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All Journal International Journal of Public Health Science (IJPHS) Al Khawarizmi: Jurnal Pendidikan dan Pembelajaran Matematika Jurnal Pendidikan Matematika (Kudus) Pelita : Jurnal Penelitian dan Karya Ilmiah Indo-MathEdu Intellectuals Journal Jurnal Pengabdian Masyarakat Bestari (JPMB) Jurnal Pendidikan Transformatif Asian Journal of Philosophy and Religion Bulletin of Applied Mathematics and Mathematics Education Journal of Management Studies and Development International Journal of Learning Reformation in Elementary Education Journal of Pedagogy and Education Science Jurnal Praktik Baik Pembelajaran Sekolah dan Pesantren Jurnal Genesis Indonesia Buletin Edukasi Indonesia Asian Journal of Applied Education Indonesian Journal of Educational Science and Technology (Nurture) Papanda Journal of Mathematics and Sciences Research Journal of Professional Teacher Education Academicus Jurnal Ilmiah Multidisiplin Ilmu Murabbi: Pendidikan Guru Madrasah Ibtidaiyah Journal of Educational Research and Practice Hexagon: Jurnal Ilmu dan Pendidikan Matematika Jurnal Solusi Masyarakat Dikara RUKASI: Jurnal Ilmiah Perkembangan Pendidikan dan Pembelajaran Jurnal Padamu Negeri Journal of Social and Community Development Journal of Organizational and Human Resource Development Strategies Civitas: Jurnal Pengabdian Masyarakat Contemporary Education and Community Engagement
Siswanto, Deny Hadi
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Religion Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Analisis Kesulitan Belajar Matematika Murid Sekolah Dasar: Karakteristik, Faktor Penyebab, dan Upaya Penanganan Putri, Helena Anggraeni; Siswanto, Deny Hadi; Wahyuni, Nur; Astiwi, Wuri
MURABBI Vol. 4 No. 1 (2025): Jurnal Murabbi
Publisher : Prodi PGMI STAI Sabili Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69630/jm.v4i1.50

Abstract

This study was conducted in class V-B of Menggermalang State Elementary School with the aim of identifying the characteristics of students' learning difficulties in mathematics, including the characteristics, causes, and efforts to address them. The research employed a qualitative approach with a case study design. The participants of the study consisted of the principal, the classroom teacher, three V-B students selected based on the teacher's recommendation, and the students' parents. Data were collected through interviews, documentation, and observations. The analysis results showed that: 1) Students' learning difficulties in mathematics were characterized by abnormalities in visual-spatial perception; 2) The factors causing learning difficulties included internal factors such as interest, attitude, motivation, and sensory ability for learning, as well as external factors such as teaching strategies, facilities, family environment, and community; 3) Efforts to address the learning difficulties involved the roles of the teacher and parents, with the teacher providing motivation to the students
Maksimalisasi Kemampuan Pemecahan Masalah Matematika melalui Penerapan Model PBL pada Siswa SD Hatmoko, Fajar Tri; Wahyuni, Nur; Shahidayanti, Tutik; Siswanto, Deny Hadi
MURABBI Vol. 4 No. 1 (2025): Jurnal Murabbi
Publisher : Prodi PGMI STAI Sabili Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69630/jm.v4i1.51

Abstract

Mathematics education in elementary schools plays an important role in developing students' logical and analytical thinking skills, but many still experience difficulties in understanding and solving mathematics problems that require critical thinking. This research aims to analyze the effectiveness of the Problem Based Learning (PBL) model in improving the mathematical problem solving abilities of fifth grade students at SD Muhammadiyah Mlangi. The method used is the Kemmis and McTaggart model of classroom action research, including planning, implementation, observation and reflection. The research subjects consisted of 27 class V students. Data was collected through evaluation tests and observation of student activities in PBL-based learning, then analyzed comparatively descriptively. The research results show that the application of PBL has a positive impact on students' problem solving abilities. The average value increased from 65.87 in the pre-cycle to 77.95 in Cycle I and 86.44 in Cycle II. Students also become more active and confident in solving math problems. These findings indicate that PBL is effective as an innovative learning strategy in improving the quality of mathematics learning in elementary schools
Penerapan RME: Peningkatan Prestasi Belajar Matematika Murid Astutik, Wiwin Dwi; Siswanto, Deny Hadi; Kintoko
MURABBI Vol. 4 No. 1 (2025): Jurnal Murabbi
Publisher : Prodi PGMI STAI Sabili Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69630/jm.v4i1.61

