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Yuntawati
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EFEKTIFITAS PROBLEM BASED LAERNING BERBANTUAN GEOGEBRA TERHADAP KEMAMPUAN BERPIKIR KRITIS DAN MINAT BELAJAR SISWA PADA MATERI BANGUN RUANG KUBUS Yuliani, Tri; Masjudin, Masjudin; Yuntawati
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 Nomor 02, Juni 2026 Published
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.51095

Abstract

This study aims to examine the effectiveness of the GeoGebra-assisted Problem Based Learning model on students’ critical thinking skills and learning interest in cube geometry material. This research used a quantitative approach with a quasi-experimental method and a pretest-posttest nonequivalent control group design. The sample consisted of class VIII D as the experimental class and class VIII E as the control class, with 39 students in each class. The instruments were a critical thinking test and a learning interest questionnaire. The results showed that the experimental class’s critical thinking score increased from 37.87 to 80.03 with an N-Gain of 0.68, while the control class increased from 37.72 to 61.38 with an N-Gain of 0.38. Students’ learning interest in the experimental class increased from 48.75 to 87.50 with an N-Gain of 0.76, while the control class increased from 48.75 to 77.50 with an N-Gain of 0.56. These findings indicate that the improvement in the experimental class was higher than in the control class. Therefore, the GeoGebra-assisted Problem Based Learning model is effective in improving students’ critical thinking skills and learning interest in cube geometry material
EFEKTIVITAS PEMBELAJARAN BERBASIS PROYEK BERBANTUAN GEOGEBRA DALAM MENINGKATKAN SELF-EFFICACY MATEMATIS DAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA Febriani, Aulia; Yuntawati; Juliangkary, Eliska
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 No. 2, Juni 2026 Publish
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.55223

Abstract

This study aimed to analyze the effect of Project-Based Learning assisted by GeoGebra on students’ mathematical self-efficacy and mathematical problem-solving ability. This research employed a quasi-experimental method using a nonequivalent control group design with a pretest-posttest pattern. The sample consisted of 88 seventh-grade students of SMP Negeri 6 Mataram selected through cluster random sampling. The experimental class learned through Project-Based Learning assisted by GeoGebra, whereas the control class learned through discovery learning commonly applied by the teacher. Data were collected using a mathematical self-efficacy questionnaire and a mathematical problem-solving test, then analyzed using descriptive statistics, ANCOVA, and multivariate analysis. The results showed that students in the experimental class achieved higher mathematical self-efficacy and mathematical problem-solving ability than those in the control class. The ANCOVA results indicated a significant effect on mathematical self-efficacy (Sig. = 0.000; Partial Eta Squared = 0.489) and mathematical problem-solving ability (Sig. = 0.000; Partial Eta Squared = 0.374). The multivariate analysis also showed a significant simultaneous effect on both variables (Sig. = 0.000; Partial Eta Squared = 0.562). Therefore, Project-Based Learning assisted by GeoGebra is effective in improving students’ mathematical self-efficacy and mathematical problem-solving ability.
Co-Authors FEBRIANI, AULIA Juliangkary, Eliska Masjudin, Masjudin Tri Yuliani, Tri