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All Journal PESHUM SJME (Supremum Journal of Mathematics Education)
Septiani Yugni Maudy
Universitas Singaperbangsa Karawang, Indonesia
Humanities Education Mathematics Social Sciences

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From Arithmetic to Algebra: Students’ Epistemological Obstacles Redo Martila Ruli; Dadang Juandi; Jarnawi Afgani Dahlan; Septiani Yugni Maudy
SJME (Supremum Journal of Mathematics Education) Vol 9 No 2 (2025): Supremum Journal of Mahematics Education
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Singaperbangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35706/sjme.v9i2.205

Abstract

The initial algebraic concept typically introduced to students is the linear equation in one variable. One of the earliest difficulties students encounter with this concept is comprehending the significance of a variable. This study aims to investigate the epistemological obstacles faced by students in acquiring proficiency in linear equations in one variable. A qualitative phenomenological methodology was employed in this research. The participants consisted of 35 eighth-grade students enrolled in a junior high school who had previously studied linear equations in one variable. In the initial phase of the study, the researcher formulated two word problems. The utilization of word problems was intended to elucidate students’ thought processes in articulating their ideas or reasoning in written form. Subsequently, interviews were conducted with four selected students to corroborate the researcher’s interpretation of their written responses. The findings and discussion reveal that the conceptual deficiencies acquired during instruction contributed to the emergence of epistemological learning obstacles among students. This learning obstacle was identified through the solutions proposed by students, which were predominantly arithmetic rather than algebraic. Although the students acknowledged that the problem they were dealing with was related to the concept of linear equations in one variable, the majority still encountered difficulties in providing solutions in the form of a linear equation in one variable., particularly in the forms  and .
Hubungan Antara Self-Efficacy dan Minat Belajar Terhadap Kemampuan Pemahaman Konsep Matematis Siswa SMP Kelas VII Wirda Ardayanti; Septiani Yugni Maudy; Muhammad Daut Siagian
PESHUM : Jurnal Pendidikan, Sosial dan Humaniora Vol. 5 No. 5: Agustus 2026
Publisher : CV. Ulil Albab Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/peshum.v5i5.18283

Abstract

Penelitian menggunakan pendekatan kuantitatif dengan metode korelasional. Populasi penelitian adalah seluruh siswa kelas VII MTs Al Imaroh tahun ajaran 2025/2026 dengan sampel sebanyak 52 siswa yang dipilih menggunakan teknik cluster random sampling. Instrumen penelitian berupa angket self-efficacy, angket minat belajar, dan tes kemampuan pemahaman konsep matematis berbentuk soal uraian. Analisis data dilakukan menggunakan regresi linear berganda melalui bantuan IBM SPSS 25 setelah data memenuhi uji prasyarat analisis. Hasil penelitian menunjukkan bahwa secara parsial self-efficacy tidak memiliki hubungan yang signifikan terhadap kemampuan pemahaman konsep matematis siswa dengan nilai signifikansi sebesar 0,158 > 0,05. Sementara itu, minat belajar memiliki hubungan yang signifikan terhadap kemampuan pemahaman konsep matematis siswa dengan nilai signifikansi sebesar 0,000 < 0,05. Secara simultan, self-efficacy dan minat belajar memiliki hubungan yang signifikan terhadap kemampuan pemahaman konsep matematis siswa dengan nilai signifikansi sebesar 0,000 < 0,05. Nilai koefisien determinasi sebesar 0,291 menunjukkan bahwa self-efficacy dan minat belajar memberikan kontribusi sebesar 29,1% terhadap kemampuan pemahaman konsep matematis siswa. Oleh karena itu, minat belajar menjadi faktor afektif yang perlu diperhatikan dalam pembelajaran matematika untuk meningkatkan kemampuan pemahaman konsep matematis siswa.
Co-Authors Dadang Juandi Jarnawi Afgani Dahlan Muhammad Daut Siagian Redo Martila Ruli Wirda Ardayanti