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All Journal BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Physics Education Research Journal International Journal of Research in Education (IJRE) Jurnal Fisika Journal of Environmental and Science Education Physics Communication
Supriyadi
Universitas Negeri Semarang
Education Physics Other

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Augmented Reality Learning Media with a Problem-Based Learning Model to Enhance the Students' Comprehension on Mathematical Concepts Dian Priambudi; Yeri Sutopo; Supriyadi
International Journal of Research in Education Vol. 4 No. 2 (2024): Issued in July 2024
Publisher : LPPM Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijre.v4i2.701

Abstract

The aim of this research is to develop augmented reality learning media with a problem-based learning model and analyze the feasibility, practicality, and effectiveness of augmented reality learning media with a problem-based learning model in improving students' understanding of mathematical concepts. This research uses the research and development method with the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). The sampling technique used is a random assignment, namely random sampling, where the experimental and control groups are chosen randomly from a lottery. The first lottery that came out was used as the experimental class, and the second lottery was used as the control class. Data collection techniques in this research used interview techniques, questionnaires, and tests. The results show (1) augmented reality learning media with a problem-based learning model is suitable for use, (2) augmented reality learning media is very practical to use, (3) understanding of mathematical concepts of students who receive learning with augmented reality media is better than students with conventional learning, and there are significant differences. (4) The augmented reality-based learning media developed is effective in use. The findings imply that the augmented reality learning media with a problem-based learning model can be an alternative and innovative media in assisting the student’s comprehension on mathematical concepts
The Feasibility and Effectiveness of a Physics Enrichment Book Based on Ethnophysics of the Borobudur Temple Raden Rohadi; Supriyadi; Ani Rusilowati
Physics Communication Vol. 9 No. 2 (2025): August 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/pc.v9i2.29746

Abstract

This study aims to explore ethnophysical concepts embedded in Borobudur Temple and to develop a contextual physics enrichment book for senior high school students. Indonesia possesses a rich cultural heritage with strong potential for contextualized science education, and Borobudur Temple—an architectural masterpiece that embodies various physics principles—offers a unique opportunity to design culturally relevant learning resources. The research employed a Research and Development (R&D) approach using the AM3PU3 model and a one-group pretest–posttest design involving 74 students from SMA Negeri 1 Tengaran. Data were collected through expert validation, student questionnaires, and pretest–posttest scores, and analyzed using the N-Gain test. The findings indicate that mechanical concepts grounded in ethnophysics are present in the temple’s structure and can support culturally based physics instruction. The developed book received expert validation scores of 3.40 for content, 3.83 for language, and 3.63 for presentation (on a 1–4 scale). Student responses were also high, with scores of 4.00 for readability, 3.98 for effectiveness, and 3.90 for design (on a 1–5 Likert scale). The N-Gain result of 0.30 indicated a moderate improvement. These findings suggest that integrating ethnophysics may serve as a culturally responsive strategy to enhance students’ conceptual understanding and engagement in science education.
2D Modeling of Subsurface Structures Based on Gravity Data of Mount Arjuno-Welirang Alifa Tri Handayani; M. Aryono Adhi; Supriyadi; Budi Eka Nurcahya
Physics Education Research Journal Vol. 7 No. 2 (2025)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

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

Abstract

Indonesia is a country that has volcanoes stretching from west to east from Sumatra, Java to Sulawesi. Mount Arjuno-Welirang is a stratovolcano type volcano with an altitude of about 3,339 m (10,955) for Mount Arjuno while for Welirang it is about 3,156. Mount Arjuno-Welirang and its surroundings are composed by rocks sourced from Anjasmoro Volcano (Early Plistocene), Ringgit-Pundak-Butak Volcano (Middle Plistocene), Arjuno-Welirang Twin Volcanoes I and II (Late Plistocene), and Penanggungan Volcano. This research includes data processing and interpretation of the results of data processing.  This research was conducted using geophysical methods, namely the gravity method. The theoretical basis used is Newton's Law. Data in the form of gravity data that has been downloaded on the Land Gravity Data Website which is then processed using Surfer software, then the Magpick Software Upward Continuation process is carried out. After that, the slicing process is carried out on the residual anomaly, then the slicing results will be used to interpret using Grav2DC Software qualitatively based on the geological map as a reference. The interpretation results on the A-B and C-D tracks obtained 4 rock layers, namely volcanic breccia, lava, tuff breccia, and tuff rock. With an error value of 8.25% for incision A-B, and 3.63% for incision C-D.
Development of a Critical Thinking Assessment Instrument for Earth Changes in Elementary School Science Lessons Nisa Us Sa'idah; Eko Handoyo; Supriyadi; Woro Sumarni
Journal of Environmental and Science Education Vol. 5 No. 1 (2025): Journal of Environmental and Science Education: April 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jese.v5i1.6297

