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Sendi Ramdhani

Universitas Terbuka

Author-ID : 5846799

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Neuroscience Nursing Physics Public Health Social Sciences Veterinary Other

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Implementasi Kepemimpinan Digital Kepala Sekolah dan Dampaknya terhadap Pemanfaatan Teknologi di Sekolah Dasar Rosita, Tita; Suhandoko, Astri Dwi Jayanti; Belawati, Tian; Sembiring, Maximus Gorky; Purwanto, Agus Joko; Ramdhani, Sendi; Kurniasih, Mia
BERNAS: Jurnal Pengabdian Kepada Masyarakat Vol. 7 No. 2 (2026)
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jb.v7i2.17265

Transformasi digital pada pendidikan dasar menuntut peran strategis kepala sekolah sebagai pemimpin perubahan dalam mengintegrasikan teknologi ke dalam pembelajaran dan pengelolaan sekolah. Kegiatan Pengabdian kepada Masyarakat ini bertujuan untuk memperkuat kepemimpinan digital kepala sekolah dasar serta menganalisis dampaknya terhadap pemanfaatan teknologi di sekolah. Metode pelaksanaan kegiatan menggunakan pelatihan yang bersifat aplikatif dan partisipatif, disertai dengan pengumpulan data melalui kuesioner untuk mengukur implementasi kepemimpinan digital kepala sekolah. Data dianalisis menggunakan metode Weighted Means Score (WMS) guna memperoleh gambaran tingkat capaian setiap indikator kepemimpinan digital. Hasil kegiatan menunjukkan bahwa kepemimpinan digital kepala sekolah berada pada kategori sangat baik, khususnya pada aspek visi digital, dorongan penggunaan teknologi dalam pembelajaran, keterbukaan terhadap inovasi, serta peran keteladanan kepala sekolah. Pelatihan terbukti mampu meningkatkan kesadaran dan kapasitas kepala sekolah dalam memimpin transformasi digital secara lebih terarah. Namun demikian, beberapa aspek seperti penguatan jejaring eksternal, penganggaran teknologi, dan kerja sama antar sekolah masih memerlukan pendampingan lanjutan. Secara keseluruhan, kegiatan ini memberikan dampak positif terhadap penguatan kepemimpinan digital dan pemanfaatan teknologi di sekolah dasar serta menjadi dasar rekomendasi pengembangan program pendampingan berkelanjutan untuk mendukung transformasi digital yang berkelanjutan.

Praxology in advanced geometry textbooks for distance education: A hermeneutic review of structure and knowledge representation Mery Noviyanti; Sudirman Sudirman; Thesa Kandaga; Sendi Ramdhani; Muhamad Galang Isnawan
Journal of Advanced Sciences and Mathematics Education Vol. 5 No. 2 (2025): Journal of Advanced Sciences and Mathematics Education
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jasme.v5i2.840

Background: Geometry plays a fundamental role in mathematics education by developing logical reasoning and spatial understanding. Despite its importance, geometry remains a difficult subject for university students, particularly in distance learning contexts. While several studies have analyzed geometry textbooks, few have examined their knowledge structures through a praxeological perspective. Aim: This study aims to analyze a university-level Euclidean geometry textbook by identifying how the components of praxeology, namely task (T), technique (τ), technology (θ), and theory (Θ), are organized and interconnected to support meaningful learning. Method: The research applied a hermeneutic phenomenological design. The textbook, used in a master’s geometry course at an Indonesian university, was analyzed through repeated readings and qualitative interpretation. Data were coded and categorized according to the praxeological framework and validated through researcher discussions. Result: The findings show that the textbook demonstrates a coherent praxeological structure with accurate theoretical explanations and effective technological representations. However, the analysis revealed weaknesses such as limited rationale for applying specific techniques, insufficient connection between theoretical concepts and exercises, and few examples of proofs. Conclusion: The study concludes that while the textbook reflects strong praxeological principles, improvements are needed in clarifying technique rationales, linking theory and practice, and structuring technological components. The results provide pedagogical insights for developing university geometry textbooks that enhance conceptual understanding, reflective reasoning, and learning effectiveness in both traditional and distance education settings.