Abstract

This study aims to analyze the effectiveness of implementing the Realistic Mathematics Education (RME) approach in improving the learning outcomes of sixth-grade students at 1 Samigaluh State Elementary School. The method used is Classroom Action Research (CAR) with a research sample of 29 students. The study was conducted in two cycles over three months, from December 2024 to February 2025. Research instruments included open-ended tests to measure students' understanding and observation sheets to assess the learning process. Data were analyzed descriptively through data reduction, data presentation, as well as analysis and interpretation of research findings. The results showed that before implementing RME, students were less active in learning, with a mastery level of only 27%. In Cycle I, after applying RME, there was a gradual improvement, with the mastery percentage increasing to 38% in the first meeting and 56% in the second meeting. However, these results did not yet meet the minimum success indicator (≥75%), requiring improvements in Cycle II. In the first meeting of Cycle II, the achievement percentage reached 78%. By the second meeting of Cycle II, student learning outcomes reached a maximum level of 98%. The gradual implementation of the RME approach, accompanied by increased student engagement and variations in teaching methods, can significantly enhance students' mathematics learning outcomes
The Effect of Implementing the Problem Posing Learning Model on the Self-Efficacy Ability of High School Students Siswanto, Deny Hadi; Kintoko; Rambe, Muhammad Yusuf; Mutmainah, Siti
Jurnal Praktik Baik Pembelajaran Sekolah dan Pesantren Vol. 4 No. 02 (2025): Jurnal Praktik Baik Pembelajaran Sekolah dan Pesantren
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/pbpsp.v4i02.790

Abstract

This study aims to analyze the effect of implementing the Problem Posing learning model on students' self-efficacy. A quasi-experimental method with a nonequivalent post-test only control group design was used. The research subjects were 11th-grade science students at Muhammadiyah Mlati Senior High School, selected using purposive sampling. Data were collected through tests, questionnaires, and observations. The instruments consisted of post-test questions to assess self-efficacy and observation sheets to evaluate teacher activities. Data analysis used a two-way ANOVA technique. The results showed a significance value of 0.000, which is less than the 0.05 significance level. This indicates that the regression coefficient is statistically significant, and the H0 was rejected. These findings suggest that the Problem Posing learning model significantly affects students’ self-efficacy. The model contributes to 85.6% of the observed increase in students' self-efficacy. Therefore, it can be concluded that the implementation of the Problem Posing learning model plays an important role in enhancing students’ confidence in their academic abilities, making it a potentially effective instructional strategy in science education.
Systematic Literature Review: Realistic Mathematics Education Approach for Enhancing Junior High Students' Critical Thinking Skills Siswanto, Deny Hadi; Kintoko; Susetyawati, M.M. Endang
Indo-MathEdu Intellectuals Journal Vol. 6 No. 3 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i3.2900

Abstract

In the era of globalization, critical thinking skills in mathematics are essential. However, mathematics is often perceived as difficult and monotonous, prompting the need for teachers to employ engaging approaches, such as Realistic Mathematics Education (RME). RME connects mathematical concepts with real-life situations to enhance students' understanding and critical thinking skills. This study aims to analyze effectiveness of RME in improving junior high school students' critical thinking skills through a Systematic Literature Review (SLR) using the PRISMA approach. Data were collected from articles published between 2015 and 2025 in the WoS and Scopus databases, with 26 articles identified. The results indicate a growing number of RME-related publications, peaking in 2023 (10 articles). The most common research method was quasi-experimental (54%), with geometry as the primary topic (6 studies). Implemented strategies included e-worksheets, RME-based teaching materials, RME learning media, and RME learning models. This study confirms the effectiveness of RME in enhancing students’ critical thinking skills.
Enhancing Organizational Development through Principal Leadership to Improve Teacher and Staff Work Discipline Pisriwati, Siti Atwano; Hardi, Yuwono; Siswanto, Deny Hadi
Journal of Organizational and Human Resource Development Strategies Vol. 1 No. 01 (2024): Journal of Organizational and Human Resource Development Strategies
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/ohds.v1i01.670

