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All Journal International Journal of Evaluation and Research in Education (IJERE) Jurnal Penelitian dan Evaluasi Pendidikan SAINSMAT Journal of Education and Learning (EduLearn) Jurnal Daya Matematis JIPM (Jurnal Ilmiah Pendidikan Matematika) MaPan : Jurnal Matematika dan Pembelajaran JMPM: Jurnal Matematika dan Pendidikan Matematika BAREKENG: Jurnal Ilmu Matematika dan Terapan Jurnal Ilmiah Ecosystem Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Inferensi Jurnal Pendidikan dan Kebudayaan Jurnal Statistika dan Matematika (Statmat) JAMBURA JOURNAL OF PROBABILITY AND STATISTICS Inteligensi : Jurnal Ilmu Pendidikan LOSARI: Jurnal Pengabdian Kepada Masyarakat Jurnal Ilmiah Wahana Pendidikan International Journal of Quantitative Research and Modeling Kognitif: Jurnal Riset HOTS Pendidikan Matematika Issues in Mathematics Education (IMED) Amaliah: Jurnal Pengabdian Masyarakat Seminar Nasional Pengabdian Kepada Masyarakat Indonesian Journal of Fundamental Sciences Vokatek : Jurnal Pengabdian Masyarakat Seminar Nasional Hasil Penelitian LP2M UNM Ininnawa: Jurnal Pengabdian Masyarakat ARRUS Jurnal Pengabdian Kepada Masyarakat Jurnal Kemitraan Responsif untuk Aksi Inovatif dan Pengabdian Masyarakat Riemann : Research of Mathematics and Mathematics Education Kreano, Jurnal Matematika Kreatif Inovatif Jurnal Hasil-Hasil Pengabdian dan Pemberdayaan Masyarakat (JHP2M) Journal of Mathematics, Computation and Statistics (JMATHCOS) International Journal of Education, Vocational and Social Science Issues in Mathematics Educations (IMED) Journal of Community Services and Development SAINSMAT: Jurnal Ilmiah Ilmu Pengetahuan Alam
Hisyam Ihsan
Department Of Mathematics, Faculty Of Mathematics And Natural Sciences, Universitas Negeri Makassar, Indonesia
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Structural Model of Self-Efficacy, Self-Regulated Learning, and Self-Determination on Mathematics Learning Achievement through Reasoning Ability Aqil Fadhil MS; Hisyam Ihsan; Andi Syukriani
JMPM: Jurnal Matematika dan Pendidikan Matematika Vol 11 No 1 (2026): Vol. 11 No. 1 (2026): March - August 2026
Publisher : Prodi Pendidikan Matematika Universitas Pesantren Tinggi Darul Ulum Jombang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26594/jmpm.v11i1.6556

Abstract

This study examines the effects of self-efficacy, self-regulated learning, and self-determination on students’ mathematics achievement through mathematical reasoning ability. A quantitative ex post facto design was employed using Partial Least Squares Structural Equation Modeling (PLS-SEM). The sample consisted of 170 ninth-grade students at a state junior high school in Makassar, Indonesia, selected through cluster random sampling. Data were collected using validated questionnaires and a mathematical reasoning test. The results show that self-efficacy and self-regulated learning significantly influence mathematical reasoning ability, which in turn has a significant effect on mathematics achievement. Both variables also show indirect effects on achievement through reasoning ability. In contrast, self-determination does not have a significant effect on either mathematical reasoning or mathematics achievement. These findings indicate that mathematical reasoning plays a mediating role in linking self-efficacy and self-regulated learning factors to mathematics learning achievement.
Analysis of Stock Return Volatility of PT Asuransi Multi Artha Guna Tbk Using the GARCH-M Model Muh. Yahya; Kalfin Kalfin; Hisyam Ihsan; Atikafairuq Selviana; Andi Widya Pratiwi Anas
International Journal of Quantitative Research and Modeling Vol. 7 No. 2 (2026): International Journal of Quantitative Research and Modeling (IJQRM)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v7i2.1334