The Development of Ethnomathematics-Based Learning Tools in Ball Games to Improve Understanding of Permutation and Combination Concepts Kinasih, Dewi; Sugilar; Ramdhani, Sendi
Jurnal Sains Sosio Humaniora Vol. 9 No. 2 (2025): Volume 9, Nomor 2 Desember 2025
Publisher : LPPM Universitas Jambi

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

This research aims to describe the development process, the quality of the development results, and the enhancement of students' conceptual understanding through the development of mathematics learning tools based on ethnomathematics using the bola bekel (a traditional ball game) activity. This study employs a Research and Development (R&D) design utilizing the ADDIE development model. The population of this study was students at SMAN 3, with the research sample consisting of eleventh-grade students. The resulting learning products from this R&D study include Lesson Plans (RPP) and Student Worksheets (LKPD). The findings of this development research are: 1) A detailed description of the systematic development of the learning product using the ADDIE model (Analyze, Design, Development, Implementation, Evaluation). 2) The quality of the developed product is categorized as good to very good, indicated by the results of validity, practicality, and effectiveness testing, which showed categories of very valid, practical-to-very practical, and effective, demonstrated by the increase in students' conceptual understanding. This increase is projected by the student passing rate on the Minimum Mastery Criteria (KKM) score, which rose significantly from a mere 9.09% to 78.8%. Based on the Wilcoxon test conducted, there is a significant influence from the use of ethnomathematics-based learning materials derived from the bola bekel game on students’ conceptual understanding of the Permutation and Combination subject matter. Referring to these research findings, it can be concluded that the development of ethnomathematics-based learning products utilizing the bola bekel game is proven valid, effective, and practical in enhancing students' conceptual understanding of Permutation and Combination.

Perbandingan Penerapan Model Pembelajaran Jigsaw dan Konvensional Ditinjau dari Keaktifan Belajar Siswa Zai, Derlina; Yumiati, Yumiati; Ramdhani, Sendi
JOEAI (Journal of Education and Instruction) Vol. 8 No. 2 (2025): JOEAI (Journal of Education and Instruction)
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/joeai.v8i2.14511

Tujuan penelitian ini untuk 1) Menganalisis perbedaan hasil belajar siswa yang dibelajarkan dengan model pembelajaran Jigsaw ditinjau dari keaktifan belajar siswa pada mata Pelajaran Matematika, 2) Menganalisis perbedaan hasil belajar siswa yang dibelajarkan dengan model pembelajaran Konvensional ditinjau dari keaktifan belajar siswa pada mata Pelajaran Matematika Penelitian ini merupakan penelitian kuantitatif menggunakan desain komparatif ex post facto. Penelitian ini dilaksanakan pada kelas IV SDN di Gunungsitoli Idanoi. Sampel penelitian berjumlah 97 siswa. Metode pengumpulan data yang digunakan dalam penelitian ini yaitu observasi dan posttest. Teknik analisis data menggunakan analisis Two Way Anova. Hasil penelitian menunjukan bahwa hasil belajar siswa yang dibelajarkan dengan model pembelajaran Jigsaw menunjukkan bahwa kategori Sangat Aktif terutama pada Kelas IVb dari SDN 071062 Umbuhumene menunjukkan nilai tertinggi dengan mean 83.64, sedangkan hasil belajar siswa yang diajarkan dengan model pembelajaran konvensional menunjukkan bahwa kategori Sangat Aktif terutama pada Kelas IVa SDN 071061 Tetehosi Idanoi dengan mean 80.00. Simpulan dari penelitian adalah model pembelajaran Jigsaw lebih unggul dibandingkan model konvensional dalam meningkatkan hasil belajar siswa di kelas IV pada mata pelajaran matematika. Oleh karena itu, pengimplementasian model pembelajaran ini dapat menjadi alternatif yang efektif dalam meningkatkan keaktifan belajar siswa. Kata Kunci: Model Pembelajaran Jigsaw, Konvensional, Keaktifan Belajar