Abstract

This research aims to detail and explain the role played by the principal in improving the work discipline of teachers and employees at particular private high school in Yogyakarta, Indonesia. The method used in this study is descriptive qualitative research using purposive sampling techniques. In this context, school principals are faced with five main tasks that must be completed in order to improve the work discipline of teachers and employees at the school. Apart from that, there are also two problems faced by school principals in trying to achieve this goal. The research results show that the principal at the school has the responsibility to plan and communicate effectively, direct collaboration between staff, design learning programs, manage school facilities and finances, and create a supportive school environment. One of the obstacles faced is the lack of discipline shown by teachers and employees in completing their tasks. This shows the need for appropriate action from the school principal to overcome this problem in order to improve performance and discipline in the school environment.
Leadership Strategies in Decision-Making for Senior High School Principals Putri, Helena Anggraeni; Pisriwati, Siti Atwano; Siswanto, Deny Hadi
Journal of Organizational and Human Resource Development Strategies Vol. 1 No. 02 (2024): Journal of Organizational and Human Resource Development Strategies
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/ohds.v1i02.707

Abstract

This study seeks to investigate the leadership approaches employed by the principal in managing disciplinary violations at Muhammadiyah Mlati Senior High School. Using a qualitative case study methodology, the research focuses on gathering perspectives from the principal, teachers, and students as key sources of information. Data was collected through interviews, observations, and document analysis, with triangulation used to ensure the accuracy and depth of the findings. The results highlight three key aspects of the principal's leadership in handling disciplinary matters. First, the decision-making process involves identifying and categorizing violations committed by both teachers and students, from minor to serious offenses, to determine suitable disciplinary measures. Second, the principal investigates the root causes of these violations to address the underlying issues contributing to rule-breaking. Third, the study demonstrates that the principal considers the broader effects of decisions on both students and teachers, emphasizing the importance of effective communication and socialization strategies to foster better discipline across the school. These leadership practices are crucial in creating a more disciplined and supportive learning environment.
EXPLORING THE EFFECTIVENESS OF OFF-THE-JOB TRAINING IN DEVELOPING EDUCATIONAL LEADERSHIP: A SYSTEMATIC LITERATURE REVIEW Tarso; Nugroho, Adian Purwo; Risnawati Risnawati; Heryuriani , Betty; Siswanto, Deny Hadi
Jurnal Ilmiah Multidisiplin Ilmu Vol. 2 No. 3 (2025): Juni : Jurnal Ilmiah Multidisiplin Ilmu (JIMI)
Publisher : CV. Denasya Smart Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69714/r5cmr397

Abstract

This study aims to explore the role of off-the-job training in enhancing leadership competence in the field of education through a Systematic Literature Review (SLR) approach. The study adopts the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) framework to screen and analyze literature sourced from three major databases: Web of Science, SCOPUS, and ERIC, with a publication range limited to the years 2015–2025. Out of 439 identified articles, a total of 40 studies were selected based on inclusion criteria, which included document type, thematic focus, and relevance to educational leadership. The data analysis process was conducted using a thematic approach to categorize relevant findings and identify key patterns in the contributions of training. The results indicate that off-the-job training significantly contributes to improving leadership skills by developing educators’ emotional, strategic, and professional competencies. The training is also proven effective in fostering transformational leadership, strengthening teaching practices, and enhancing professional collaboration within educational environments. This study recommends the implementation of continuous and institutionally tailored training programs as a strategic approach to optimize the impact of off-the-job training on the improvement of educational leadership quality in the future
SELF-EFFICACY, LEARNING STYLES, AND LEARNING DISCIPLINE AS PREDICTORS OF MATHEMATICS ACHIEVEMENT AMONG VOCATIONAL SCHOOL STUDENTS Sadiyah , Khalimatu; Setiawan , Aldo; Siswanto, Deny Hadi; Fitriyani
Jurnal Ilmiah Multidisiplin Ilmu Vol. 2 No. 3 (2025): Juni : Jurnal Ilmiah Multidisiplin Ilmu (JIMI)
Publisher : CV. Denasya Smart Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69714/40sjf608