Abstract

This study aims to analyze the volatility of stock returns of PT Asuransi Multi Artha Guna Tbk using the Generalized Autoregressive Conditional Heteroskedasticity in Mean (GARCH-M) model during the 2019–2024 period. The data used in this study are secondary data in the form of daily closing stock prices of AMAG.JK obtained from Yahoo Finance, with a total of 1,466 observations. The analytical stages include the calculation of log returns, stationarity testing using the Augmented Dickey-Fuller (ADF) test, Ljung-Box autocorrelation test, ARCH-LM test, selection of the best GARCH model based on the Akaike Information Criterion (AIC) and Bayesian Information Criterion (BIC), estimation of the GARCH-M model, conditional volatility analysis, and volatility forecasting. The results indicate that the stock return data of AMAG.JK are stationary and contain ARCH effects, making them appropriate for analysis using the GARCH model. Based on the AIC and BIC criteria, the best model selected is GARCH(1,2). The estimation results of the GARCH(1,2)-M model show that the ARCH and GARCH parameters are statistically significant, indicating the presence of volatility clustering and volatility persistence phenomena in the stock returns of AMAG.JK. However, the risk premium parameter in the GARCH-M model is not statistically significant, implying that conditional volatility does not significantly affect expected stock returns. The volatility forecasting results show that the volatility level of AMAG.JK stock tends to increase gradually in future periods. Overall, the GARCH(1,2)-M model is capable of describing the dynamics of volatility in AMAG.JK stock returns during the research period effectively.
Development of the IDCIR Mathematics Learning Model to Improve Junior High School Students' Problem-Solving and Creative Thinking Skills Sufri Mashuri Sufri; Suradi Tahmir; Ahmad Talib; Hisyam Ihsan
Riemann: Research of Mathematics and Mathematics Education Vol. 7 No. 3 (2025): EDISI DESEMBER
Publisher : Program Studi Pendidikan Matematika Universitas Katolik Santo Agustinus Hippo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38114/riemann.v7i3.117

