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All Journal International Journal of Public Health Science (IJPHS) Al Khawarizmi: Jurnal Pendidikan dan Pembelajaran Matematika Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika Jurnal Pendidikan Matematika (Kudus) Pelita : Jurnal Penelitian dan Karya Ilmiah Indo-MathEdu Intellectuals Journal Jurnal Pengabdian Masyarakat Bestari (JPMB) Jurnal Lingkar Mutu Pendidikan 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 Hexagon: Jurnal Ilmu dan Pendidikan Matematika RUKASI: Jurnal Ilmiah Perkembangan Pendidikan dan Pembelajaran Jurnal Padamu Negeri Journal of Social and Community Development Civitas: Jurnal Pengabdian Masyarakat Contemporary Education and Community Engagement Jurnal Lingkar Mutu Pendidikan
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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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.
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
Developing an RME-based 3D storybook with AR technology to enhance spatial ability Rochmat, Syaiful; Andriyani, Andriyani; Siswanto, Deny Hadi
Bulletin of Applied Mathematics and Mathematics Education Vol. 5 No. 1 (2025)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/bamme.v5i1.10880

Abstract

This research aims to develop a 3D storybook using realistic mathematics education (RME) approach and augmented reality (AR) technology to enhance students' spatial ability. We used the ‘Analysis, Design, Development, Implementation, and Evaluation’ (ADDIE) development model and involved 34 eighth-grade students of SMP N 15 Yogyakarta – a public junior high school in Indonesia. During the development, we underwent several interviews, observations, asking experts’ validation to the content and the media, asking students’ response to the product, and tests related to the students' spatial ability. The results suggest that the content validation got an average score of 109 (good criteria), the media validation got an average score of 48.16 (good criteria), and the students response got an average score of 78.36 (very good criteria). At the end of the stage, there are still found an obstacle during the testing of the 3D storybook, namely the time required to load the 3D content. It makes some students encounter difficulty to access it, indicating the need for further development. However, the final product could facilitate the students to exercise their spatial ability using the 3D storybook while learning geometry.
DEEP LEARNING APPROACH TO TEACHING MULTIPLICATION CONCEPTS USING COIN MEDIA: CLASSROOM ACTION RESEARCH IN ELEMENTARY SCHOOL Efendi, Rif'an; Siswanto, Deny Hadi; Saputra, Surya Adi
Jurnal Padamu Negeri Vol. 2 No. 2 (2025): April : Jurnal Padamu Negeri (JPN)
Publisher : CV. Denasya Smart Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69714/xaewmx28

Abstract

This study is a Classroom Action Research (CAR) aimed at improving the understanding of multiplication concepts among Grade II A students of SD N Koroulon 2 Sleman through a Deep Learning approach assisted by coin-based media. The research was conducted in two cycles using the spiral model developed by Kemmis and McTaggart. In the Cycle I, the learning process focused on using coin games as a concrete medium to build conceptual understanding of multiplication. The results showed that only 68% of students achieved learning mastery. Discrepancies were still observed in the achievement indicators, particularly in converting repeated addition into multiplication sentences. Based on the reflection results, improvements were implemented in the Cycle II through strategies such as paired group work, varied learning activities, and the inclusion of a "semi-abstract" stage in the instructional process. The results of the second cycle showed a significant improvement: learning mastery reached 89%, and all learning achievement indicators exceeded 80%. This study demonstrates that the Deep Learning approach, supported by contextual media and adaptive teaching strategies, can meaningfully enhance students' conceptual understanding of multiplication. This success was also supported by effective classroom communication and the cultivation of reflective thinking habits throughout the learning process.
DIFFERENTIATED LEARNING STRATEGIES FOR ENHANCING ENGAGEMENT AND ACHIEVEMENT IN MATHEMATICS: A CLASSROOM ACTION RESEARCH STUDY Siswanto, Deny Hadi; Syah, Arga Bagus Pratama Dyah Aan Firman; Kuswantara, Hary
Jurnal Padamu Negeri Vol. 2 No. 3 (2025): Juli : Jurnal Padamu Negeri (JPN)
Publisher : CV. Denasya Smart Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69714/55abts08