Abstract

This study aims to analyze the influence of self-efficacy, learning styles, and learning discipline on students’ mathematics learning outcomes at Muhammadiyah Mlati Vocational School, Sleman. The research employed a quantitative approach using a survey method. The research instrument was a scale that had been validated through expert judgment and tested for its validity and reliability. Data were collected from 150 respondents and analyzed using SPSS-25 through prerequisite tests (normality, multicollinearity, heteroscedasticity, and linearity) and hypothesis testing using regression analysis. The results of the validity and reliability tests indicated that all instrument items were valid and reliable. The data were normally distributed, free from multicollinearity and heteroscedasticity, and met the assumption of linearity among variables. Descriptive analysis showed that the average scores for all variables were relatively high, exceeding 75. Regression analysis revealed that self-efficacy, learning styles, and learning discipline had a significant influence on mathematics learning outcomes, both simultaneously and partially. This study highlights the importance of strengthening students' internal factors in supporting academic achievement, particularly in mathematics learning at the vocational high school level. The findings are expected to serve as a reference for teachers in designing learning strategies that consider students’ individual characteristics
Teacher Well-Being and Its Influence on School Effectiveness: A Quantitative Study Siswanto, Deny Hadi; Hanama, Akhmad; Apriwulan, Hamdani Fajar
Journal of Educational Research and Practice Vol. 3 No. 2 (2025): Journal of Educational Research and Practice
Publisher : Yayasan Centre for Studying and Milieu Development of Indonesia (CESMiD)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70376/jerp.v3i2.348

Abstract

Teacher well-being is presumed to influence school effectiveness; however, empirical evidence within the Indonesian context remains limited. This quantitative study examines the relationship between teacher well-being and school effectiveness at Muhammadiyah Mlati Senior High School. Data were collected through a structured survey administered to 36 teachers using a Google Forms questionnaire of 20 items—10 related to teacher well-being and 10 to school effectiveness. The data were analyzed using simple linear regression. The findings indicate a statistically significant positive relationship between teacher well-being and school effectiveness (p = 0.033). However, the explanatory power of teacher well-being accounts for only 12.7% of the variance in school effectiveness. These results suggest that while teacher well-being contributes, its impact is relatively modest, highlighting the importance of other influencing variables such as administrative support, organizational climate, and infrastructure availability. The study offers theoretical contributions aligned with Self-Determination Theory and practical implications for policymakers and educational stakeholders, emphasizing the need for comprehensive strategies that integrate teacher welfare, professional development, and managerial improvement to enhance overall educational quality.
Co-Authors Afandi, Muhammad Misbahul Akmal Akmal Akyas Shodiq Kurniawan Alam, Sri Rahayu Alghiffari, Eka Kevin Andriyani Andriyani Andriyani Aprilia, Dede Dwi Apriwulan, Hamdani Fajar Astiwi, Wuri Astutik, Wiwin Dwi Briones, Jane T. Caesaria, Nomalika Zindagi Dian Aprilia, Dian Doni Susanto, Doni Dumono Edi Purwanto Efendi, Rif'an Fitriana, Eni Fitriyani Fuadiyanti, Putri Genius, Dinda Hanama, Akhmad Hardi, Yuwono Hatmoko, Fajar Tri Heryuriani , Betty Hidayah Uswatun Kasanah Kintoko Kintoko Kintoko Kristiawan, Yusie Kuswantara, Hary Limori, Masako Mahmudah, Kunti Robiatul Maretha, Anggun Maretha, Dinda Genius Anggun Muntamah Novantoro, Andi Nugroho, Adian Purwo Nur janah, Nur Nur Wahyuni Pertiwi, Asmarani Dian Pisriwati, Siti Atwano Pujiastuti, Nur Ika Pulungan, Tondy Natama Purwanti Putri, Helena Anggraeni Rambe, Muhammad Yusuf Rini Widyastuti Risnawati Risnawati Rochmat, Syaiful Rozaq, Ramadhan Rifana Sadiyah , Khalimatu Sadiyah, Vaneza Kalema Samsinar Samsinar Samsinar Samsinar Saputra, Yohan Dwi Setiawan , Aldo Setiawan, Aldo Shahidayanti, Tutik Siti Mutmainah Sitti Nur Djannah Suparman Suparman Surya Adi Saputra Suryani, Erma Aris Suryatama, Handika Susetyawati , M.M. Endang Susetyawati, M.M. Endang Suwarta Syah, Arga Bagus Pratama Dyah Aan Firman Tanikawa, Kanako Tarso Tarso, Tarso Tino, Marilou D. Wantoro, Hari Wibowo, Agus Wahyu Wibowo, Wahyu Ari Yarkasi, Yarkasi Yogyanto, Nurcahyo Zarkasyi, Chairun Nisa Zein, Syaikha Dziyaulhaq