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All Journal Foristek Jurnal Ilmiah Pendidikan Fisika Journal of Mathematics Science and Computer Education Komunita: Jurnal Pengabdian dan Pemberdayaan Masyarakat Equator Science Journal (ESJ)
Rudi Santoso
Universitas Tadulako
Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Environmental Science Mathematics Physics Public Health Social Sciences

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ANALISIS KONSUMSI ENERGI LISTRIK UNTUK PENCAPAIAN EFISIENSI ENERGI DI KANTOR DEWAN PERWAKILAN RAKYAT DAERAH KABUPATEN TOJO UNA-UNA Duldes S. Lambey; Nurhani Amin; Yulius S. Pirade; Rudi Santoso
Foristek Vol. 11 No. 2 (2021): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v11i2.112

Abstract

Audit of Electrical Energy at the Regional House of Representatives of the Tojo Una-Una District is a comprehensive method in examining energy use in a building to find the value of Energy Consumption Intensity (IKE) and Energy Saving Opportunities (PHE) that can be obtained to reduce energy waste so that the consumption of electrical energy is more effective and efficient. The audit of Electrical Energy is carried out according to SNI 03-6196-2000 concerning Energy audit procedures in buildings and the Regulation of the Minister of Energy and Mineral Resources of the Republic of Indonesia Number 13 of 2012 concerning Savings Electricity Consumption. The results of the evaluation of the Energy Consumption Intensity Calculation conducted at the Office of the Regional House of Representatives of Tojo Una-Una District known that there are 16 rooms with the criteria for the Energy Consumption Intensity (IKE) value, namely an office building with air conditioning has efficient enough 8 rooms, wasteful 3 rooms and based on office buildings without Air-conditioning is quite efficient in 3 rooms and wasteful in 2 rooms. The results of Energy Saving Opportunities (PHE) that have been identified by using air conditioning and energy-saving lamps, reducing hours of use without reducing the quality of service in the office can save electricity consumption of 2.339,5165 kWh/month or save electricity bill payments of IDR. 3.379.899,60/month.
Pelatihan Pembuatan Permainan Edukasi Online Menggunakan Aplikasi QuizWhizzer untuk Meningkatkan Kecakapan Digital Guru Delthawati Isti Ratnaningtyas; Sahrul Saehana; Ielda Paramita; Rudi Santoso
KOMUNITA: Jurnal Pengabdian dan Pemberdayaan Masyarakat Vol 5 No 2 (2026): Mei
Publisher : PELITA NUSA TENGGARA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60004/komunita.v5i2.597

Abstract

Teachers have commonly utilized existing online educational games to create more engaging learning experiences. However, their digital competence in developing online educational games remains insufficiently developed. QuizWhizzer is one of the digital applications that can be used to create online educational games. Therefore, this community service program aimed to (1) train teachers to use the QuizWhizzer application in developing online educational games, (2) improve teachers’ digital competence, and (3) examine teachers’ responses to the training program. The participants consisted of 34 teachers from SMPN 6 Palu. The program was conducted through three stages: preparation, implementation, and evaluation. The training activities included lectures, demonstrations, and hands-on practice in using the QuizWhizzer application. The results showed that the average pre-test score of teachers’ digital competence was 53.33, while the average post-test score increased to 72.94, with a normalized gain score of 0.44. In addition, 94.12% of the participants successfully completed the practical assignment of developing online educational games using QuizWhizzer. The average score of teachers’ responses to the training was 4.65, indicating a highly positive perception. Based on these findings, it can be concluded that (1) the teachers were successfully trained to use QuizWhizzer for developing online educational games, (2) their digital competence improved at a moderate level, and (3) they expressed highly positive responses toward the training program.
Mapping the Intellectual Structure of Item Response Theory and Rasch Model Applications in Physics Education Assessment: A Scopus-Based Bibliometric Analysis Haeruddin Haeruddin; Delthawati Isti Ratnaningtyas; Muhammad Jarnawi; Syamsuriwal Syamsuriwal; Rudi Santoso
Journal of Mathematics Science and Computer Education Vol 6, No 1 (2026): MAY 2026
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jmscedu.v6i1.18491