Abstract

This study aims to develop an assessment instrument for critical thinking skills in elementary school science lessons on the topic of Earth's changes, in the form of essay questions that are tested for validity and reliability. The measurement of critical thinking skills uses indicators based on Ennis' framework, which includes providing simple explanations, building basic skills, concluding, providing further explanations, and setting strategies and tactics. The subjects of this study were 28 students from SDN 02 Pekiringanalit, Pekalongan Regency. Data analysis techniques involved content validity testing using Aiken's index. The validity of the assessment instrument was tested using the Rasch Model with the Ministep program to determine validity, calculate reliability, and obtain Cronbach's alpha values. This research is developmental research that applies the 4D development model, simplified into three steps: define, design, and development. The results showed that the critical thinking assessment instrument in the form of essay test questions received an Aiken's content and language validity index of 0.96, which falls into the very valid category. The validity per item obtained an Aiken's index of 0.89, placing it in the high validity category. The item analysis using the Rasch Model yielded a person reliability coefficient of 0.69 and 0.72, which is in the sufficient category. The item reliability was 0.86 and 0.87, which is considered good, and the Cronbach's alpha was 0.77, also considered good.  
Delineasi Potensi Perpanjangan Sesar Probolinggo Berdasarkan Respon Anomali Gravitasi Hibrid Noor Efendi; M. Aryono Adhi; Muhamad Syirojudin; Supriyadi
BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains Vol. 9 No. 3 (2026): BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/bnfte278

Abstract

This research aimed to delineate the potential extension of the Probolinggo Fault based on hybrid gravity anomaly responses to minimize uncertainties in earthquake disaster mitigation information. The method employed integrates primary terrestrial gravity data from field measurements (72 points) with secondary GGMPlus-SRTM2gravity 2018 satellite data using the collocated cokriging technique. Analysis was conducted using regional-residual anomaly separation via Band Pass Filter, alongside the application of First Horizontal Derivative (FHD) and Second Vertical Derivative (SVD) methods to identify structural lineaments. The results show that the hybrid gravity anomaly distribution ranges from -14 mGal to  17  mGal,  representing  the  density  variations  of  Argopuro  and  Lamongan volcanic rocks. Fault lineament delineation was identified over approximately 22 km with a West-East orientation, traversing from Liprak Kidul to Betektaman. Based on an SVD value evaluation showing parity between the hanging wall and footwall (averaging 0.25 mGal/m²), this structure is identified as a strike-slip fault. The study concludes that indications of a westward fault extension beyond the boundaries previously established by Pusgen were found. The use of hybrid data proved to provide optimal spatial resolution in bridging information gaps regarding subsurface structures in areas covered by Quaternary volcanic materials.  Keywords: Delineation, FHD, Hybrid Gravity, Probolinggo Fault, Derivative
Virtual Tide Gauge Observation of the 2006 Pangandaran Tsunami Using COMCOT Version 1.7 Farikha Qurotun Uyun; Supriyadi; Sutikno; Mochamad Aryono Adhi; Hamzah Latief
Jurnal Fisika Vol. 14 No. 2 (2024): Jurnal Fisika 14 (2) 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jf.v14i2.14678

Abstract

The 2006 Pangandaran tsunami was one of the most significant natural disasters in Indonesia, causing major damage to coastal infrastructure and extensive social impacts. This study aims to reconstruct the 2006 Pangandaran tsunami using topographic data from DEMNAS and bathymetry data from BATNAS by applying it to a fine grid size (nested model). The other purpose is to determine the validity of the model that has been made if verified using a comparison with the results of field surveys and calculations of Aida numbers. The research method used is by using topographic data from DEMNAS and bathymetry data from BATNAS as well as using earthquake mechanism data from Global CMT. Furthermore, it is simulated using COMCOT software version 1.7 as well as by creating a nested grid of 4 grids.  The obtained simulation results are then verified using field data and Aida numbers. The results of this study show that the earthquake with a magnitude of 7.7 Mw caused the movement of tectonic plates which resulted in a decrease and increase in sea level along the coast of Pangandaran. The simulation results have an Aida K value of 1.48 and an Aida
Co-Authors Alifa Tri Handayani Ani Rusilowati Anisa Furtakhul Janah Budi Eka Nurcahya Dewi Rahmawati Dian Priambudi Eko Handoyo Farikha Qurotun Uyun Hamzah Latief Khumaedi M. Aryono Adhi M. Iqbal Sugita Mochamad Aryono Adhi Muhamad Syirojudin Nisa Us Sa'idah Noor Efendi Raden Rohadi Sutikno Woro Sumarni Yeri Sutopo