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Apriani Sijabat

Universitas HKBP Nomensen Pematang Siantar

Author-ID : 755573

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Veterinary Other

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DEVELOPMENT OF THE ULOS MODEL TO IMPROVE CULTURE AWARENESS OF PHYSICS EDUCATION STUDENTS Sijabat, Apriani; Sauduran, Golda Novatrasio; Sinaga, Christa Voni Roulina; Sianipar, Julia
JURNAL EDUSCIENCE Vol 12, No 6 (2025): Jurnal Eduscience (JES), (Authors from Thailand, Malaysia and Indonesia)
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jes.v12i6.8016

Purpose – This study aims to describe the development and implementation of the ULOS learning model as an innovation to enhance the love of culture among Physics Education students at Universitas HKBP Nommensen Pematangsiantar (UHKBPNP). The background of this study lies in the urgency to integrate local culture into science education, aiming to strengthen students' cultural identity, foster appreciation for traditional values, and develop positive character alongside academic competencies.Methodology – The research employed a research and development (R&D) design with a sample of 30 Physics Education students. The procedure followed the ADDIE model (Analysis, Design, Development, Implementation, and Evaluation). Instruments included validation sheets for experts, questionnaires for students’ responses, observation sheets for classroom implementation, and pre-test and post-test to measure changes in cultural appreciation. Data were analyzed quantitatively using descriptive statistics and N-gain scores, as well as qualitatively through reflective discussions.Findings – The results indicated that the ULOS model is valid, practical, and effective. Expert validation yielded an average score of 0.91 (very valid). The implementation significantly improved students’ love of culture, with effect size results in the medium to high category. Moreover, students demonstrated a greater awareness of integrating cultural elements into their learning and expressed stronger motivation to preserve local wisdom.Contribution – This study contributes to the enrichment of educational models by integrating ethnopedagogy into science learning. The ULOS model serves as a framework to cultivate cultural awareness and appreciation while simultaneously developing critical thinking skills. The study offers a practical guide for educators and researchers in designing culturally responsive learning models that support the sustainability of local heritage in higher education.

Assessing User Satisfaction in Hadirku Through an Extended TAM Framework Jaya, Aswadi; Zainarthur, Henry; Sijabat, Apriani; Dina, Aulia Rahma; Faturahman, Adam
International Transactions on Artificial Intelligence Vol. 4 No. 1 (2025): November
Publisher : Pandawan Sejahtera Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33050/italic.v4i1.937

The rapid advancement of Information and Communication Technology (ICT) has accelerated the transition from manual, paper based attendance systems toward digital platforms that promote efficiency and environmental sustainability through reduced paper usage. In this context, the Hadirku online attendance platform has been increasingly adopted across educational, organizational, and eventmanagement settings. This study employs the Technology Acceptance Model (TAM), extended with Service Quality, Organizational Support, and Information Security, to examine determinants of User Satisfaction and Continued Usage. A quantitative design was implemented with 200 valid respondents, and SmartPLS was used to assess construct validity and structural relationships. Reliability was strong (Cronbach’s α = 0.77–0.92), and model fit met recommended thresholds (SRMR = 0.057; NFI = 0.91). The study aims to analyze how perceived usefulness, ease of use, service quality, information security, and organizational support influence user engagement with Hadirku. Findings reveal that information security and perceived usefulness significantly predict continued usage intention, while perceived ease of use and organizational support enhance user satisfaction. Users overall reported positive experiences and strong behavioral intention to continue using the platform. This study contributes to digital transformation and Green ICT literature by providing an extended TAM framework that explains sustained engagement with online attendance systems. The results offer practical insights for platform developers and institutions seeking to optimize user trust, system reliability, and sustainable administrative practices.

Development of Science Process Skills Assessment Instrument in Physics Learning at Dr.Wahidin Sudirohusodo Junior High School Medan Apriani Sijabat; Palma Juanta; Festiyed Festiyed
Edumaspul: Jurnal Pendidikan Vol 7 No 1 (2023): Edumaspul: Jurnal Pendidikan
Publisher : Universitas Muhammadiyah Enrekang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33487/edumaspul.v7i1.5920

This study aims to produce a valid and reliable Science Process Skills (KPS) assessment instrument in learning Physics temperature and heat material. The research is a Research and Development study with the ADDIE model. The research was conducted at Dr. Wahidin Sudirohusodo Junior High School in Medan. The sample in the study came from 2 physics education lecturers and 3 physics teachers. The instruments in this study were a 15-item multiple choice KPS test sheet and a validation questionnaire. Data collection techniques in the form of tests and validation questionnaires. The KPS indicators studied were observing, formulating hypotheses, identifying variables, interpreting data, communicating, and applying concepts. Data analysis is quantitative and qualitative data analysis with the help of the SPSS version 21 application. The results validation value of 34%, language validation of 31% and validation of 35% with decent criteria, reliability of 0.862 high criteria. This finding explains that the KPS instrument is very valid and reliable to be used in learning physics temperature and heat material.

