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All Journal Didaktik : Jurnal Ilmiah PGSD STKIP Subang
Agung Bakri Sihombing
Universitas Negeri Medan
Education

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Analisis Efektivitas Model Problem Based Learning (PBL) terhadap Peningkatan Hasil Belajar Siswa pada Materi Sistem Persamaan Linear Dua Variabel (SPLDV) Kelas XII SMA Zuhra Munifah Harahap; Jesica Dhea Chyntia; Agung Bakri Sihombing; Dian Armanto
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 11 No. 04 (2025): Volume 11 No. 04 Desember 2025 In Press
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v11i04.9315

Abstract

This study aims to analyze the effectiveness of the Problem Based Learning (PBL) model in improving students’ mathematics learning outcomes on the topic of Systems of Two-Variable Linear Equations (SPLDV). The research subjects were 20 twelfth-grade students of SMA Negeri 1 Percut Sei Tuan, using a quantitative descriptive approach and a one-group pretest–posttest design. The research instrument consisted of an achievement test based on cognitive indicators C4 (analysis), C5 (synthesis), and C6 (evaluation). The results show a clear improvement in students’ learning outcomes after the implementation of PBL. The average pretest score of 16.55 increased to 25.1 on the posttest, while the N-Gain score of 0.63 falls into the medium category. The distribution of learning outcome categories also shifted positively: in the pretest, 7 students were in the low category, 10 in the medium category, and 3 in the high category; whereas in the posttest, no students remained in the low category, 5 were in the medium category, and 15 were in the high category. These findings indicate that the implementation of PBL can enhance students’ analytical skills, problem-solving abilities, and conceptual understanding of SPLDV more deeply, making it an effective instructional model for improving the quality of mathematics learning processes and outcomes.
Co-Authors Dian Armanto Jesica Dhea Chyntia Zuhra Munifah Harahap