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All Journal JPMI (Jurnal Pembelajaran Matematika Inovatif)
Yeyen Nuraeni
IKIP Siliwangi
Mathematics

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Peningkatan kemampuan pemecahan masalah matematis siswa SMP melalui model problem based learning: Studi kuasi eksperimen pada materi bilangan bulat Yeyen Nuraeni; Indah Puspita Sari; Risma Amelia
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 9 No. 3 (2026): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v9i3.31501

Abstract

This research examines the impact of the Problem-Based Learning (PBL) model on students' mathematical problem-solving proficiency in the context of integers. Adopting a quasi-experimental design, 54 seventh-grade students were assigned to either an experimental or control group. Statistical analysis—including normality, homogeneity, N-gain, and independent t-tests—indicated that the experimental group significantly outperformed the control group (N-gain of 0.84 vs. 0.54; p < 0.05). These findings suggest that implementing the PBL model provides a more effective pedagogical alternative to conventional methods for improving students' mathematical problem-solving skills.
Co-Authors Amelia, Risma Indah Puspita Sari