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Rasch Validation of a Self-Regulation Instrument in Mathematics Learning for Junior High School Students Aminah Ekawati; Isna Wardiah
Journal of Mathematics Science and Computer Education Vol 6, No 1 (2026): MAY 2026
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jmscedu.v6i1.18388

Abstract

Although self-regulation instruments have been widely developed, differences in respondent characteristics and the context of the research area require the development of instruments appropriate to the conditions. Nonetheless, few studies have particularly validated self-regulation tools for junior high school children in mathematics learning employing a Rasch measuring approach. This study focuses on developing and validating a self-regulation instrument for junior high school students in mathematics learning through the Rasch model, which involves analyzing reliability, validity, item difficulty levels, and the alignment between respondent abilities and item difficulty levels. The validity consists of item fit and unidimensionality. The instrument was developed through a synthesis of several theoretical frameworks and simplified into three main dimensions, namely cognitive and metacognitive regulation, motivational and emotional regulation, and behavioral and social regulation, which consisted of 12 four-choice Likert scale statements. The subjects of this research were 60 eighth-grade students at a public junior high school in Banjarmasin City. Data analysis was performed using Winsteps 4.7.0 and RStudio 4.5.2 software. The results of the analysis showed that the instrument had good reliability, namely Cronbach's Alpha = 0.869, WLE Reliability = 0.873, and EAP Reliability = 0.872, and satisfactory construct validity, supported by acceptable item fit and unidimensionality based on PCA of residuals. These findings support the unidimensionality of self-regulation within a Rasch framework in mathematics learning and present a context-specific validated instrument with three dimensions, operationalized into 12 theoretically grounded items for diagnosis.
Workshop Perangkat Pembelajaran PjBL Berbasis Deep Learning Winda Agustina; Rahmita Yuliana Gazali; Abdul Jabar; Aminah Ekawati; Dina Huriaty; Muhammad Royani; Benny Nawa Trisna; Arifin Riadi
Abdimas Mandalika Vol 5, No 4 (2026): Juni
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/am.v5i4.39266

Abstract

Abstract:  21st-century mathematics education demands the application of approaches that can develop conceptual understanding, critical thinking skills, creativity, and student collaboration. One of the relevant approaches is deep learning, but its implementation in schools still faces various challenges, especially the limited understanding of teachers in selecting learning models and developing appropriate teaching materials. This community service activity aims to facilitate MTs Tabalong teachers and teachers involved in the Mathematics MGMP throughout the city of Banjarmasin in designing and implementing Project-Based Learning (PjBL) based learning tools with a deep learning approach. The activity was conducted using a participatory training approach thru four stages: problem identification, preparation, implementation, and evaluation, with a hybrid implementation model. The participants of the activity numbered 80 teachers, consisting of 30 teachers from MTs Tabalong and 50 teachers from SMA/MA or equivalent. Data were obtained thru teacher response questionnaires and the review of teaching materials. The results show a very positive response, the material is considered relevant and beneficial, and it enhances teachers' understanding and readiness. Although the number of devices produced is not yet optimal, their quality has reflected the main characteristics of PjBL and deep learning. These findings indicate that the workshop is effective as an initial step in enhancing pedagogical competence and needs to be followed up with continuous mentoring.Abstrak: Implementasi pendekatan deep learning dalam pembelajaran matematika di sekolah masih menghadapi kendala, terutama keterbatasan guru dalam merancang perangkat pembelajaran yang sesuai. Kegiatan pengabdian kepada masyarakat ini bertujuan memfasilitasi guru MTs Tabalong dan guru yang tergabung dalam MGMP Matematika se-Kota Banjarmasin dalam merancang dan mengimplementasikan perangkat pembelajaran berbasis Project-Based Learning (PjBL) dengan pendekatan deep learning. Kegiatan dilaksanakan menggunakan pendekatan pelatihan partisipatif melalui empat tahapan, yaitu identifikasi masalah, persiapan, pelaksanaan, dan evaluasi, dengan model pelaksanaan hybrid. Peserta kegiatan berjumlah 80 guru, terdiri atas 30 guru MTs Tabalong dan 50 guru SMA/MA sederajat. Data diperoleh melalui angket respon guru dan telaah perangkat pembelajaran. Hasil menunjukkan respon sangat positif, materi dinilai relevan dan bermanfaat, serta meningkatkan pemahaman dan kesiapan guru. Meskipun jumlah perangkat yang dihasilkan belum optimal, kualitasnya telah mencerminkan karakteristik utama PjBL dan deep learning. Temuan ini menunjukkan bahwa workshop efektif sebagai langkah awal peningkatan kompetensi pedagogik dan perlu ditindaklanjuti dengan pendampingan berkelanjutan.