IPFS Based Secure and Decentralized Web Architecture A Systematic Review Dhimas Tribuana; Apriani Sijabat; Titih Nursugiharti; Wijaya, Rizky Charles
APTISI Transactions on Management (ATM) Vol 10 No 1 (2026): ATM (APTISI Transactions on Management: January)
Publisher : Pandawan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33050/4z339025

The rapid development of digital technology has driven a transition from Web 2.0 to Web 3.0, where decentralization, user autonomy, and data security have become fundamental priorities. This transition introduces critical challenges in distributed systems, peer-to-peer networking, and security engineering, particularly concerning fault tolerance, data integrity, and resilience against centralized failures. Traditional centralized web architectures often suffer from single points of failure, making them vulnerable to cyberattacks and censorship. This study investigates the InterPlanetary File System (IPFS) as a content-addressed, peer-to-peer distributed storage architecture that enhances decentralized web infrastructures by enabling immutable data validation, node redundancy, and improved resistance to system-level attacks. This study adopts a Systematic Literature Review (SLR) approach to examine the application of IPFS in developing secure and decentralized websites within the Web 3.0 ecosystem. Following PRISMA-guided procedures, recent peer-reviewed studies are systematically analyzed to identify architectural patterns, security mechanisms, and system-level challenges associated with decentralized web hosting. The findings are synthesized to assess the implications of IPFS for data integrity, system resilience, and fault tolerance in distributed environments. These results lead to the conclusion that integrating IPFS into website development represents a strategic step toward creating a more transparent, resilient, and decentralized web ecosystem aligned with the core principles of Web 3.0.

Efficient Machine Learning Acceleration with Randomized Linear Algebra for Big Data Cahyono, Dwi; Sijabat, Apriani; Kamal Arif Al-Farouqi
CORISINTA Vol 3 No 1 (2026): February
Publisher : Pandawan Sejahtera Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33050/rw6c2y67

The rapid growth of big data has significantly increased the computational complexity of machine learning models, particularly due to intensive linear algebra operations that limit scalability and efficiency. This study aims to investigate the effectiveness of Randomized Linear Algebra (RLA) as an acceleration strategy for machine learning in large scale data environments. The research adopts an experimental methodology by integrating randomized techniques such as matrix sketching and random projection into standard machine learning pipelines and evaluating their performance against deterministic baseline approaches. Experiments are conducted on large dimensional datasets using multiple machine learning models, with performance assessed in terms of computational time, memory usage, model accuracy, and scalability. The results demonstrate that the proposed RLA based approach substantially reduces computational cost and memory consumption while maintaining comparable predictive accuracy to conventional methods. These findings indicate that randomized techniques provide an effective trade off between efficiency and accuracy, enabling scalable machine learning for big data applications. In conclusion, this study contributes to the advancement of efficient Artificial Intelligence (AI) systems by demonstrating that RLA can serve as a practical and scalable solution for accelerating machine learning computations in big data contexts, aligning with the growing demand for resource efficient and high performance AI infrastructures.

Implementasi Pelaksanaan Kampus Mengajar Angkatan 6 di SD Negeri 091257 Gunung Hataran Kabupaten Simalungun Apriani Sijabat; Martua Reynhat Sitanggang Gusar; Marthin Fransisco Manihuruk; Anita Debora Simangunsong; Fine Eirine Siahaan
Jurnal Pengabdian Masyarakat Indonesia (JPMI) Vol. 1 No. 3 (2024): Februari
Publisher : Publikasi Inspirasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62017/jpmi.v1i3.886

