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All Journal Likhitaprajna: Jurnal Ilmiah Fakultas Keguruan Ilmu Pendidikan Universitas Wisnuwardhana Malang MATHEdunesa
Agustin, Dhabitah Mulya
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Education Languange, Linguistic, Communication & Media Mathematics Other

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Efektivitas Pendekatan Pembelajaran PMRI terhadap Hasil Belajar Matematika Siswa SMP Kelas 8 Agustin, Dhabitah Mulya; Prawitia, Aulia Setya; Maulidiah, Hurine Filzah; Indrawatiningsih, Nonik
MATHEdunesa Vol. 15 No. 1 (2026): Jurnal Mathedunesa Volume 15 Nomor 1 Tahun 2026
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v15n1.p166-175

Abstract

Penelitian ini dilakukan untuk mengetahui tingkat keberhasilan penerapan PMRI dalam meningkatkan hasil belajar matematika siswa kelas 8 Sekolah Menengah Pertama, khususnya pada materi SPLDV. Penelitian ini dirancang menggunakan pendekatan one-shot case study, dengan satu kelas yang ditetapkan sebagai kelompok eksperimen tanpa perbandingan dengan kelompok kontrol. Data dikumpulkan melalui tes akhir (post-test) berupa soal uraian yang telah melalui proses validasi dan uji reliabilitas. Hasil studi mengungkapkan bahwa pembelajaran berpengaruh secara signifikan terhadap peningkatan hasil belajar siswa, yang terlihat dari rata-rata nilai post-test mereka mencapai 76,19, naik dari rata-rata sebelumnya sebesar 58,41. Uji normalitas menyatakan bahwa data tersebar secara normal, serta uji-t memberikan hasil bahwa perbedaan signifikan dengan nilai signifikansi 0,000. Temuan ini mengindikasikan bahwa pendekatan PMRI membantu dalam meningkatkan kemampuan siswa memahami konsep-konsep matematika secara lebih mendalam siswa. Pendekatan pembelajaran yang relevan dengan aktivitas dan peristiwa harian siswa melalui pendekatan PMRI ternyata mampu meningkatkan keterlibatan dan motivasi belajar siswa secara lebih bermakna.
Scaffolding and Vignette-Based Learning Strategy to Support Student Attention in Linear Regression Agustin, Dhabitah Mulya; Damayanti, Nia Wahyu
Jurnal Likhitaprajna Vol 28 No 1 (2026): April 2026
Publisher : FKIP Universitas Wisnuwardhana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37303/likhitaprajna.v28i1.966

Abstract

Students with attention difficulties often experience challenges in maintaining focus and sustaining engagement during mathematics learning. This study aimed to examine the implementation of scaffolding integrated with vignette-based learning in supporting student attention during linear regression instruction. This study employed a Single Subject Research (SSR) design using an A–B format, consisting of a baseline phase and an intervention phase. The research subject was one eleventh-grade student from a vocational high school who was selected using purposive sampling based on preliminary observation and teacher information indicating attention difficulties during mathematics learning. Data were collected through structured observation using 30-second interval recording, focusing on four attention indicators: latency, on-task behavior, prompting frequency, and distraction frequency. The data were analyzed using visual analysis to identify changes in level, trend, and variability across sessions. The results showed an increase in on-task behavior and a decrease in prompting frequency, indicating improved engagement and reduced reliance on external assistance. Distraction also decreased, although latency remained variable. The findings suggest that scaffolding integrated with vignette-based learning can support sustained attention and engagement through structured assistance and contextualized instruction. However, attention improvement was not entirely stable, particularly in task initiation.
Co-Authors Indrawatiningsih, Nonik Maulidiah, Hurine Filzah Prawitia, Aulia Setya