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All Journal Jurnal Infinity Kreano, Jurnal Matematika Kreatif-Inovatif Journal of Mathematics Education and Application (JMEA) EDUTECH: Jurnal Ilmu Pendidikan dan Ilmu Sosial AKSIOMA JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Numeracy : Jurnal Ilmiah Pendidikan Matematika BAREKENG: Jurnal Ilmu Matematika dan Terapan Jurnal Pendidikan Matematika Raflesia Indonesian Journal of Primary Education JURNAL TARBIYAH Zero : Jurnal Sains, Matematika, dan Terapan AXIOM : Jurnal Pendidikan dan Matematika JURNAL PENDIDIKAN TAMBUSAI Teorema: Teori dan Riset Matematika Jurnal Cendekia : Jurnal Pendidikan Matematika MAJU : Jurnal Ilmiah Pendidikan Matematika Gammath : Jurnal Ilmiah Program Studi Pendidikan Matematika Indonesian Journal of Education and Mathematical Science PHI: Jurnal Pendidikan Matematika Computer Science and Information Technologies Didaktik : Jurnal Ilmiah PGSD STKIP Subang Jurnal Penelitian, Pendidikan dan Pengajaran: JPPP Al'adzkiya International of Education and Sosial (AIoES) Journal Journal Mathematics Education Sigma [JMES] Mosharafa: Jurnal Pendidikan Matematika Journal of English Language and Education ABDI SABHA (Jurnal Pengabdian kepada Masyarakat) Education Journal of Indonesia (EJI) Dharmas Education Journal (DE_Journal) Education Achievement: Journal of Science and Research Jurnal MathEducation Nusantara Innovative: Journal Of Social Science Research Jurnal Infinity
Marah Doly Nasution
Universitas Muhammadiyah Sumatera Utara
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Energy Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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PENERAPAN MODEL PBL UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA MATERI AYO GOTONG ROYONG MELALUI MEDIA SIPATDIPAT DI KELAS I SD NEGERI 060912 MEDAN DENAI Silitonga, Mamanda; Nasution, Marah Doly; Purba, Rismadani
Dharmas Education Journal (DE_Journal) Vol 1 No 2 (2020): Desember
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Univesitas Dharmas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56667/de_journal.v1i2.1199

Abstract

Penelitian ini berjudul Penerapan Model Pbl Untuk Meningkatkan Hasil Belajar Siswa Pada Materi Ayo Gotong Royong Melalui Media Sipatdipat Di Kelas I Sd Negeri 060912 Medan Denai. Penelitian ini merupakan Penelitian Tindakan Kelas (PTK). Penelitian ini dilaksanakan di SDN 060912 Medan Denai, khususnya di kelas 1. Adapun waktu pelaksanaan penelitian adalah pada semester genap tahun ajaran 2024/2025, yaitu mulai bulan April hingga Mei 2025 Berdasarkan hasil penelitian dan pembahasan yang telah dilakukan, dapat disimpulkan bahwa penerapan model Problem Based Learning (PBL) yang dipadukan dengan media pembelajaran SIPATDIPAT terbukti efektif dalam meningkatkan hasil belajar siswa pada materi "Ayo Gotong Royong" di kelas I SDN 060912 Medan Denai.Peningkatan hasil belajar siswa terjadi secara bertahap, dimulai dari prasiklus yang hanya mencapai ketuntasan klasikal sebesar 23,81% dengan rata-rata nilai 58, meningkat pada Siklus I menjadi 61,90% dengan rata-rata nilai 70, dan mencapai 85,71% pada Siklus II dengan rata-rata nilai 85. Hal ini menunjukkan bahwa penerapan model PBL mampu meningkatkan keaktifan, kemampuan berpikir kritis, dan pemahaman siswa, terutama ketika didukung dengan media pembelajaran yang menarik dan sesuai dengan karakteristik siswa kelas awal. Media pembelajaran permainan edukatif SIPATDIPAT sebagai media pendukung pembelajaran memberikan kontribusi besar dalam meningkatkan keterlibatan siswa dalam proses belajar, terutama dalam aspek afektif dan psikomotor. Aktivitas bermain yang dilakukan setelah diskusi kelompok dan praktik gotong royong memberikan penguatan terhadap nilai-nilai yang dipelajari dan membuat pembelajaran menjadi menyenangkan serta bermakna
Students' Mathematical Reasoning Ability and Self-Efficacy Viewed from the Application of Problem Based Learning and Contextual Teaching and Learning Models Assisted Nurlinda, Epi; Azis, Zainal; Nasution, Marah Doly
JMEA : Journal of Mathematics Education and Application Vol 4, No 2 (2025): Juni
Publisher : JMEA : Journal of Mathematics Education and Application

