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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 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 of Education and Teaching Learning 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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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.
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.
Statistics Learning Media Innovation B-Tube (Combination Blog and YouTube) Irvan, Irvan; Simangunsong, Alfauzan Ramadhanny; Nasution, Marah Doly
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.
The Effectiveness of Think Talk Write (TTW) Learning in Improving Students’ Mathematical Communication Ability Kamaruddin, Kamaruddin; Irvan, Irvan; Nasution, Marah Doly
Journal Of Education And Teaching Learning (JETL) Vol. 5 No. 3 (2023): Journal of Education and Teaching Learning (JETL)
Publisher : CV. Pusdikra Mitra Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51178/jetl.v5i3.1541

Abstract

Learning mathematics is useful for students to be able to think critically, count, reason, and be able to analyze a problem. Not only that learning mathematics has an impact on improving mathematical communication skills related to everyday life. The purpose of this study was to test the effectiveness of using the Think Talk Write (TTW) learning model in improving students' mathematical communication skills at the junior high school level. This research took place at SMP Muhammadiyah 01 Medan. The population of this study was all students in class IX and the research sample was students in class IX-T1 at SMP Muhammadiyah 1 Medan, TA 2022/2023. This study used a quantitative pre-experiment design one-group pretest-posttest method. The test of mathematical communication skills is the instrument of this research. The research data was tested for its hypothesis using the paired sample t-test with the normality assumption test. While testing the effectiveness of increasing their mathematical communication skills using the N-Gain test.
Pengaruh Model Pembelajaran Berbasis Proyek dan Pembelajaran Kooperatif Tipe Student Team-Achievement Divisi Terhadap Kemampuan Penalaran dan Kemampuan Komunikasi Matematis Siswa Fajar, Maulana; Azis, Zainal; Nasution, Marah Doly
Education Achievement: Journal of Science and Research Volume 6 Issue 1 March 2025
Publisher : Pusdikra-Publishing.com

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51178/jsr.v6i1.2372

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran berbasis proyek dan pembelajaran kooperatif tipe STAD terhadap kemampuan penalaran dan kemampuan komunikasi matematis siswa di kelas VII MTsS. Nurul Amaliyah Tanjung Morawa. Penelitian ini merupakan penelitian kuantitatif, dengan jenis penelitian quasi eksperimen. Populasinya adalah seluruh siswa kelas VII MTsS. Nurul Amaliyah Tanjung Morawa yang berjumlah 60 siswa. Analisis data dilakukan dengan analisis varians (ANAVA). Hasil temuan ini menunjukkan: 1) Model pembelajaran berbasis proyek terhadap kemampuan penalaran dan kemampuan komunikasi lebih baik daripada model pembelajaran kooperatif tipe STAD pada materi segi empat; 2) Tidak terdapat interaksi antara model pembelajaran terhadap kemampuan penalaran dan kemampuan komunikasi matematika siswa. Kesimpulan penelitian ini menjelaskan bahwa model pembelajaran berbasis proyek (PjBL) lebih berpengaruh terhadap kemampuan penalaran dan kemampuan komunikasi matematis siswa daripada model pembelajaran kooperatif tipe STAD.
Clustering of uninhabitable houses using the optimized apriori algorithm Al-Khowarizmi, Al-Khowarizmi; Nasution, Marah Doly; Sary, Yoshida; Bela, Bela
Computer Science and Information Technologies Vol 5, No 2: July 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/csit.v5i2.p150-159

Abstract

Clustering is one of the roles in data mining which is very popularly used for data problems in solving everyday problems. Various algorithms and methods can support clustering such as Apriori. The Apriori algorithm is an algorithm that applies unsupervised learning in completing association and clustering tasks so that the Apriori algorithm is able to complete clustering analysis in Uninhabitable Houses and gain new knowledge about associations. Where the results show that the combination of 2 itemsets with a tendency value for Gas Stove fuel of 3 kg and the installed power meter for the attribute item criteria results in a minimum support value of 77% and a minimum confidence value of 87%. This proves that a priori is capable of clustering Uninhabitable Houses to help government work programs.
The Implementation of the Connecting, Organizing, Reflecting, Extending (CORE) Learning Model is Integrated with the Problem Based Learning (PBL) Model to Enhance the Mathematical Problem-Solving Ability of PGSD Students Nasution, Ismail Saleh; Nasution, Marah Doly; Sari, Suci Perwita
Indonesian Journal of Education and Mathematical Science Vol 7, No 1 (2026)
Publisher : Universitas Muhammadiyah Sumatera Utara (UMSU)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/ijems.v7i1.29079

