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All Journal Journal of Environment and Sustainability Education
Meilani, Arina
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Chemistry Education Environmental Science Physics Other

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Project-based learning on pascal’s law: A quasi-experimental study on problem-solving skills in environmental contexts Hartini, Sri; Dewantara, Dewi; Meilani, Arina
Journal of Environment and Sustainability Education Vol. 4 No. 1 (2026)
Publisher : Education and Development Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62672/joease.v4i1.144

Abstract

This study examined the effectiveness of a project-based learning (PjBL) module on Pascal’s Law in improving students’ problem-solving skills within environmental contexts. The research employed a non-equivalent control group pretest–posttest design involving two classes of grade XI students at a senior high school in Barito Kuala district. The study groups consisted of a control class (n=21) and an experimental class (n=22). Data were obtained through learning outcome tests and analyzed using normality and homogeneity tests, Mann-Whitney U test, and effect size calculation. The findings reveal that the PjBL module significantly enhanced students’ problem-solving abilities. The most substantial improvements were observed in fact-finding and solution-finding, while moderate progress was identified in objective finding, problem finding, idea finding, and acceptance finding. The effect size reached 0.72 (medium). These findings indicate that the the PjBL module on Pascal’s Law is effective in strengthening problem-solving skill while also fostering environmental awareness and higher-order thinking. The module thus provides an alternative learning resource to support contextual and skill-oriented physics education.
Co-Authors Dewi Dewantara, Dewi Sri Hartini