The Impact of Differentiated Problem-Based Learning on Elementary Mathematical Thinking and Problem-Solving Dyah Kusumasari; Sendi Ramdhani; Novi Andri Nurchayono
Daya Matematis: Jurnal Inovasi Pendidikan Matematika Vol 14, No 1 (2026): Maret
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jdm.v14i1.82220

This study examines the effect of differentiated Problem-Based Learning (PBL) on critical thinking and mathematical problem-solving abilities among sixth-grade elementary students. These competencies are essential in today's global world yet remain inadequately taught in basic education. Using a quasi-experimental pretest-posttest control group design with cluster random sampling, the research was conducted at SDN Kutisari I/268 Surabaya for the 2025/2026 school year. The study involved 31 students in Class 6A (experimental group receiving differentiated PBL) and 31 students in Class 6C (control group receiving expository learning). Primary data came from pre-tests, post-tests on critical thinking and mathematical problem-solving, and observation sheets; secondary data from official documents. Research instruments underwent validity testing using Pearson's Product-Moment correlation, reliability testing using Cronbach's Alpha, difficulty level testing, and discriminating power index testing, analyzed via SPSS version 29. Data analysis employed the Shapiro-Wilk, Levene test, initial ability equivalence test, Mann-Whitney test, and Spearman’s Rank correlation. Findings reveal the experimental group achieved higher average post-test scores in critical thinking (80) and mathematical problem-solving (79), surpassing the control group’s scores of 74.9 and 73.3, respectively. The study concludes that differentiated PBL is more effective than expository teaching in enhancing these abilities. Results also indicate a positive relationship between critical thinking and problem-solving skills, suggesting mutual developmental support.

PENGEMBANGAN GAME EDUKASI PETUALANGAN SI WUNDA UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KOMPUTASIONAL (COMPUTATIONAL THINKING) SISWA KELAS IV SD Ahmad Irfan; Gusti Yarmi; Sendi Ramdhani
Jurnal Muara Pendidikan Vol. 10 No. 2 (2025): Jurnal Muara Pendidikan, Vol 10 Issue 2, Desember 2025
Publisher : LPPM Universitas Muhammadiyah Muara Bungo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/mp.v10i2.3756

Computational thinking is an essential 21st-century skill that remains low among elementary school students, particularly in Science and Social Studies (IPAS) learning on the topic of changes in the state of matter. This study aims to develop and evaluate the feasibility, practicality, and effectiveness of an educational game entitled The Adventure of Wunda as an interactive learning medium. The research employed a Research and Development (R&D) approach using the ADDIE model, consisting of analysis, design, development, implementation, and evaluation stages. The instruments included expert validation sheets, student response questionnaires, and pre-test and post-test assessments of computational thinking skills. The results showed that the game was valid according to experts, received “practical–very practical” responses from students, and effectively improved computational thinking skills, as indicated by a high N-Gain score and a significant difference based on the Wilcoxon test. Therefore, The Adventure of Wunda is feasible and effective for IPAS learning in elementary schools.

From habit to deep learning: teacher strategies for advancing elementary students’ reading literacy Sri Dewi Nirmala; Ryan Dwi Puspita; Sendi Ramdhani
Primary: Jurnal Pendidikan Guru Sekolah Dasar Vol. 15 No. 2 (2026): April
Publisher : Laboratorium Program Studi Pendidikan Guru Sekolah Dasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33578/jpfkip.v15i2.255-272