Program Kampus Mengajar merupakan sebuah inisiatif yang bertujuan untuk meningkatkan kualitas pendidikan di sekolah mitra khususnya daerah terpencil melalui partisipasi aktif mahasiswa dan Dosen Pembimbing Lapangan dari perguruan tinggi. Saat ini program kampus mengajar sudah memasuki Angkatan ke 6 (KM6). Program ini melibatkan kolaborasi antara perguruan tinggi, sekolah mitra dan dinas pendidikan untuk menciptakan lingkungan pembelajaran yang lebih baik bagi anak-anak di sekolah penugasan. Kegiatan pengabdian kepada Masyarakat melalui program kampus mengajar memberikan kesempatan bagi mahasiswa untuk berkontribusi secara langsung dalam pembangunan pendidikan di Indonesia. Melalui pengalaman mengajar di sekolah penugasan, mahasiswa dapat mengaplikasikan pengetahuan dan keterampilan mereka dalam dunia nyata dan menjadi agen perubahan dalam sistem pendidikan. Kegiatan Pengabdian KM 6 ini dilakukan di kabupaten Simalungun yaitu di SD Negeri 091257 Gunung Hataran yang dilaksanakan pada bulan Agustus-Desember 2023. Program Kampus Mengajar 6 ini memiliki potensi besar dalam meningkatkan kualitas pendidikan di sekolah mitra dan menciptakan perubahan positif dalam masyarakat. Ruang lingkup kegiatan KM6 ini mencakup pembelajaran di semua mata pelajaran yang berfokus literasi dan numerasi, adaptasi teknologi, dan bantuan administrasi manajerial sekolah. Adapun implementasi dari KM6 ini yaitu bahwa Program KM 6 yang telah dirancang seperti peningkatan literasi dan numerasi, adaptasi teknologi,program kerja pelestarian lingkungan serta pengelolaan administrasi perpustakaan, semuanya dapat terlaksana dengan baik di sekolah penugasan dan program ini rencananya akan diteruskan pihak sekolah meskipun tim KM 6 sudah selesai melaksanan tugasnya.

Akselerasi Pemulihan Ekonomi Masyarakat Pasca Bencana Melalui Inovasi Pakan Ikan Mandiri Berbasis Buah Campnosperma auriculatum Desa Lancat Sianipar, Herna Febrianty; Sianturi, Tambos; Siahaan, Theresia Monika; Sijabat, Apriani; Sinaga, Christa Voni Roulina; Simanjuntak, Bernard
Abdimas Mandalika Vol 5, No 3 (2026): April
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/am.v5i3.38527

Abstract: The natural disaster in Lancat Village caused significant damage to fisheries infrastructure and crippled the economy of local fish farmers due to the high cost of commercial feed. This community service program aims to accelerate economic recovery through innovative, independent fish feed based on the use of Campnosperma auriculatum (Terentang) fruit as an alternative raw material. The implementation method consisted of four main stages: outreach and data collection on damaged facilities, technical training on feed formulation, intensive production assistance, and economic performance evaluation. The results of the activity showed an increase in the community's technical skills in feed nutritional formulation from 10% to 80%. The use of this innovative feed significantly reduced variable production costs by 40% and increased farmer profit margins per harvest cycle. The success of this program not only restored post-disaster production capacity but also created a sustainable, circular economic model based on local resources. The transformation of the community from feed consumers to independent producers is a key factor in strengthening the economic resilience of Lancat Village against market fluctuations and future disaster risks.Abstrak: Bencana alam di Desa Lancat telah menyebabkan kerusakan infrastruktur perikanan yang signifikan dan melumpuhkan ekonomi pembudidaya ikan lokal akibat tingginya biaya pakan komersial. Kegiatan pengabdian masyarakat ini bertujuan untuk mengakselerasi pemulihan ekonomi melalui inovasi pakan ikan mandiri berbasis pemanfaatan buah Campnosperma auriculatum (Terentang) sebagai bahan baku alternatif. Metode pelaksanaan dilakukan melalui empat tahapan utama: sosialisasi dan pendataan kerusakan sarana, pelatihan teknis formulasi pakan, pendampingan intensif produksi, serta evaluasi performa ekonomi. Hasil kegiatan menunjukkan peningkatan keterampilan teknis masyarakat dalam formulasi nutrisi pakan dari 10% menjadi 80%. Penggunaan pakan inovasi ini secara nyata mampu menekan biaya variabel produksi sebesar 40% dan meningkatkan margin keuntungan pembudidaya per siklus panen. Keberhasilan program ini tidak hanya memulihkan kapasitas produksi pasca bencana, tetapi juga menciptakan model ekonomi sirkular berbasis sumber daya lokal yang berkelanjutan. Transformasi masyarakat dari konsumen pakan menjadi produsen mandiri menjadi kunci utama dalam memperkuat ketahanan ekonomi Desa Lancat terhadap fluktuasi pasar dan risiko bencana di masa depan.

