a practicality degree of 83.4 labeled as very practical, and an e-job sheet with a powerful live worksheet for growing the meeting of items merchandise with a cost of tcount > ttabel, specifically 16.491 > 2.015 or sig. (2-tailed) < 0.05.