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jmea.v4i2.23066

Abstract

The aim of this research is to reveal; (1) the significant influence of PBL and CTL models assisted by interactive media on students' mathematical reasoning abilities, (2) the interaction between KAM and the application of learning models on students' mathematical reasoning abilities, (3) the significant influence of the application of PBL and CTL models assisted by interactive media on self-efficacy students, (4) knowing the interaction between students' initial mathematics abilities and learning models on students' self-efficacy. Quasi experiment is applied, especially counter balanced design with instruments: (1) test of students' initial mathematical abilities, (2) test of students' mathematical reasoning abilities, (3) self-efficacy questionnaire. Infrential data uses covariance analysis (ANCOVA). The research results showed that: (1) The two experimental classes taught using the PBL (Problem Based Learning) model and the CTL (Contextual Teaching and Learning) model assisted by interactive media had a significant influence on students' mathematical reasoning abilities. (2) There is an interaction between initial mathematics abilities (KAM) and the learning model used on students' mathematical reasoning abilities. (3) The two experimental classes taught using the PBL (Problem Based Learning) model and the CTL (Contextual Teaching and Learning) model assisted by interactive media have a significant influence on student self-efficacy. (4) There is an interaction between initial mathematics abilities (KAM) and the learning model used on student self-efficacy.
Influence of World Development Indicators on Human Development: A Multiple Linear Regression and PSI Ranking Approach Irvan, Irvan; Zahedi, Zahedi; Nusantara, Badai Charamsar; Romantica, Krishna Prafidya; Siswadi, Siswadi; Nasution, Marah Doly
ZERO: Jurnal Sains, Matematika dan Terapan Vol 9, No 1 (2025): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v9i1.24087

Abstract

This study investigates the influence of World Development Indicators (WDI) on the Human Development Index (HDI) within the regional context of Asian countries. Understanding the interaction between these indicators and HDI holds strategic relevance for enhancing the formulation of evidence-based development policies. The analysis focuses on five key indicators: population growth, voice and accountability, government effectiveness, GDP per capita growth, and control of corruption. These variables represent essential dimensions of governance and socioeconomic advancement. The dataset comprises information from 46 Asian countries sourced from the World Bank. The methodological framework integrates multiple linear regression to evaluate the magnitude of each variable’s contribution to HDI. The Preference Selection Index (PSI) is utilized to establish a performance-based ranking of countries grounded in the selected indicators. Results demonstrate that population growth and government effectiveness have significant impacts on HDI outcomes, while the remaining variables exhibit no statistically significant effects. Comparative analysis using PSI reveals inconsistencies between development indicator values and actual HDI positions. South Korea shows the highest consistency between quantitative rankings and HDI classification. These findings offer practical insights for policy prioritization by identifying the most influential determinants of human development in the region. The study emphasizes the importance of tailored development strategies and encourages future research to strengthen model robustness through control variable inclusion, sensitivity analysis, and non-linear modeling approaches.
Influence of World Development Indicators on Human Development: A Multiple Linear Regression and PSI Ranking Approach Irvan, Irvan; Zahedi, Zahedi; Nusantara, Badai Charamsar; Romantica, Krishna Prafidya; Siswadi, Siswadi; Nasution, Marah Doly
ZERO: Jurnal Sains, Matematika dan Terapan Vol 9, No 1 (2025): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v9i1.23925

Abstract

This study investigates the influence of World Development Indicators (WDI)on the Human Development Index (HDI) within the regional context of Asiancountries. Understanding the interaction between these indicators and HDIholds strategic relevance for enhancing the formulation of evidence-baseddevelopment policies. The analysis focuses on five key indicators: populationgrowth, voice and accountability, government effectiveness, GDP per capitagrowth, and control of corruption. These variables represent essentialdimensions of governance and socioeconomic advancement. The datasetcomprises information from 46 Asian countries sourced from the World Bank.The methodological framework integrates multiple linear regression to evaluatethe magnitude of each variable’s contribution to HDI. The Preference SelectionIndex (PSI) is utilized to establish a performance-based ranking of countriesgrounded in the selected indicators. Results demonstrate that population growthand government effectiveness have significant impacts on HDI outcomes, whilethe remaining variables exhibit no statistically significant effects. Comparativeanalysis using PSI reveals inconsistencies between development indicator valuesand actual HDI positions. South Korea shows the highest consistency betweenquantitative rankings and HDI classification. These findings offer practicalinsights for policy prioritization by identifying the most influential determinantsof human development in the region. The study emphasizes the importance oftailored development strategies and encourages future research to strengthenmodel robustness through control variable inclusion, sensitivity analysis, andnon-linear modeling approaches.
Statistics Learning Media Innovation B-Tube (Combination Blog and YouTube) Irvan Irvan; Alfauzan Ramadhanny Simangunsong; Marah Doly Nasution
Mosharafa: Jurnal Pendidikan Matematika Vol. 13 No. 4 (2024): October
Publisher : Department of Mathematics Education Program IPI Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31980/mosharafa.v13i4.1748