Abstract

This study aims to examine the effectiveness of the Connecting, Organizing, Reflecting, and Extending (CORE) learning model integrated with Problem Based Learning (PBL) in improving the mathematical problem-solving abilities of PGSD students. A quasi-experimental method with a non-equivalent control group pretest–posttest design was employed. The participants consisted of 62 fourth-semester PGSD students at Universitas Muhammadiyah Sumatera Utara in the 2024/2025 academic year, divided into an experimental group (n=32) and a control group (n=30). Research instruments included a mathematical problem-solving test, observation sheets, and reflective journals. Data analysis revealed a significant difference between the two groups, with the experimental group achieving a higher mean score (82.53) than the control group (71.67), supported by a t-value of 5.742 (p0.001). The N-gain results indicated a moderate improvement in the experimental group (0.58), exceeding that of the control group (0.31). Students in the experimental class demonstrated better performance across all problem-solving indicators, particularly in rechecking the solution process and results. Qualitative findings further showed improvements in conceptual understanding, strategic thinking, confidence, and collaboration. Overall, integrating CORE and PBL creates meaningful learning experiences and effectively enhances students’ mathematical problem-solving competence
PENERAPAN MODEL PROBLEM BASED LEARNING (PBL) UNTUK MENINGKATKAN HASIL BELAJAR IPAS KELAS V SD NEGERI 060912 MEDAN DENAI: Penelitian Tindakan Kelas Ladimir Putin Simbolon; Marah Doly Nasution; Sri Suharni
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 11 No. 02 (2025): Volume 11 No. 02 Juni 2025 In Press
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v11i02.6104

Abstract

This study aims to improve student learning outcomes in the subject of Natural and Social Sciences (IPAS) through the implementation of the Problem Based Learning (PBL) model in Class V-A of SD Negeri 060912 Medan Denai. The background of this research is the low learning outcomes of IPAS due to the dominance of lecture methods and the lack of innovative learning models. This research is a Classroom Action Research (CAR) using the Kemmis and McTaggart model, conducted in two cycles. Each cycle consists of planning, action, observation, and reflection stages. The results show that the implementation of the PBL model significantly improves student learning outcomes. In the pre-cycle, the average student score was 60 with a mastery level of 45%. After implementing PBL, the average score increased to 71 with 75% mastery in Cycle I, and further increased to 81.5 with 85% mastery in Cycle II. Moreover, students' learning motivation and activeness also improved through group discussions, solving real-world problems, and the use of interactive PowerPoint media. Based on these results, it can be concluded that the PBL model is effective in enhancing the learning outcomes of fifth-grade students in IPAS.
Penerapan Model Pembelajaran Problem Based Learning (PBL) untuk Meningkatkan Hasil Belajar IPAS Siswa Kelas V SD Negeri 060912 Medan Denai T.A 2024/2025: Penelitian Tindakan Kelas Ayu Servilita br Sembiring; Marah Doly Nasution; Sri Suharni
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 11 No. 02 (2025): Volume 11 No. 02 Juni 2025 In Order
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v11i02.6122

Abstract

This study aims to improve learning outcomes in Science and Social Science (IPAS) subjects through the implementation of the Problem Based Learning (PBL) model among fifth-grade students at SD Negeri 060912 Medan Denai in the 2024/2025 academic year. The research method used was Classroom Action Research (CAR) conducted in two cycles, each comprising planning, action, observation, and reflection stages. The results indicated that the PBL model effectively enhanced students’ learning outcomes. In the pretest, only 3 students (12.5%) met the minimum passing criteria. After applying the PBL model in the first cycle, the number increased to 9 students (37.5%), and in the second cycle to 21 students (87.5%). Student learning activities and teacher performance also showed significant improvements. Therefore, the Problem Based Learning model is proven to be an effective alternative for improving students’ IPAS learning outcomes.
Co-Authors Ahmad Ahmad Ahmad Muarif Boangmanalu Akbar, Rahmat Al Khowarizmi Arni, Nina Ayu Servilita br Sembiring Azis, Zainal Bela, Bela Cari Nafkah Duha Cici Prastika Dinda Iriani Nasution Edy Surya Eni Jelita Epi Nurlinda Epi Tamala Sari Fajar, Maulana Halim Maulana Hutabarat, Dina Safira Ifroh Wulandari Ilhamuddin Irvan Irvan Irvan, Irvan Ismail Hanif Batubara Jamilah Farah Dhiba Kamaruddin Kamaruddin Khairun Nisah Ladimir Putin Simbolon 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 Rambe, Isnaini Halimah Rambe, Siti Fatimah Ria Nita Fitri Ridwan Ramadhan Rimbawati Rismadani Purba Romantica, Krishna Prafidya RR. Ella Evrita Hestiandari Sari, Suci Perwita SARI, SUCI PERWITA Silitonga, Mamanda Simangunsong, Alfauzan Ramadhanny Siswadi, Siswadi Siti Aminah Manurung Siti Rahma Dhani Situmorang, Lisna Juniani Sri Suharni 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 Zuani Jesica Pasaribu Zulfi Amri Zulfikar Zulfikar Zulkifley Mohamed Zulkifli Siregar