Abstract

Assessment in physics education requires valid and reliable measurement instruments capable of accurately representing students’ cognitive abilities, including conceptual understanding, scientific reasoning, and problem-solving skills. Over the past decades, instrument validation has shifted from Classical Test Theory to modern probabilistic measurement models, particularly Item Response Theory (IRT) and the Rasch model. Despite the growing application of these models in physics education research, the expanding literature remains thematically and methodologically fragmented, limiting a comprehensive understanding of the field’s intellectual development. Therefore, this study aims to map the intellectual structure and research trends of IRT and Rasch model applications in physics education assessment. This study employed a bibliometric research design using 243 Scopus-indexed publications published between 2001 and 2026. Bibliographic metadata were retrieved using Publish or Perish and analyzed using the Bibliometrix package in RStudio and VOSviewer to examine publication trends, influential sources, collaboration networks, and keyword co-occurrence patterns. The results reveal substantial growth in publications, increasing by more than 1,150% over the past two decades. Five major thematic clusters were identified: measurement frameworks, psychometric modeling, validity and fairness, instrument development and technology, and learning progression. Emerging themes such as computational thinking, digital instrument development, and multidimensional assessment indicate a shift toward competency-based and technology-supported assessment practices. Overall, the findings reveal the intellectual structure and research trends of IRT and Rasch model applications in physics education assessment, demonstrating their growing role as central methodological frameworks in contemporary assessment research. These findings also provide directions for future research, particularly in developing multidimensional Rasch-based instruments and technology-enhanced assessment systems in physics education
Development of Arduino-Based Light Energy Transmission Tool to Improve Students’ Conceptual Understanding of Junior High School Hardianty Lutfiah; Ketut Alit Adi Untara; Unggul Wahyono; Rudi Santoso
Equator Science Journal Vol. 4 No. 2 (2026): Equator Science Journal (ESJ)
Publisher : CV. Dharma Samakta Edukhatulistiwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61142/esj.v4i2.355

Abstract

Light energy transmission is one of the topics in junior high school science (Physics) that potentially causes comprehension difficulties due to its abstract nature when delivered solely through theoretical instruction. A literature review of Arduino-based studies reveals two gaps: first, some studies focused only on measuring light intensity without examining light energy transmission through specific media; second, studies that measured transmission through transparent materials remained limited to ideal laboratory conditions and had not integrated assessments of students' conceptual understanding. This study aimed to develop a light energy transmission measuring teaching aid based on the Arduino ESP32 type, programmed using the Arduino IDE. The ESP32 was selected due to its advantages over conventional Arduino, integrated Wi-Fi and Bluetooth, enabling more accurate sensor readings and real-time data display. The novelty of this study lies in its focus on light energy transmission, utilization of ESP32, an LED flashlight as a contextual light source, testing on nako glass and no medium conditions, and direct assessment of students' conceptual understanding within a single integrated design. The method used in this study is the Research and Development (R&D) method with the ADDIE model design, conducted at SMP Negeri 7 Sigi involving 21 eighth-grade students of class VIII A. Data were analyzed using the N-Gain formula. The results showed an N-Gain score of 0.58 which falls in the moderate category, indicating an improvement in students' conceptual understanding after participating in the learning process by applying teaching aids in the learning.
Implementation of Physics Learning Media Using Kakula Musical Instruments on Student Learning Outcomes on Sound Wave Materials Wanda Wanasita; Rudi Santoso; Unggul Wahyono; Ketut Alit Adi Untara
Jurnal Ilmiah Pendidikan Fisika Vol 9, No 3 (2025): OCTOBER 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jipf.v9i3.16064

Abstract

Physics education at the high school level still faces challenges in improving student learning outcomes on abstract concepts such as sound waves. Many instructional approaches lack contextual or culturally relevant elements that can make learning more engaging and meaningful. This research explores the integration of local cultural elements into physics education using the Kakula musical instrument as a contextual learning tool. Using a quasi-experimental method guided by the Educational Reconstruction model, this study examines the academic validity of the learning media and its impact on student learning outcomes. The kakula instrument, rich in acoustic properties, was used to teach the concepts of waves and sounds within a problem-based learning framework. The experiment showed a statistically significant improvement in learning outcomes, with average post-test scores increasing from 59.94 to 70.53. Statistical tests, including normality, homogeneity (Bonett and Levene), and a t-test, showed a p-value of 0.0001 < 0.05, which means that the null hypothesis is rejected. The alternative hypothesis is accepted, indicating a significant effect of physics learning media using the Kakula musical instrument on student learning outcomes on the topic of sound waves. The results of the research can serve as a basis for developing culturally integrated teaching materials while preserving local heritage and enriching science education practices.      
Co-Authors Darsikin Darsikin Delthawati Isti Ratnaningtyas Duldes S. Lambey Haeruddin Haeruddin Hardianty Lutfiah I Wayan Darmadi Ielda Paramita Ketut Alit Adi Untara Muhammad Jarnawi Nurhani Amin Sahrul Saehana Syamsuriwal, Syamsuriwal Unggul Wahyono Wanda Wanasita Yulius S. Pirade