Abstract

This study aims to develop and validate the IDCIR (Incubation, Divergence, Convergence, Innovation, Reflection) mathematics learning model as an effort to improve problem-solving skills and creative thinking abilities of junior high school students. The background of this research is grounded in the low levels of numeracy and mathematical reasoning abilities among Indonesian students, as reflected in the results of PISA 2022 and AKM 2024. To address these issues, this study employs a Research and Development (R&D) approach by adapting the Plomp model, which includes the stages of preliminary investigation, design and development, as well as implementation and assessment. The resulting product consists of a learning model along with supporting materials such as lesson plans, teacher's guidebooks, student textbooks, student worksheets, and assessment instruments. Validation was conducted by experts in subject matter, pedagogy, and evaluation, showing that the IDCIR model meets the validity criteria in terms of content, construct, language, and visual design of the learning materials. Practicality testing in three schools indicated that the model can be implemented effectively, its syntax is easy for teachers to follow, and students responded positively to the learning activities. Furthermore, effectiveness testing using a pretest–posttest control group design revealed that students who learned through the IDCIR model experienced significant improvements in problem-solving skills, creativity indicators (fluency, flexibility, originality), and learning engagement compared to students in the control group. Thus, the IDCIR model is declared valid, practical, and effective, and can be recommended as an innovative alternative in mathematics instruction to support the achievement of 21st-century competencies.
Solusi Penanganan Permasalahan kecanduan Narkoba menggunakan Model SEIR Waktu Tunda Hisyam Ihsan; Syafruddin Side; Herman
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol. 13 No. 1 (2024): Volume 13 Nomor 1 (Maret 2024)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penelitian ini bertujuan membuat solusi kecanduan narkoba dengan menggunakan model matematik SEIR waktu tunda, menganalisis model, dan memberikan solusi permasalahan penyalahgunaan atau kecanduan narkoba di Kabupaten Bone. Data yang digunakan yaitu data sekunder yang diperoleh dari Polres Bone dan BNN Kabupaten Bone. Penelitian ini dimulai dengan mengidentifikasi masalah; mencari studi literatur; menentukan asumsi, variabel dan parameter yang digunakan; membangun model matematika; menganalisis model; mengumpulkan data; memberikan solusi permasalahn penyalahgunaan atau kecanduan narkoba. Hasil penelitian ini menyimpulkan bahwa model matematika SEIR waktu tunda penyalahgunaan atau kecanduan anrkoba dalam bentuk sistem persamaan diferensial, titik kesetimbangan bebas kecanduan narkoba dan titik kesetimbangan terjadinya kecanduan narkoba yang bersifat stabil, terlihat bahwa bilangan reproduksi dasar untuk simulasi diperoleh (R_0) =5,005544522>1. Hal ini menunjukkan bahwa kasus kecanduan narkoba di Kabupaten Bone akan menyebar dengan cepat dan akan terus bertambah. Berdasarkan simulasi yang dilakukan menggunakan software matematika diperoleh bahwa semakin lama waktu penundaan maka semakin cepat populasi yang mengalami kecanduan narkoba akan berkurang, begitu pula sebaliknya
Ethnomathematics Exploration of Maggurecceng, Engklek, and Sayyang Pattudu in the Concept of Number Muhammad Ammar Naufal; Ja'faruddin; Hisyam Ihsan
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol. 13 No. 2 (2024): Volume 13 Nomor 2 (September 2024)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Ethnomathematics connects cultural practices with mathematical concepts, offering an engaging learning approach for students. This study conducts a Systematic Literature Review (SLR) of 178 articles from the Google Scholar database (2012 2022) to explore the relationship between traditional cultural activities and the concept of numbers. It focuses on cultural elements such as Maggurecceng, Engklek, and Sayyang Pattudu, revealing how these traditional games can enhance students’ understanding of number concepts, such as addition, multiplication, and numerical comparisons. The findings highlight the potential of ethnomathematics to foster mathematical abilities through culturally relevant learning activities, thereby promoting both mathematical comprehension and cultural appreciation in educational contexts. This review emphasizes the integration of culture into mathematics education as a tool for improving learning outcomes, particularly in developing numerical literacy.
Co-Authors A. Asman Abdul Halim Abdullah Abdul Kadir Abdul Kadir Abdul Rahman Adesty Meilyani Lukman Adnan Ahmad Israk Ahmad Jibril Gifrany Ahmad Talib Ahmad Zaki AHMAD ZAKI Ahmad Zaki Ahmad, Asdar Akhyar, Andi Muh. Aldri Frinaldi Aleytha Ilahnugrah Kurnadipare Alimuddin Alimuddin, Fauziyyah Andi Ammar Akrar Andi Asmawati Azis Andi Syukriani Andi Widya Pratiwi Anas Andini, Reski Annas, Suwardi Aqil Fadhil MS Asdar Asman asmaun, asmaun ASTRI YUNI HASHARI Aswar Aswar Aswi, Aswi Atikafairuq Selviana Awi Awi Dassa Awi Dassa, Awi Ayu Alfina Pratiwi Amar Baharuddin Baharuddin Baso Intang Sappaile Baso Intang Sappaile Bernard Bernard Bernard Bernard Bernard Bernard, Bernard Dhea Ayu Rossyana Dewi Dhea Ayu Rossyana Dewi Emi Wulandari Fadhilah Nur Sa’diyyah Fahrul Ahmad Fahrul Ahmad Fairul, Muh. Fajar Arwadi Fauzan Abdillah Aris Fauziyyah Alimuddin Febrianti Khoirunnisa Fitrah Asma Darmawan H. Hasriani Haeriah Hamka Haeriah Hamka Hafid, Nur Aqidah Hamzah Upu Haris Hasriani Hassan, Muhammad Nasiru Heria Utami Herman Ilham Minggi Ilmi Nurfaizah Rustam Irwan IRWAN IRWAN Irwan Irwan Ivan, Zhalsa Larasati Ja'faruddin Ja'faruddin, Ja'faruddin Jafaruddin Ja’faruddin Julinda Sari kalfin Kalfin Kardilla Khadijah Khadijah Khadijah Khaeruddin Khaeruddin Kurnadipare, Aleytha Ilahnugrah Kurniati, Ratnah Lutfiah M. Amirullah Mansyur Mansyur Mar'ah Mutaaliah Maulidiyah Ananda Nasrul Mohd Salleh Abu Muh. Fairul Muh. Yahya Muhammad Abdy Muhammad Abdy Muhammad Abdy Muhammad Ammar Naufal Muhammad Farhan Muhammad Ikram Muhammad Iqbal Muhammad Irham Muktamar Muhammad Nur Akbar Syah Muhammad Saddang Muktamar, Muhammad Irham Musdalifa Pagga Musdalifah Pagga N Nurfadillah Nasir, A. Muhajir Nasir, Norma Nasrullah Nensi, Andi Illa Erviani Ni Luh Sri Diantini Novia Fridayanti Nur Hikmayanti Syam Nur Syuaiba Nurfadillah Nurfadya, Masyta Nurfitrah Nurdin Nurkahfiah Ridwan Nurul Rahmah Aisyah Jabir Nurwati Djam'an Nurwati Djam’an Nurwijayanti Pagga, Musdalifa Pratiwi, Andi Citra Putri Ananda, Elma Yulia Putri Anugrah Wanti Putri Regina Pratiwi R. Rasmini R. Rasmini R. Ruslin Rahman, Abdul Rahman, Muhammad Fatur Rahmat Syam Ramdhani, Nurfitriah Rifqah Meilani Risna Ulfadwiyanti Riswansyah Rondiyah Rondiyah Rosidah Rosidah Rosidah Ruslan Ruslan Ruslan Ruslan Rusli Rustam, Ilmi Nurfaizah Saddang, Muhammad Sahlan Sidjara Samsu Alam B Samsuddin, Auliaul Fitrah Sa’diyyah, Fadhilah Nur Selvi Rahmatia Selvi Rahmatia Sharifah Osman St. Zulaiha Nurhajarurahmah Sufri Mashuri Sufri Sukarna Sukarna Sukarna Sukarna, Sukarna Sulleng, Ofra Maylin Suradi Tahmir Sutamrin Sutamrin, Sutamrin Suwardi Annas Syafruddin Side Syahid, Nurul Khatimah Syamsuddin Mas'ud Syuaiba, Nur Tahmir, Suradi Talib, Dr. Ahmad Tampa, Alimuddin Ulfadwiyanti, Risna Usman Mulbar Usman Mulbar Usman Mulbar Variska Anjani Wahidah Sanusi Wahidin Ashari, Nur Wahyuni, Maya Sari Waode, Yully Sofyah Wihda, Wihdatul Ummi Wulandari, Emi Yudhi Alfian Yudhi Alfian Zahrah Zafirah Zahrah, Fadliyah Zainal, Zaid