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All Journal Didaktika: Jurnal Kependidikan Riemann : Research of Mathematics and Mathematics Education Hipotenusa: Journal of Mathematical Society
Sugiman
Universitas Negeri Semarang
Education Languange, Linguistic, Communication & Media Mathematics Other

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Analisis Dedikasi Kepala SMP Negeri/Swasta dalam Jambore GTK Hebat Tingkat Nasional Tahun 2024 Sutirna; Sugiman; Alfa Amirachman
Didaktika: Jurnal Kependidikan Vol. 14 No. 1 Februari (2025): Didaktika Jurnal Kependidikan
Publisher : South Sulawesi Education Development (SSED)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58230/27454312.1542

Abstract

Jambore GTK Hebat Tahun 2024 diselenggarakan sebagai bentuk apresiasi terhadap Guru dan Tenaga Kependidikan (GTK) yang telah berkontribusi dalam meningkatkan kualitas pendidikan di Indonesia. Kegiatan ini dilaksanakan oleh Kementerian Pendidikan, Kebudayaan, Riset, dan Teknologi melalui Direktorat Jenderal Guru dan Tenaga Kependidikan. Penilaian dalam jambore ini dilakukan melalui dua kategori, yaitu esai dan wawancara. Penilaian esai didasarkan pada karya tulis yang menggambarkan aksi nyata yang telah dilakukan oleh GTK, sedangkan wawancara dilaksanakan secara daring dengan tiga juri untuk menilai pemahaman serta implementasi aksi nyata di lingkungan sekolah. Dari total 34 finalis yang mewakili seluruh provinsi di Indonesia, dipilih lima peserta terbaik dalam kategori Dedikasi Kepala SMP. Hasil penelitian ini menunjukkan bahwa pemimpin sekolah yang memiliki dedikasi tinggi memainkan peran penting dalam memajukan sekolah, meningkatkan kualitas guru, serta memberikan dampak positif bagi peserta didik. Terpilihnya lima kepala sekolah berdedikasi sebagai pemenang menegaskan bahwa kepemimpinan yang berorientasi pada aksi nyata dan inovasi merupakan faktor utama dalam meningkatkan mutu pendidikan. Temuan ini menjadi contoh inspiratif bagi seluruh GTK di Indonesia dalam mengembangkan profesionalisme dan dedikasi dalam dunia pendidikan.
Effectiveness of Multisensory-Based Statistical E-Comic with Collaborative Learning to Enhance Deaf Students’ Mathematical Connection Sugiman; Najma Fatikasari; Emi Pujiastuti; Muh. Fajar Safaatullah; Endang Sugiharti
Hipotenusa: Journal of Mathematical Society Vol. 8 No. 1 (2026): Hipotenusa : Journal of Mathematical Society
Publisher : Program Studi Tadris Matematika Universitas Islam Negeri (UIN) Salatiga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18326/hipotenusa.v8i1.5326

Abstract

Deaf students face challenges in understanding abstract mathematical concepts, especially the material of data concentration measures, due to limited verbal communication and lack of learning media that suits their characteristics. This study aims to examine the effectiveness of statistical e-comic based on multisensory approach integrated with collaborative learning model in improving mathematical connection ability of deaf students. The research approach used is mixed-methods with Single Subject Research (SSR) design type A-B-A. The subjects consisted of three deaf students of class VIII-B in SLB Negeri Ungaran who were purposively selected. Data collection techniques included mathematical connection tests, learning observations, semi-structured interviews, and visual documentation. Quantitative data was analysed using visual inspection charts within and between conditions, while qualitative data was analysed through reduction, presentation, interpretation, and conclusion drawing. The results showed that statistical e-comic media was effective in significantly improving deaf students' mathematical connections, both from cognitive (concept understanding), affective (motivation and attitude), and psychomotor aspects (digital skills and participation). The conclusion shows that statistical e-comic with multisensory approach and collaborative learning is able to bridge the gap of mathematical understanding contextually and applicatively.
Effect Of Augmented Reality-Based Textbook On Geometry Spatial Ability Of Deaf Students: A-B-A SSR Lia Arum Puspitasari; Sugiman
Riemann: Research of Mathematics and Mathematics Education Vol. 8 No. 1 (2026): EDISI APRIL
Publisher : Program Studi Pendidikan Matematika Universitas Katolik Santo Agustinus Hippo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38114/riemann.v8i1.196

Abstract

Mathematical spatial ability plays a crucial role in geometry learning, particularly in visualizing and manipulating three-dimensional objects. However, students with hearing impairment often face difficulties in developing spatial reasoning due to limited access to dynamic and interactive visual learning media, which can hinder their overall performance in geometry and related subjects. Although Augmented Reality (AR) has been widely implemented in mathematics education, empirical evidence on its effectiveness in improving spatial ability among deaf students, particularly using a Single Subject Research (SSR) design, remains limited. This study aims to examine the effect of an AR-based mathematics textbook on the mathematical spatial ability of three deaf students at a special senior high school (SMALB). A mixed-methods embedded design was employed, with quantitative data collected using a Single Subject Research (A1–B–A2) model and qualitative data obtained from observations, interviews, and questionnaires to explore students’ learning experiences. Quantitative data were analyzed using visual and quantitative techniques in a single-subject research design. The findings indicate consistent improvement during the intervention phase, supported by positive trend direction, clear level changes, immediacy of effect, and 0% data overlap between baseline and intervention across subjects. These results provide evidence of the effectiveness of AR-based mathematics textbooks in improving and sustaining mathematical spatial ability within the observed cases of deaf students in geometry learning.
Co-Authors Alfa Amirachman Emi Pujiastuti Endang Sugiharti, Endang Lia Arum Puspitasari Muh. Fajar Safaatullah Najma Fatikasari Sutirna