Hendra Febriyanto
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Integrated STEM PBL Model on Ecology and Biodiversity Topics to Equip Students with Problem-Solving Skills Mita, Ermita Khoirumminsani; Sudarmin; Risa Dwita Hardianti; Hendra Febriyanto; Siti Suhartini
ISEJ : Indonesian Science Education Journal Vol. 6 No. 1 (2025): January
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v6i1.1730

Abstract

Problem solving skills need to be developed so that students can compete with the rapid advances in technology and science.The purpose of this study was to find the improvement and response of students after the application of the STEM-based Problem Based Learning (PBL) model on Ecology and Biodiversity material on students' problem solving skills. The research method used is quantitative with quasi experiment. The research subjects were students of class VII G as the experimental class and class VII H as the control class. The results of the study were STEM-based Problem Based Learning (PBL) on ecology and biodiversity material proved effective in improving students' problem solving skills, based on the results of the Mann-Whitney test which showed a significant difference between the experimental and control classes. The conclusion in this study is that the STEM-based Problem Based Learning (PBL) model effectively improves problem solving skills in ecology and biodiversity materials. Problem solving skills need to be developed so that students can compete with the rapid advances in technology and science.
Development of Ethno-vlog Media and Virtual Reality (VR) Teh Oyol Ecology and Biodiversity Materials to Equip Students Science Process Skills Luky Hidayat; Sudarmin; Hendra Febriyanto; Norma Eralia; Sunardi
ISEJ : Indonesian Science Education Journal Vol. 5 No. 3 (2024): September
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v5i3.1658

Abstract

Education in the 21st century requires innovative approaches that integrate technology and local wisdom to strengthen students’ science process skills (SPS). This study aims to develop, validate, and evaluate the effectiveness of ethno-vlog and virtual reality (VR) media based on the cultural context of Oyol tea in enhancing junior high school students’ SPS on ecology and biodiversity topics. Employing a research and development design with the 4D model (Define, Design, Develop, Disseminate), this study involved small-scale (n = 15) and large-scale (n = 32) trials with grade VII and VIII students at a junior high school in Indonesia. Data were collected through expert validation, student response questionnaires, observation sheets, and pre-post assessments of SPS. The results indicated that both media met the “very feasible” criteria from expert validators (average ≥ 87.5%) and received highly positive responses from students. Statistical analysis using N-gain (0.76, high category) and the Mann–Whitney test (p < 0.05) confirmed a significant improvement in students’ SPS, particularly in observation, prediction, inference, classification, measurement, and communication skills. These findings demonstrate that the integration of ethnoscience-based vlog and VR provides a meaningful, interactive, and culturally relevant learning experience. The study contributes to digital pedagogy by bridging local knowledge and advanced technologies, offering a scalable model for science education in developing countries. Future research may extend this approach to other cultural contexts and subject areas to strengthen broader applicability.
Integrating Ethno-Vlog into Liveworksheet-Based E-LKPD: Developing Contextual Ecology Learning Media to Enhance Students’ Science Literacy Azqia Noviatun Nisa; Sudarmin; Risa Dwita Hardianti; Hendra Febriyanto; Fredy Supriadi
ISEJ : Indonesian Science Education Journal Vol. 5 No. 3 (2024): September
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v5i3.1678

Abstract

The low level of Indonesian students’ science literacy as reflected in the PISA 2022 results highlights the need for innovative, contextualized learning media that can bridge scientific concepts with real-life and cultural experiences. This study aimed to develop and evaluate a Liveworksheet-integrated E-LKPD enriched with an ethno-vlog of Bukit Manengteung on ecology and ecosystem material to enhance students’ science literacy. Employing a research and development design with the 4D model (define, design, develop, and disseminate), the product was validated by experts, tested for readability, and implemented with seventh-grade students at SMP Negeri 2 Ciledug during the 2024/2025 academic year. Validation results indicated high feasibility with Aiken’s V values above 0.87, while student responses confirmed that the media was engaging, clear, and easy to use. Effectiveness tests showed a significant improvement in students’ science literacy, with pretest and posttest scores increasing from an average of 45.69 to 81.72 and an N-Gain of 0.68, categorized as medium to high. Improvements were observed across all science literacy dimensions, particularly in scientific attitudes, and the integration of ethno-vlog content enabled students to contextualize ecology concepts within their local cultural environment. These findings confirm that the developed media is valid, practical, and effective, with implications that integrating ethnoscience-based digital media into science instruction can enhance students’ scientific competencies while simultaneously preserving and strengthening cultural identity.