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A Vitual Reality Digital Comic: Fostering Environmental Literacy through Baduy Local Wisdom Khoirunnisa Khoirunnisa; Sudarmin Sudarmin; Sigit Priatmoko; Nunung Nurhayati
Unnes Science Education Journal Vol. 14 No. 3 (2025): December 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/usej.v14i3.36172

Abstract

The objectives of this study are developing and evaluating the effectiveness of a digital comic based green chemistry instructional materials integrated with Virtual Reality (VR) and Baduy local wisdom to improve students’ sustainable environmental literacy. Utilizing Research and Development (R&D) method using 4D model, all instructional components (VR digital comic, teaching module, test instruments, and questionnaires) were validated by experts and deemed highly valid (Aiken’s V > 0.80). A try out of the VR digital comic media with small scale revealed enggaging category with an average percentage exceeding 90%. The Independent Sample t-Test in the experimental and control classes showed a statistically significant difference in posttest scores (Sig. <.001), proving a substantial increase in learning outcomes in the experimental class. Environmental literacy analysis based on the National Environmental Literacy Assessment (NELA) indicators supports these findings: the experimental group achieved a high-level criterion (score: 190) compared to the control group (score: 169). The most prominent improvement in the experimental class was observed in the knowledge and cognitive skills dimensions. The implementation of this learning innovation effectively improves students’ environmental literacy, particularly in knowledge and cognitive skills. Nevertheless, the development of deeply internalized environmental attitudes and behaviors may require more time and a more in-depth approach. However, but this innovation shows significant potential in shaping a generation responsible for environmental issues.
Development of a PjBL-Based E-Booklet on Temperature and Heat Integrated with the Local Wisdom of Magelang Pottery to Equip Students with Creative Thinking Skills Ully Ismayati; Sudarmin Sudarmin; Woro Sumarni; Sunyoto Eko Nugroho
International Journal of Active Learning Vol. 11 No. 1 (2026): April 2026
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/ijal.v11i1.42776

Abstract

Problem: the integration of local wisdom in junior secondary science learning remains limited, contributing to low students’ creative thinking skills. Furthermore, the use of digital teaching materials that support project-based learning is not yet optimal, resulting in less contextual and engaging learning. Objective: this study aimed to develop and examine the feasibility and effectiveness of a Project-Based Learning (PjBL)-based e-booklet on temperature and heat integrated with the local wisdom of Magelang pottery. Method: this research employed a Research and Development (R&D) approach using the ADDIE model and involved an experimental and a control class. The evaluation focused on feasibility (validity, readability, and practicality) and efeftiviness (product and process performance, as well as learning outcomes). Results: the developed e-booklet was found to be valid, practical, and received positive responses from students. Conclusion: the e-booklet was sufficiently effective in enhanving student engagement and creative thinking skills, making it a feasible contextual teaching material for junior secondary science learning.
The Effectiveness of an Ethno-ESD-Based Science Textbook in Improving Environmental Literacy and Critical Thinking Skills of Junior High School Students on the Topic of Climate Change Okky Ratri; Sudarmin Sudarmin; Bambang Subali
Proceedings of International Conference on Science, Education, and Technology Vol. 12 (2026)
Publisher : Universitas Negeri Semarang

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

Abstract

Climate change requires educational approaches that enhance students’ scientific understanding while developing sustainability competencies and higher-order thinking skills, yet integrating Education for Sustainable Development (ESD) with local wisdom into a single, contextualized resource for junior high school climate change education remains rarely examined. This study investigated the effectiveness of an Ethno-Education for Sustainable Development (Ethno-ESD)-based Science Textbook in improving junior high school students’ environmental literacy and critical thinking skills on the topic of climate change. A quantitative, quasi-experimental design with a non-equivalent control group pretest-posttest design was used. Two intact junior high school classes participated: an experimental class taught using the Ethno-ESD-based Science Textbook and a control class taught using the conventional textbook. Data were collected through environmental literacy and critical thinking tests, analyzed using N-Gain analysis, the Independent Samples t-test, and Cohen’s d. The experimental class showed greater improvement in environmental literacy (N-Gain = 0.63) and critical thinking skills (N-Gain = 0.62) than the control class (N-Gain = 0.31 for both), with statistically significant differences (t = 5.873 and 6.142, p < 0.05) and large effect sizes (Cohen’s d = 0.88 and 0.92, respectively). Integrating ESD principles, climate change education, and local wisdom created meaningful, contextual learning that strengthened students’ sustainability competencies and higher-order thinking. The Ethno-ESD-based Science Textbook is therefore an effective, innovative resource for promoting environmental literacy and critical thinking in junior high school science learning, offering a transferable model for other culturally diverse settings.