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Marjan, Marjan
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The Effectiveness of the Project-Based Learning Model to Enhance High School Students’ Problem-Solving Skills in the City of Mataram, West Nusa Tenggara Lestari, Sri Suci; Rayis, Widuri Permata Anggarbini; Marjan, Marjan
Indonesian Journal of Educational Innovation Vol. 1 No. 3 (2025): September - December
Publisher : Yayasan Siti Widhatul Faeha Salahudin Syawal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65622/ijei.v1i3.153

Abstract

21st-century physics learning requires problem-solving skills, but school practices often remain teacher-centered and formula-oriented. This study aims to analyze the effect of implementing a project-based learning model on 11th-grade students’ problem-solving skills in linear motion at SMA Negeri 2 Mataram. The research used a one-group pretest-posttest design with a purposively selected sample of 71 students. The results indicated strong validity (17 of 20 items were valid) and high reliability (KR-20 = 0.854). The average score went up from 63.24 on the pretest to 70.12 on the posttest. Normality testing confirmed that the data were normally distributed, and the paired sample t-test showed a significant difference (t-value of 5.527 exceeded the t-table value of 2.000). These findings confirm that project-based learning is efficacious in improving students’ problem-solving skills. The PjBL model is effective in developing these skills and can serve as an innovative learning strategy to enhance physics learning in secondary schools.
Co-Authors Adiredjo, Afifuddin Latif Aptini, Mipa Ariansyah Ariansyah, Ariansyah Duwi Purwati Fatihin, Muh. Khairul Hamzah, Hadi Husin Husin, Husin Idhar, Idhar Kurnia, Nova Lestari, Sri Suci Muhammad Masruron Nani Ratnaningsih Rahayu, Diar Veni Rayis, Widuri Permata Anggarbini Rohmatillah, Ismail Efendi : Rohmatillah, Laila Mardiana Rosnawintang, Rosnawintang sari'ah, Hidayahtus Soma, Raden Arya Trimansyah, Trimansyah Utami, Septiana Dwi Wicaksono, Ade Fajar