Abstract

This study aims to enhance students' engagement and mathematics achievement through the implementation of differentiated learning. The method employed is classroom action research conducted in two cycles, each consisting of planning, action implementation, observation, evaluation, and reflection stages. The research was carried out during the odd semester at SMK Muhammadiyah 1 Sleman with the participation of 28 students from the XI Automotive class. The findings reveal a significant improvement in students' engagement and learning outcomes. In the first cycle, the average engagement score was 9.51, which increased to 17.12 in the second cycle. Regarding learning outcomes, in the first cycle, only 10 students (35,71%) achieved the passing grade, while 18 students (64.29%) did not, with an average score of 64.75. In the second cycle, the number of students achieving the passing grade sharply increased to 28 students (100%) with an average score of 84.92. These results demonstrate that differentiated learning effectively enhances student engagement and mathematics achievement in the XI Automotive class at SMK Muhammadiyah 1 Sleman during the 2024/2025 academic year
BALANCING ACADEMIC PERFORMANCE AND SPORTS ACHIEVEMENT IN SPECIAL SPORTS CLASS MANAGEMENT Hidayah Uswatun Kasanah; Edi Purwanto; Akyas Shodiq Kurniawan; Siswanto, Deny Hadi
Jurnal Padamu Negeri Vol. 2 No. 4 (2025): Oktober : Jurnal Padamu Negeri (JPN)
Publisher : CV. Denasya Smart Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69714/80ba7m37

Abstract

This study aims to provide an in-depth description of the management and development of the special sports class program at Muhammadiyah 1 Mlati Junior High School. A qualitative approach with a descriptive study design was employed. Data were collected through in-depth interviews, participatory observation, and document analysis involving the principal, physical education teachers, coaches, students, and other relevant stakeholders. The findings indicate that the program is managed based on key management functions: planning, organizing, implementation, and supervision. The coaching process is carried out systematically through a rigorous selection process, structured training, and academic support. Despite facing limitations in facilities, the school addresses these challenges through external collaborations. The program has had significant impacts, including improved student sports achievements at the national level, character development, and an enhanced school image. However, challenges remain, particularly the low academic motivation among some students, which requires further attention. The study concludes that the program has been implemented effectively and serves as a good practice model for talent and interest-based education, although regular evaluation and integrated curriculum enhancement are needed to maintain a balance between academic and non-academic achievements
The Impact of a Collaborative Problem-based Learning on Performance in Inverse Matrix Learning, Critical Thinking Skills, and Student Anxiety Siswanto, Deny Hadi
Contemporary Education and Community Engagement (CECE) Vol. 2 No. 1 (2025)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/cece.v2i1.1034

Abstract

The main aim of this study was to evaluate the efficiency of collaborative Problem-Based Learning (PBL) approaches, whether carried out in group settings or in pairs, by examining student performance in understanding inverse matrix concepts, their proficiency in critical thinking, and their levels of anxiety. Using a quasi-experimental approach with a pretest-post-test non-equivalent comparison-group design, the study focused on students from XI Science classes at Kasihan 1 State High School, with classes XI Science 2 and XI Science 3 selected randomly as samples. Pretest and post-test measures were administered to both groups, evaluating their performance in matrix learning, critical thinking, and anxiety levels. The effectiveness of collaborative PBL was analyzed using independent sample t-tests. Results indicated that collaborative PBL, whether in group or pair formats, led to improvements in students' achievement in inverse matrix learning, critical thinking skills, and a decrease in anxiety levels. Additionally, collaborative group PBL proved to be more effective than collaborative pair PBL across these variables.
Development of a Guided Discovery-Based Scientific Approach Module for Enhancing Problem-Solving Skills Wantoro, Hari; Afandi, Muhammad Misbahul; Siswanto, Deny Hadi
Contemporary Education and Community Engagement (CECE) Vol. 2 No. 1 (2025)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/cece.v2i1.1271