PENDAMPINGAN LITERASI DAN NUMERASI SERTA PEDULI LINGKUNGAN DI GEREJA HKBP AIR BERSIH Sijabat, Apriani; Gusar, Martua Reynhat Sitanggang; Rajagukguk, Marta Jesika Agustina; Sianipar, Rizky Anadora; Girsang, May Liza Putri; Saragih, Yesa Rohjayani
BERNAS: Jurnal Pengabdian Kepada Masyarakat Vol. 7 No. 2 (2026)
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jb.v7i2.17792

Kemampuan literasi dan numerasi merupakan fondasi utama dalam keberhasilan akademik anak. Namun, masih ditemukan kesulitan dalam memahami bacaan serta menyelesaikan soal matematika, khususnya soal cerita. Kegiatan Pengabdian kepada Masyarakat (PKM) ini bertujuan untuk mendeskripsikan pelaksanaan serta menganalisis dampak program pendampingan literasi dan numerasi melalui bimbingan belajar di Gereja HKBP Air Bersih. Metode yang digunakan adalah pendekatan pendampingan edukatif berbasis komunitas dengan tahapan persiapan, pelaksanaan, dan evaluasi. Hasil kegiatan menunjukkan adanya peningkatan kelancaran membaca, pemahaman isi teks, ketelitian dalam berhitung, serta kepercayaan diri anak Sekolah Minggu. Selain itu, kegiatan Sabtu Bersih bersama Naposo turut menanamkan nilai tanggung jawab dan kepedulian lingkungan. Program ini menunjukkan bahwa gereja memiliki potensi sebagai pusat pendidikan nonformal yang mendukung penguatan akademik dan karakter generasi muda.

Implementation of an Ethnomathematics-Based Project-Based Learning (PjBL) Model to Improve Students’ Numeracy Literacy in the Society 5.0 Era Christa Voni Roulina Sinaga; Apriani Sijabat; Nelly Suka Sihite; Novia Carla Purba; Herna Febrianty Sianipar
Journal of Advanced Sciences and Mathematics Education Vol. 6 No. 2 (2026): Journal of Advanced Sciences and Mathematics Education
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jasme.v6i2.1132

ABSTRACT Background of Study: The development of digital technology in the Society 5.0 era requires university students to possess strong numeracy literacy skills to analyze data, solve contextual problems, and make informed decisions. However, many students still experience difficulties in applying mathematical concepts in real-life contexts. Integrating cultural values through ethnomathematics in learning is considered a potential approach to make mathematics more meaningful and contextual for students. Aims and Scope of the Paper: This study aims to examine the implementation of an ethnomathematics-based Project-Based Learning (PjBL) model to improve university students’ numeracy literacy in the Society 5.0 era. The scope of this research focuses on the integration of local cultural elements into project-based mathematical learning activities. Methods: This study employed a quasi-experimental design using a pretest–posttest approach. The participants were undergraduate students enrolled in a mathematics-related course. Data were collected through numeracy literacy tests, observation sheets, and project assessments. The learning activities required students to develop projects that integrate mathematical concepts with local cultural contexts. Data were analyzed using descriptive and inferential statistical methods. Results: The results indicated that the implementation of the ethnomathematics-based PjBL model significantly improved students’ numeracy literacy. Students demonstrated better abilities in interpreting numerical data, solving contextual mathematical problems, and communicating quantitative reasoning. In addition, the integration of cultural contexts increased students’ engagement and learning motivation. Conclusion: The ethnomathematics-based PjBL model is effective in improving university students’ numeracy literacy and can serve as an innovative learning approach to support the development of 21st-century skills in the Society 5.0 era.

VALIDITAS BUTIR SOAL IPA FISIKA SMP VII Dr WAHIDIN SUDIROHUSODO Juanta, Palma; Sijabat, Apriani; Festiyed, Festiyed; Yerimadesi, Yerimadesi
Jurnal Tunas Pendidikan Vol. 6 No. 1 (2023): JURNAL TUNAS PENDIDIKAN
Publisher : LPPM Universitas Muhammadiyah Muara Bungo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/pgsd.v6i1.1253

The aim of the study was to measure and find out the validity of the points in Science Physics questions for class VII SMP Dr. Wahidin Sudirohusodo regarding the subject matter of temperature and heat through a quantitative descriptive approach and data collection techniques which were carried out using a test technique in the form of temperature and heat questions totaling 25 items in the form of multiple choices. The population used was all students of class VII SMP Dr. Wahidin Sudirohusodo as many as 224 students spread over 7 parallel classes, 40 students were taken randomly. The sampling technique used is simple random sampling. Data were analyzed using the Anates program version 4 for windows. The results showed that the level of validity of the questions was moderate, namely 0.42. Keywords: Validity, Problem, Science Physics

