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All Journal Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal)
Sakinah, Kikin
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Agriculture, Biological Sciences & Forestry Chemistry Education Physics

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Efektivitas Penerapan Problem Based Learning (PBL) Berbasis Etnofisika dalam Meningkatkan Pemahaman Konsep pada Pembelajaran Kesetimbangan Benda Tegar di SMA Kartika XIX Bandung Sakinah, Kikin; Arifiyanti, Fitria; Rusnayati, Heni
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 2 (2026): May (Inpres)
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i2.1908

Abstract

Low conceptual understanding of rigid body equilibrium is a persistent challenge in high school physics education, frequently attributed to teacher-centered instructional approaches and the absence of contextually meaningful learning experiences. Although prior studies have explored Problem Based Learning (PBL) and local wisdom-based approaches in isolation, empirical evidence examining the integrated effectiveness of ethnophysics-based PBL—particularly through the traditional game of engklek—on this topic remains scarce. This study aimed to investigate the effectiveness of an ethnophysics-based PBL model in improving students' conceptual understanding of rigid body equilibrium and to examine their responses toward the model. A quasi-experimental design with a Non-equivalent Control Group was employed. The experimental class received ethnophysics-based PBL instruction, while the control class followed conventional PBL. Conceptual understanding was assessed using a reasoned multiple-choice test and analyzed through normalized gain (N-gain), independent samples t-test, and effect size (Cohen's d); student responses were analyzed descriptively. The experimental class achieved a mean N-gain of 0.661 (moderate category), significantly higher than the control class at 0.293 (low category), with a t-test significance value of 0.000 and an effect size of 1.858 (very large category). Student responses fell in the high category with a mean score of 3.90. These findings provide empirical evidence that the ethnophysics-based PBL model effectively enhances students' conceptual understanding of rigid body equilibrium and offers a promising, contextually grounded instructional alternative for secondary physics education.
Co-Authors Arifiyanti, Fitria Heni Rusnayati