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All Journal Jurnal Infinity AKSIOMA: Jurnal Program Studi Pendidikan Matematika JIPM (Jurnal Ilmiah Pendidikan Matematika) Jurnal Edukasi Matematika dan Sains Al-Jabar : Jurnal Pendidikan Matematika Al Ishlah Jurnal Pendidikan Jurnal Penelitian Pendidikan IPA (JPPIPA) Indonesian Journal of Science and Mathematics Education JURNAL EKSAKTA PENDIDIKAN (JEP) Jurnal Cendekia : Jurnal Pendidikan Matematika Jurnal Basicedu JETL (Journal Of Education, Teaching and Learning) Global Conference Index Jurnal Perspektif KOLOKIUM: Jurnal Pendidikan Luar Sekolah Pelita Eksakta Jurnal Ilmiah Matematika dan Pendidikan Matematika (JMP) Jurnal Nuansa Akademik: Jurnal Pembangunan Masyarakat Journal of Social Research Jurnal Basicedu Rangkiang Mathematics Journal JDIME: Journal of Development and Innovation in Mathematics Education Jurnal Edukasi dan Penelitian Matematika Jurnal Infinity Mathematics Education Journal Media Pendidikan Matematika
Yerizon Yerizon
Fakultas Ilmu Pendidikan UNP
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Social Sciences Other

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Journal : Rangkiang Mathematics Journal

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The Effect of Problem-Based Learning Model on Junior High School Students' Self-Efficacy in Mathematics Zaini, Muhammad; Yerizon, Yerizon; Arlis, Abel Garcia; Fitriani, Nadya
Rangkiang Mathematics Journal Vol. 4 No. 2 (2025): Rangkiang Mathematics Journal
Publisher : Department of Mathematics, Universitas Negeri Padang (UNP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/rmj.v4i2.67

Abstract

Mathematics is an important part of science education and plays an important part in lots of aspects of life. However, students' low self-efficacy in mathematics is often an obstacle in learning. Low self-efficacy can inhibit students' confidence in solving problems and impact on their learning outcomes. One method that might be utilized to improve students' self-efficacy is the Problem-Based Learning (PBL) model. This search aims to analyze the impact of PBL models on their self-efficacy in learning mathematics. This research used quasi-experiment method with Nonequivalent Posttest Only Control Group design. The research sample consisted of fifty-two seventh grade students of SMP IT Madani Islamic School Payakumbuh who were divided into experimental and control groups. The experimental group was treated with PBL model, while the control group used conventional learning. Data was collected through self-efficacy questionnaire and analyzed descriptive and inferential statistical tests. The findings revealed that pupils who studied with PBL models had higher self-efficacy compared to students who used conventional learning models. In conclusion, the application of PBL can increase students' self-efficacy in learning mathematics because this method encourages active involvement, contextual problem solving, and reflection on the thinking process. This research shows the urgency of implementing PBL in mathematics learning to significantly improve students' confidence and learning outcomes.
Analysis of Students' Errors Based on Newman's Errors in Solving Mathematical Reasoning Problems Zulhafendi, Redy Williantama; Yerizon, Yerizon; Dwina, Fitrani; Sari, Shinta
Rangkiang Mathematics Journal Vol. 5 No. 1 (2026): Rangkiang Mathematics Journal
Publisher : Department of Mathematics, Universitas Negeri Padang (UNP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/rmj.v5i1.91

Abstract

Mathematical reasoning is one of the essential competencies that students must possess to face the challenges of 21st-century learning. However, many students still struggle to solve problems that assess their mathematical reasoning. This study aims to analyse the types of errors students make using Newman’s Error Analysis procedure. The research employed a descriptive qualitative method, with 37 twelfth-grade high school students selected through purposive sampling. Data were collected through a mathematical reasoning ability test and interviews. The quantitative data from the test were analysed descriptively to identify error patterns, while the qualitative data from interviews were analysed thematically through data reduction, data display, and conclusion drawing. Most students made errors in three main stages, namely understanding the problem concept, transforming verbal information into appropriate mathematical representations, and applying mathematical procedures or algorithms correctly. Furthermore, the analysis showed that conceptual misunderstanding was the most prevalent type of error, often leading to subsequent transformation and process-skill errors. These findings suggest that teachers need to design learning interventions that strengthen conceptual comprehension and develop students’ systematic problem-solving strategies.
Co-Authors Abda Abda Afniati, Ilhami Ahmad Fauzan Ali, Fitrah Hanifa Alimatu Saqdiah Arlis, Abel Garcia Armiati Armiati Armiati Arnellis Arnellis Arnellis, Arnellis Aryanti, Letty Aryasandy, Nensy Asmar, Ali Asrar, Astari Atika Sari Baehaqi Benti Yulius, Benti Cholis Sa’dijah Daharnis Daharnis Dessela, Syilvi Desyandri Desyandri Dewantari, Juitama Dewi Agustyani, Anggit Reviana Dewi Murni Dwina, Fitrani Edwin Musdi Elwijaya, Fadiah Fitria, Yanti Fitriani, Nadya Fridgo Tasman Ginting, Metamya Aisy Gunawan, Rilla Gina Hafizah Delyana, Hafizah Hafizatunnisa, Hafizatunnisa Harahap, Adek Nilasari Harisman, Yulyati Haswenova, Fadhilah Hendrajah, Apdyan Dwi Herlina, Feni Hevardani, Kelly Angelly Hidayah, Irma Rachmah Hrp, Diah Maya Fitrih I Made Arnawa Irwan Irwan Irwan Irwan Ismet Ismet, Ismet Jamaan, Elita Zusti Jamaan, Elita Zuzti Khairunnisa, Nurul Maulina Kurniawan, Arifin Lathiful Anwar Leni, Nofri Linda Wati Meisa Kurnia Melisa Melisa Mudjiran Muhammad Zaini Muthia Rahmi, Muthia Nazarlin, Nazarlin Nisa, Sahrun Nurhadi, Muhammad Nurhizrah Gistituati Nurvitasari, Septia Permana, Dony PS, Muktabar Annurul Purwoko, Agus PUTRI WAHYUNI Putri Yuanita Putri, Febby Fauzila Ramadoni, Ramadoni Rozika, Eri Sakinah, Hanifatus Sari, Shinta Sari, Tita Purnama Shalina, Ella Tirta Sifa, Friska Falah Sri Novia Martin Suherman, Suherman Sumarwati Suparjo, Andi Suradi, Rahmat Ridho Suske, Ihksan Apria Syaputra, Hamdani Syarifuddin, Hendra Syarifuddin, Hendra Umi, Faridatul Wandila, Sephia Widya Novita Sari Yarman Yarman, Yarman Yolanda, Rendy Novri Yulyanti Harisman Yustianingsih, Rizza Zafirah, Afifah Zulhafendi, Redy Williantama Zulnaidi, Hutkemri