Co-Authors A. Asrizal Abdul Razak Abdul Razak Ady Frenly Simanullang Andi Rahmah Andi Sri Rezky Wulandari Anita Debora Simangunsong Anton Luvi Siahaan Aprido Bernando Simamora Asrizal Asrizal Aswadi Jaya, Aswadi Belsasar Sihombing Belsasar Sihombing Christa Sinaga Christa Voni Roulina Sinaga Delhi, Ariana Derlina . Dhimas Tribuana Dina, Aulia Rahma DWI CAHYONO Eva Pasaribu Evi Syuriani Harahap F. Festiyed Faturahman, Adam Febri Yanti Festiyed Festiyed Fine Eirine Siahaan Girsang, Astri Ananta Girsang, May Liza Putri Handoco, Ewin Hardeli Hardeli Herna Febrianty Sianipar Herna Febrianty Sianipar Herna Febrianty Sianipar Herna Febrianty Sianipar Herna Febrianty Sianipar Herna Febrianty Sianipar Herna Febrianty Sianipar Herna Febrianty Sianipar Herna Febrianty Sianipar Herna Febrianty Sianipar Ilwandri Insenalia Sampe Roly Hutagalung Juanta, Palma Julianingsih, Dwi Kalvin Sinaga Kamal Arif Al-Farouqi Lampola Sitorus P Leonie, Natasha Lestari Maria Esterlina Silalahi Lorenzo, Agung Lufri Lufri Lumbangaol, Sudirman T. P Lumbangaol, Sudirman T.P Lumbangaol, Sudirman T.P. Lumbangaol, Sudirman TP Makkah HM Manalu, David Berthony Manik, Heber Marbun, Juliaster Marbun, Lastri Evati Mori Maria Gultom Marlince NK Nababan Marlince NK Nababan Marthin Fransisco Manihuruk Martua Reynhat Sitanggang Gusar Melda Veby Ristella Munthe Motlan . Mungkap Mangapul Siahaan Nanich Framulya Natalina Purba Nelly Suka Sihite Novia Carla Purba Nurliani Manurung Okta Fiani Simamora Osco P Sijabat Osco Parmonangan Siajabat Palma Juanta Palma Juanta Palma Juanta Palma Juanta Palma Juanta Palma Juanta Pane, Eva Pratiwi PANJAITAN, MUKTAR B Partohap S. R Sihombing, Partohap S. R Partohap Sihombing Pasaribu, Sunggul Purba, Rudiarman Rajagukguk, Marta Jesika Agustina Revi Gina Gunawan Rina Devi Romauli Siahaan Rina Siahaan Ronald Hasibuan Roulina, Christa Voni Ruth Angelina Pardede Ruth Angelya Hutapea Sahat Renol HS - -, Sahat Renol HS - Samosir, Hottua Sanggam Magda Lasmaria Siahaan Sanggam Siahaan Santi Mareta Saragih, Yesa Rohjayani Sauduran, Golda Novatrasio Siahaan, Fine Eirene Siahaan, Rina Devi Siahaan, Theresia Monika Siahaan, Vaisal Sianipar, Herlina Hotmadinar Sianipar, Julia Sianipar, Rizky Anadora SIANTURI, TAMBOS AUGUST Sibagariang, Susy Alestriani Sidabutar, Ropinus Sihaloho, Eka Seprianti Sihombing, Lisbet Sijabat, Desi Sijabat, Osco Parmonangan Silitonga, Immanuel Douglas Simamora, Benny Leonardo Simamora, Rianita Simangunsong, Anita Debora Br. Simanjuntak, Bernard Simanjuntak, Tarida Simanullang, Ady Frenly Simatupang, Leo Fernando Simbolon, Ricky Alexcius Sinaga, Asima Rohana Sinaga, Christa Voni Roulina Sinaga, Mardame Pangihutan Sirait, Esti Marlina Sirait, Jumaria Siti Imroatul Maslikah SITINJAK, ERNI KUSRINI Sitorus P, Lampola Sitorus, Ester Sitorus, Peniel Sam Putra Situmorang, Eduward Skunda Diliarosta Sotarduga Sihombing Srinatalia Silaen Sudirman TP Lumban gaol Terizla, Rizky Fredrin Theresia Siahaan Titih Nursugiharti Tumpal Manahara Siahaan Uli Martina Benedicta Purba Welmar Olfan Barat, Welmar Olfan Wijaya, Rizky Charles Yerimadesi Yohandri Zainarthur, Henry

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