Reading literacy is a fundamental competency in elementary education and a prerequisite for lifelong learning. However, literacy skills in Indonesia, particularly reading literacy, indicate that students still face challenges with higher-order literacy skills, especially in making inferences, evaluating texts, and engaging in reflective reading. This situation highlights the importance of refining teachers' strategies, promoting meaningful reading habits, and using technology to support literacy through a deep-learning approach. This study aims to analyze (1) the level of reading literacy among elementary students, (2) the influence of reading habits and teacher instructional strategies on literacy development, and (3) teachers’ efforts to enhance literacy through learning models, technology, and deep learning-based experiences. The study employed a descriptive quantitative approach involving 124 elementary school teachers from 17 provinces in Indonesia. Data were collected using structured questionnaires and observation sheets, and subsequently analyzed using descriptive statistics. The results indicate varied literacy levels among students that (1) 15% require special intervention, (2) 40% are at the basic level, (3) 25% are at the proficient level, and (4) 20% are at the advanced level. Reading habit programs were implemented consistently and had a positive impact. However, they remained routine and insufficient in fostering reflective and critical thinking skills. Teachers played an active role in integrating literacy into learning, although the instructional strategies used to enhance literacy remained limited in variety and innovation. Technology integration appeared in implementation and assessment, but was mostly limited to the planning stage. A gap exists between teacher strategies and student literacy achievement. To bridge this gap, literacy instruction should shift from routine practices to a deep-learning-based approach grounded in the principles of meaningfulness, awareness, and enjoyment, accompanied by systematic teacher capacity building and technology integration to support sustainable literacy development.

PENGARUH MODEL COOPERATIVE LEARNING TIPE TWO STAY TWO STRAY (TSTS) TERHADAP KEMAMPUAN PEMAHAMAN DAN BERPIKIR KRITIS MATEMATIS SISWA SEKOLAH DASAR Khalida Ziah Siregar; Sendi Ramdhani; Sumarni Sumarni
SCIENCE : Jurnal Inovasi Pendidikan Matematika dan IPA Vol. 6 No. 2 (2026)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia (P4I)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/science.v6i2.10734

This research is motivated by students' low mathematical understanding and critical thinking skills in mathematics learning in elementary schools. Initial observations at SDN 100900 Gunungtua showed that some students still had difficulty understanding the concept of plane figures and had not yet achieved the Minimum Completion Criteria (KKM). This study aims to determine the effect of the Two Stay Two Stray (TSTS) Cooperative Learning model on the mathematical understanding and critical thinking skills of fourth-grade students at SDN 100900 Gunungtua. This study used a quantitative approach with a quasi-experimental type and a Nonequivalent Control Group Design. The study population was all 40 fourth-grade students. The sampling technique used total sampling, with class IV-B as the experimental class and class IV-A as the control class. Data collection techniques were carried out through mathematical understanding tests and critical thinking skills tests. The research instrument was a descriptive test that had been tested for validity and reliability. Data analysis was carried out through normality tests, homogeneity tests, Independent Sample t-tests, and MANOVA. The results of the study showed that the TSTS learning model had a significant effect on students' mathematical understanding (t = 4.367; Sig. 0.000 < 0.05) and critical thinking skills (t = 3.835; Sig. 0.000 < 0.05). The MANOVA test results also showed a significant simultaneous effect (F = 10.025; Sig. 0.000 < 0.05). Thus, the TSTS learning model effectively improves students' mathematical understanding and critical thinking skills. ABSTRAK Penelitian ini dilatarbelakangi oleh rendahnya pemahaman matematis dan kemampuan berpikir kritis siswa dalam pembelajaran matematika di sekolah dasar. Hasil observasi awal di SDN 100900 Gunungtua menunjukkan bahwa sebagian siswa masih mengalami kesulitan memahami konsep bangun datar dan belum mencapai Kriteria Ketuntasan Minimal (KKM). Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran Cooperative Learning tipe Two Stay Two Stray (TSTS) terhadap pemahaman matematis dan kemampuan berpikir kritis siswa kelas IV SDN 100900 Gunungtua. Penelitian ini menggunakan pendekatan kuantitatif dengan jenis quasi experiment dan desain Nonequivalent Control Group Design. Populasi penelitian adalah seluruh siswa kelas IV yang berjumlah 40 siswa. Teknik pengambilan sampel menggunakan total sampling, yaitu kelas IV-B sebagai kelas eksperimen dan kelas IV-A sebagai kelas kontrol. Teknik pengumpulan data dilakukan melalui tes pemahaman matematis dan tes kemampuan berpikir kritis. Instrumen penelitian berupa tes uraian yang telah diuji validitas dan reliabilitasnya. Analisis data dilakukan melalui uji normalitas, homogenitas, uji Independent Sample t-test, dan MANOVA. Hasil penelitian menunjukkan bahwa model pembelajaran TSTS berpengaruh signifikan terhadap pemahaman matematis siswa (t = 4,367; Sig. 0,000 < 0,05) dan kemampuan berpikir kritis siswa (t = 3,835; Sig. 0,000 < 0,05). Hasil uji MANOVA juga menunjukkan pengaruh signifikan secara simultan (F = 10,025; Sig. 0,000 < 0,05). Dengan demikian, model pembelajaran TSTS efektif meningkatkan pemahaman matematis dan kemampuan berpikir kritis siswa.

