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All Journal Ndrumi : Jurnal Ilmu Pendidikan dan Humaniora AFORE: Jurnal Pendidikan Matematika Jurnal Motivasi Pendidikan dan Bahasa
Ribka Zelin Margaretha Sitepu
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Agriculture, Biological Sciences & Forestry Arts Humanities Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Mathematics Other

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Pengembangan Lembar Kerja Peserta Didik Dengan Pendekatan Matematika Realistik Untuk Meningkatkan Kemampuan Komunikasi Matematis Siswa SMA Di SMA Negeri 2 Kabanjahe Ribka Zelin Margaretha Sitepu; Pargaulan Siagian
Jurnal Motivasi Pendidikan dan Bahasa Vol. 2 No. 1 (2024): Maret : Jurnal Motivasi Pendidikan dan Bahasa
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jmpb-widyakarya.v2i1.2752

Abstract

This research aims to produce an LKPD product with a realistic mathematical approach that is valid, practical and effective for improving students' mathematical communication skills. This research and development is based on the stages of the 4D development model by Thiagarajan which was adapted to 3D including the definition, design and development stages. The subjects in this research were the X-Mipa 1 class of SMAN 2 Kabanjahe, totaling 30 people. Based on the research conducted, the validity of the LKPD obtained an average assessment of 89.47% by material experts and 88.15% by media experts with very valid qualifications. Through a questionnaire on the practicality of LKPD by teachers and students, an average of 90.27% was obtained by teachers and 92.12% by students with very practical qualifications. The implementation of learning by applying LKPD with RME was carried out to see the effectiveness of LKPD in obtaining results, namely achieving classical learning completeness. 86.67%, achievement of learning objectives was achieved in questions 1,2,3,4 and 5 and achievement of efficient learning time, from the effectiveness assessment reference, the LKPD developed was classified as effective. The increase in mathematical communication skills that occurred was an increase in the moderate category with an average gain score of 0.632. Based on the data obtained, it was concluded that the LKPD with RME that was developed met the qualifications of being valid, practical and effective.
MEMANFAATKAN TEORI BELAJAR BEHAVIORISME UNTUK MEMPERKUAT PEMBELAJARAN DEEP LEARNING Chandra Saptanto Juraganda S,; Nasowaauri Laowo; Nora Fransiska Butar-Butar; Purnama Raya Anjelina Situmorang; Ribka zelin margaretha sitepu; Efron Manik; Firman Pangaribuan
Ndrumi : Jurnal Ilmu Pendidikan dan Humaniora Vol 8 No 1 (2025): Ndrumi : Jurnal Ilmu Pendidikan dan Humaniora
Publisher : LPPM Universitas Nias Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57094/ndrumi.v8i1.3115

Abstract

This study aims to examine the utilization of behaviorist learning theory to strengthen deep learning instruction through a systematic literature review approach. Deep learning, as a branch of artificial intelligence, demands high-level conceptual understanding and technical skills. Meanwhile, behaviorist theory offers structured learning principles—such as reinforcement, stimulus-response, and repetition—that are relevant for building disciplined and goal-oriented learning processes. A review of scientific literature from 2020 to 2025 indicates that the application of behaviorist principles can enhance student motivation, concept retention, and technical proficiency in mastering deep learning materials. Positive reinforcement and immediate feedback have been shown to effectively reinforce desired learning behaviors, while systematic repetition improves long-term retention and problem-solving abilities. Furthermore, integrating behaviorist principles into digital learning systems increases the effectiveness of adaptive and self-directed learning. Nevertheless, behaviorism should be combined with cognitive and constructivist approaches to achieve more comprehensive learning outcomes. This study recommends the strategic use of behaviorism as a foundational framework in the design of deep learning instruction in higher education settings.
EKSPLORASI ORNAMEN PENGERET RET TERHADAP KONSEP BANGUN DATAR Ribka Zelin Margaretha Sitepu; Hardi Tambunan; Ruth Mayasari Simanjuntak
Afore : Jurnal Pendidikan Matematika Vol 4 No 1 (2025): AFORE : Jurnal Pendidikan Matematika
Publisher : Universitas Nias Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57094/afore.v4i1.3197

Abstract

This study aims to explore the relationship between the traditional pengeret-ret ornament and the concept of plane figures from an ethnomathematical perspective. The pengeret-ret ornament, a distinctive motif from the cultural heritage of the Indonesian archipelago, was chosen as the object of study due to its rich visual patterns filled with geometric shapes. This research employs a literature study method with a qualitative-descriptive approach. Data sources include scholarly journals, ethnographic articles, and visual references of relevant traditional motifs. The findings indicate that the pengeret-ret ornament contains elements of plane figures such as triangles, squares, parallelograms, rhombuses, and circles. These patterns are arranged symmetrically and repetitively, reflecting geometric concepts such as translation, reflection, and rotation. In addition to their aesthetic and symbolic value, these ornaments also hold great potential as contextual, culturally based media for teaching geometry. Therefore, this research contributes to the development of ethnomathematics teaching materials as well as the preservation of culture through innovative approaches in mathematics education.
Co-Authors Chandra Saptanto Juraganda S, Firman Pangaribuan Hardi Tambunan Manik, Efron Nasowaauri Laowo Nora Fransiska Butar-Butar Pargaulan Siagian Purnama Raya Anjelina Situmorang Ruth Mayasari Simanjuntak