Isbadar Nursit
Universitas Islam Malang, Malang, Indonesia

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WHEN THINKING FAILS: MISCONCEPTIONS AND THE ROLE OF COGNITIVE DISSONANCE IN MATHEMATICS TEACHER EDUCATION Surya Sari Faradiba; Alifiani Alifiani; Fadhila Kartika Sari; Isbadar Nursit; Ruhaisa Deramea
Prima Magistra: Jurnal Ilmiah Kependidikan Vol. 7 No. 1 (2026): Volume 7 Number 1 (January 2026)
Publisher : Program Studi PGSD Universitas Flores

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/jpm.v7i1.5810

Abstract

Misconceptions in mathematics persist as a problem in teacher education, often rooted in unresolved cognitive conflicts. This study aims to explore how cognitive dissonance contributes to the formation and persistence of mathematical misconceptions in a prospective mathematics teacher. Conducted at a private university in Malang, Indonesia, this research employs a qualitative case study design with one participant, purposefully selected based on prior conceptual errors. Data were collected through task-based assessments and semi-structured interviews, and were then analyzed thematically. The findings show that the participant exhibited stable misconceptions in key mathematical areas, particularly when encountering information that challenged prior beliefs. Rather than adjusting or restructuring incorrect knowledge, the participant displayed psychological resistance through justification, minimization, and selective attention to confirming evidence. These mechanisms serve to reduce internal discomfort (dissonance) without engaging in conceptual change. As a result, the erroneous mental model is maintained despite exposure to correct information. This highlights the critical role of cognitive dissonance in reinforcing misconceptions through defensive cognitive strategies.
LASKAR ANGKA: PENDAMPINGAN BELAJAR MATEMATIKA UNTUK MENINGKATKAN KEMAMPUAN NUMERASI DI SD KECAMATAN MENTEWE Tri Candra Wulandari; Isbadar Nursit; Audiyah Shinta Bela; Leonora Cristovao Romo
SEPAKAT Sesi Pengabdian pada Masyarakat Vol. 6 No. 1 (2026): SEPAKAT JUNI 2026
Publisher : INTERNATIONAL PENELITI EKONOMI, SOSIAL, DAN TEKNOLOGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56371/sepakat.v6i1.543

Abstract

Program Laskar Angka merupakan program pengabdian kepada masyarakat dalam bentuk pendampingan belajar matematika untuk siswa sekolah dasar. Kegiatan pendampingan ini fokus pada kemampuan numerasi siswa sekolah dasar di Kecamatan Mentewe, Kabupaten Tanah Bumbu, Kalimantan Selatan. Kegiatan Laskar Angka dilaksanakan dalam bentuk pendampingan selama lima minggu, yang di mulai pada bulan Oktober hingga November 2025. Peserta program ini adalah siswa kelas IV sampai dengan kelas VI, dilaksanakan secara tatap muka saat sore hari. Program ini mengintegrasikan pendekatan kontekstual, pemanfaatan media manipulatif sederhana dan teknologi yaitu Wordwall. Hasil program menunjukkan bahwa terdapat peningkatan sebesar 86% dalam menyelesaikan soal numerasi tingkat sekolah dasar secara mandiri. Selain itu, setelah mengikuti program Laskar Angka, siswa tampak lebih antusias dalam belajar matematika dan lebih percaya diri saat di sekolah. Melalui program pengabdian dalam bentuk pendampingan kepada siswa sekolah dasar diharapkan dapat terus berlanjut meski keiatan magang telah usai.