A Comparison of Learning Using Animated Video and Padlet Viewed From the Ability of Writing Skills Elementary School Students Yuli Artanti; Syafruddin Syafruddin; Sendi Ramdhani
Eduvest - Journal of Universal Studies Vol. 5 No. 2 (2025): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v5i2.50806

This study aims to compare the effectiveness of animated video and Padlet as learning media in improving elementary school students' writing skills. The research employs a mixed-method approach, combining quantitative and qualitative analyses. The study was conducted with 33 fifth-grade students at SDN Jatiwarna 2, Bekasi, using a quasi-experimental design with pre-test and post-test evaluations. The results indicate that both media positively impact students' writing abilities; however, Padlet is more effective in enhancing students' engagement, creativity, and collaboration. Students who utilized Padlet demonstrated better writing structures, improved idea development, and slot deposit 5000 higher motivation due to interactive peer feedback. Meanwhile, animated video effectively increased students' understanding of writing steps but lacked interactive elements. Statistical analysis confirmed a significant difference in learning outcomes between the two media, with Padlet achieving higher effectiveness. These findings suggest that integrating Padlet into writing instruction can foster a more interactive and engaging learning environment, ultimately improving students' writing proficiency.

Pengaruh Literasi Digital dan Minat Belajar terhadap Kemampuan Berpikir Kritis Siswa Sekolah Dasar Neng Ela; Happy Karlina Marjo; Sendi Ramdhani
Pedagogik Journal of Islamic Elementary School Vol. 8 No. 3 (2025): Pedagogik Journal of Islamic Elementary School
Publisher : Institut Agama Islam Negeri Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/pijies.v8i3.8340

Penelitian ini bertujuan untuk menganalisis pengaruh literasi digital dan minat belajar terhadap kemampuan berpikir kritis siswa kelas 5 SD di Gugus 7 Kecamatan Cakung. Metode penelitian menggunakan pendekatan kuantitatif dengan metode survey. Populasi penelitian adalah seluruh siswa kelas 5 SD di Gugus 7 Kecamatan Cakung, dengan sampel sebanyak 156 siswa yang dipilih menggunakan teknik cluster sampling. Teknik pengumpulan data menggunakan data primer berupa angket literasi digital, angket minat belajar dan tes kemampuan berpikir kritis. Analisis data dilakukan menggunakan regresi linier sederhana dan regresi berganda, dengan uji-t untuk pengaruh parsial dan uji F untuk pengaruh simultan. Hasil uji-t menunjukkan bahwa literasi digital berpengaruh signifikan terhadap kemampuan berpikir kritis dengan nilai t-hitung = 21,995 > t-tabel =1,65481 dan nilai signifikansi 0,001 < 0,05. Demikian pula minat belajar berpengaruh signifikan terhadap kemampuan berpikir kritis dengan nilai t-hitung = 19,773 > t-tabel = 1,65481 dan nilai signifikansi 0,001 < 0,05. Hasil ini membuktikan bahwa semakin tinggi literasi digital dan minat belajar siswa, semakin baik pula kemampuan berpikir kritis yang dimiliki. Secara simultan, hasil uji F menunjukkan bahwa literasi digital dan minat belajar secara bersama-sama berpengaruh signifikan terhadap kemampuan berpikir kritis siswa, dengan nilai F hitung = 360,490 > F tabel = 3,06 dan signifikansi <0,001. Kesimpulan dari penelitian ini adalah literasi digital berfungsi sebagai keterampilan dasar yang membantu siswa dalam mengakses, mengevaluasi, dan mengolah informasi, sementara minat belajar menjadi pendorong motivasional untuk memanfaatkan keterampilan tersebut secara optimal.