Abstract

This study aims to develop a mathematics learning module based on a scientific approach with guided discovery to enhance the problem-solving skills of eighth-grade students. The research employs a development method following the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). The findings indicate that: (1) The developed learning module meets the criteria of validity, practicality, and effectiveness in improving students' mathematical problem-solving skills; (2) In terms of validity, the module is considered valid based on expert assessments, with an average score of 3,1 from module experts and 3.3 from subject matter experts, including lecturers and mathematics teachers; (3) Regarding practicality, the module is deemed practical based on student responses, with an average score of 3,16; (4) In terms of effectiveness, the Paired t-test results show a significance value (sig. 2-tailed) of 0,000 < 0,05, leading to the rejection of H0, indicating that the mathematics learning module is effective in enhancing problem-solving skills, with an improvement of 0,39 categorized as small. After using the module, all students (100%) scored above the minimum competency standard, with an average score of 83,96. Thus, the mathematics learning module based on a scientific approach with guided discovery meets the criteria of validity, practicality, and effectiveness in enhancing the problem-solving skills of 4 Sewon State Junior High School.
Effectiveness of the Scramble Learning Model on Students' Ability to Understand Mathematical Concepts Aprilia, Dian; Kintoko, Kintoko; Siswanto, Deny Hadi
Contemporary Education and Community Engagement (CECE) Vol. 2 No. 1 (2025)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/cece.v2i1.1282

Abstract

This study aims to analyze the effectiveness of the use of the Scramble type cooperative learning model on the mathematical concept understanding ability of class VII students of Muhammadiyah 1 Mlati Junior High School: A Quasi-experimental Study with a Posttest Only Control Design consisting of two groups, namely the experimental class treated with the Scramble learning model (VII-B with 30 students) and the control class using conventional learning (VII-C with 30 students). The results of this study indicate that the sig. 2-tailed 0.000 < 0.05, which indicates a significant effect of the application of the Scramble model on the understanding of mathematical concepts. This study provides an important contribution to the development of more innovative mathematics teaching methods, where the implementation of learning from the teacher's side is quite high, namely 97.91% with an excellent category, while the implementation of learning by students reaches 96.15% with an excellent category.
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 Atwano, Siti Briones, Jane T. Caesaria, Nomalika Zindagi Dian Aprilia, Dian Doni Susanto, Doni Dumono Edi Purwanto Efendi, Rif'an Fitriana, Eni Fitriyani Fuadiyanti, Putri 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, Dinda Genius Anggun Muntamah Nanang Khuzaini, Nanang Novantoro, Andi Nugroho, Adian Purwo Nur janah, Nur Nur Wahyuni Pertiwi, Asmarani Dian Pisriwati, Siti Atwano Pujiastuti, Nur Ika Pulungan, Tondy Natama Putri, Helena Anggraeni Rambe, Muhammad Yusuf Rini Widyastuti Risnawati Risnawati Rochmat, Syaiful Rozaq, Ramadhan Rifana Sadiyah , Khalimatu Sadiyah, Vaneza Kalema Saputra, Yohan Dwi Setiawan , Aldo Setiawan, Aldo Shahidayanti, Tutik Shigematsu, Taiyu Siswahyudianto Sitti Nur Djannah Sulistyowati, Ani 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. Triyulia, Ghea Nanda Wantoro, Hari Wibowo, Agus Wahyu Wibowo, Wahyu Ari Yarkasi, Yarkasi Yogyanto, Nurcahyo Yuliawati, Yuyun Zarkasyi, Chairun Nisa Zein, Syaikha Dziyaulhaq