Abstract

Abstrak Tujuan penelitian ini untuk mengembangkan media pembelajaran digital dengan mengombinasikan web-blog dan YouTube. Penelitian ini menggunakan metode Research and Development (R&D) Level 1 oleh Sugiyono. Subjek dari penelitian ini 30 siswa kelas VIII SMP IT Mutiara tahun ajaran 2023/2024. Jenis data penelitian ini kuantitatif dan dianalisis menggunakan analisis deskriptif dan analisis statistik. Instrumen penelitian berupa lembar validasi ahli media, materi, dan bahasa, angket respon pengguna guru dan siswa, serta tes hasil belajar. Hasil penelitian menunjukkan bahwa produk Kombinasi Blog dan YouTube (B-Tube) valid digunakan, praktis dan efektif meningkatkan hasil belajar matematika. Berdasarkan analisa hasil uji produk menunjukan skor ahli media 4.78 (sangat valid), ahli materi 4.50 (valid), ahli 4.67 (sangat valid). Respon pengguna guru dan siswa menunjukkan persentase kepraktisan sebesar 100% dengan kategori sangat praktis. Uji efektifitas  menggunakan N-Gain menunjukkan hasil N-Gain Skor sebesar 0.73 atau N-Gain (%) sebesar 73 dengan kriteria tinggi berdasarkan kriteria N-Gain menurut Melzer. Penelitian ini menunjukkan hasil bahwa media B-Tube dalam pembelajaran statistika valid digunakan, praktis dan efektif dalam meningkatkan hasil belajar matematika. Abstract The purpose of this research is to develop digital learning media by integrating web blogs and YouTube. The study follows the Research and Development (R&D) Level 1 method by Sugiyono. The subjects are 30 eighth-grade students at SMP IT Mutiara during the 2023/2024 academic year. The research data is quantitative and analyzed using descriptive and statistical methods. The instruments used include validation sheets for media, material, and language experts, as well as questionnaires for teacher and student user responses, and learning outcome tests. The results indicate that the combination of Blog and YouTube (B-Tube) is valid, practical, and effective in enhancing mathematics learning outcomes. Based on the product test analysis, the media experts rated it 4.78 (very valid), the material experts 4.50 (valid), and the language experts 4.67 (very valid). The response from teachers and students indicated a 100% practicality rate, categorizing it as very practical. The effectiveness test, using N-Gain, showed an N-Gain score of 0.73 or N-Gain (%) of 73, which falls under the high criteria based on Melzer's N-Gain criterion. This study shows the results that B-Tube media in statistics learning is valid, practical and effective in improving mathematics learning outcomes.
MODELLING AND NUMERICAL ANALYSIS FOR CRACK PROPAGATION IN COMBINING CONCRETE WITH 25% FEATHER SHELL POWDER USING FINITE ELEMENT METHOD Nasution, Marah Doly; Syahputra, Muhammad Romi; Rambe, Isnaini Halimah
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 19 No 4 (2025): BAREKENG: Journal of Mathematics and Its Application
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/barekengvol19iss4pp2419-2430

Abstract

This study explores the application of the Extended Finite Element Method (XFEM) for modeling fracture behavior, utilizing COMSOL Multiphysics 5.6 to simulate a homogeneous concrete medium without embedded reinforcement. The computational model incorporates key parameters such as stress ratio (Young’s modulus of 137.9 MPa), lateral strain from axial loading (Poisson’s ratio of 0.17), concrete density of 2.4 g/cm³, and a crack growth rate governed by Paris’ law. The simulation results show a maximum stress intensity factor ( ) of 66.2 and a failure point occurring after approximately 22,568 load cycles. A mixture comprising 25% clamshell ash and lime was used as a sustainable cement substitute, achieving a maximum compressive strength of 20.53 MPa—meeting the structural concrete standard. These findings contribute to enhancing predictive fracture models and promoting sustainable material innovation in civil engineering.
Co-Authors Ahmad Ahmad Ahmad Muarif Boangmanalu Akbar, Rahmat Al Khowarizmi Alfauzan Ramadhanny Simangunsong Arni, Nina Azis, Zainal Bela Bela Cari Nafkah Duha Cici Prastika Dinda Iriani Nasution Edy Surya Epi Nurlinda Epi Tamala Sari Fajar, Maulana Halim Maulana Hutabarat, Dina Safira Ifroh Wulandari Irvan, Irvan Ismail Hanif Batubara Khairun Nisah Manurung, Asrar Aspia Milda Rizky Novriani, Milda Rizky Nasution, Dermawan Nasution, Ismail Saleh Novriani, Milda Rizky Nurlinda, Epi Nusantara, Badai Charamsar Panjaitan, Putri Azzizah Purba, Rismadani Putra, Arianto Rahmad Wahyudi Rambe, Isnaini Halimah Rambe, Siti Fatimah Ria Nita Fitri Ridwan Ramadhan Rimbawati Rismadani Purba Romantica, Krishna Prafidya RR. Ella Evrita Hestiandari SARI, SUCI PERWITA Silitonga, Mamanda Siswadi, Siswadi Siti Aminah Manurung Siti Rahma Dhani Situmorang, Lisna Juniani Subaini Subaini Surya, Edy Syahfitri, Zuliarti Syahputra, Muhammad Romi Syaipul Rizki Simanullang Tua Halomoan Harahap Tua Halomoan Harahap, Tua Halomoan Wita Oktaviani Yoshida Sary Zahedi, Zahedi Zainal Azis Zulfi Amri Zulfikar Zulfikar Zulkifley Mohamed Zulkifli Siregar