Co-Authors Abdul Mujib Afriani Afriani Ahmad Irfan Amalia Sapriati Andri Nurcahyono, Novi Andriani, Farida Andriyani, Setiya Annisa Nurlaela Artanti, Yuli Astri Dwi Jayanti Suhandoko Bachtiar Bachtiar Baehaki, Imam Bahasa Indonesia, Bahasa Indonesia Budi Pratikno, Budi Candini Fatmawati Didi Suryadi Dyah Kusumasari Elang Krisnadi Fatmawati Hiola Firdaus, Fery Muhamad Fitria Amastini Gusti Yarmi Happy Karlina Marjo Harry Dwi Putra Harry Dwi Putra, Harry Dwi Hartingsih, Hartingsih Hartiningsih Hartiningsih Hasratuddin Hasratuddin Hedi Budiman Hery Widijanto Hidayat, Andi Reza I. Isfarudi Irfan, Ahmad Isfarudi Isfarudi Isfarudi Isnawan, Muhamad Galang Isti Rokhiyah Jalil, Jefri Nurdin Abdul Jalil, R Jefri Nurdin Abdul Jodi, Sutriyana Karso Karso Khalida Ziah Siregar kiki ratnaning arimbi Kinasih, Dewi Krisnadi, Elang Kurniasih, Mia Kusumastuti, Mimin Nurjhani Laksmini, Margareta Diana Maharani, Arry Rekno Ulta Maman Rumanta Manalu, Meyanti Maria Noviana Martalina Mery Noviyanti Mugiono Mugiono Muhammad Amin Fauzi Muhammad, Guntur Maulana Murip, Dorli Neng Ela Nita Rahayu Novi Andri Nurcahyono Novi Andri Nurcahyono Novi Andri Nurchayono Nur Asih Nur Asih, Nur Paillin, Bongga Pannen, Paulina PUJI LESTARI Purwanto, Agus Joko Puryati Puryati Puryati Puryati Puryati Puryati, Puryati Puspitasari, Kristanti Ambar Rani Sugiarni Razali, Fazilah binti Redo Andi Marta, Redo Andi Resti Haryanti Sidebang Riandi Marisa Rini Subiyati Rokhiyah, Isti Ronaldo Kho Rovel Lufitos Rustan Ryan Dwi Puspita Sembiring, Maximus Gorky Siti Julaeha, Siti Sri Dewi Nirmala Sudarno Sudarno Sudirman Sufyani Prabawanto, Sufyani Sufyati HS Sugilar Suhandoko, Astri Dwi Jayanti Sumarni Syafruddin Syafruddin Syahril Syahril Syaiful Huda Syifa'ana, Sri Wulan Sylvia Sylvia Tatag Yuli Eko Siswono Then, Yoana Merilla Kurniawan Thesa Kandaga Tian Belawati, Tian Tita Rosita Tri Dyah Prastiti Wakhudin Widyyatun Ni'amah, Ika Wisata, Widya Yarmi, Gusti Yuli Artanti Yumiati Yustiara, Dana YUYUN ELIZABETH PATRAS, YUYUN ELIZABETH Zai, Derlina

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