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Journal : Jurnal Penelitian Pendidikan IPA (JPPIPA)

Validating the Rifdarmon E-Learning Model with Structural Equation Modeling Analysis for Enhanced Learning Outcomes and Students’ 4C Skills Syaifullah, Lasyatta; Lapisa, Remon; Rifdarmon
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9660

Abstract

The rapid development of information and communication technology (ICT) has significantly transformed the landscape of education, including in the context of vocational education. Universitas Negeri Padang (UNP), particularly the Department of Automotive Engineering, has made efforts to adapt the curriculum and learning methods to bridge the gap between education and industry demands. However, in its implementation, there are still challenges that need to be addressed, especially in the Automotive Electronics Electricity course. This study aims to validate the Rifdarmon E-Learning Model in the Automotive Electronics Electricity course through SEM-PLS and CB-SEM analysis using SmartPLS 4. The research employed a quantitative approach using two analysis methods: Structural Equation Modeling-Partial Least Square (SEM-PLS) and Covariance-Based Structural Equation Modeling (CB-SEM). Data were collected from 50 validators comprising experts in educational technology, learning models, and learning media using a 5-point Likert scale questionnaire. The model validation focused on four key syntaxes: Reciprocal Teaching (RT), Mentoring Peers (MP), Organizing Findings (OF), and Narrating Outcomes (NO). The SEM-PLS analysis demonstrated strong construct validity with satisfactory Composite Reliability (CR), Cronbach's Alpha, and Average Variance Extracted (AVE) values across all syntaxes. The CB-SEM analysis further confirmed the model's structural validity with positive outer loading values and good model fit indices. These comprehensive validation results indicate that the Rifdarmon E-Learning Model is both valid and reliable, making it suitable for implementation to enhance learning outcomes and develop students' 4C skills in Automotive Electronics Electricity education.
Innovation of Learning Media: Developing a Car Air Conditioning Trainer to Improve Student Performance in Vocational Physics and Engineering Afriwandi; Maksum, Hasan; Rifdarmon; Indrawan, Eko
Jurnal Penelitian Pendidikan IPA Vol 11 No 10 (2025): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i10.12423

Abstract

This study aims to develop a mobile air conditioning (AC) trainer as an innovative learning medium to enhance students’ understanding, interest, and performance in automotive AC systems. The research adopted the Research and Development (R&D) approach using the 4D model, which consists of the Define, Design, Develop, and Disseminate stages. Validation was conducted by media and material experts, yielding Aiken’s V coefficients of 0.93 and 0.96, respectively, categorized as “Valid.” The practicality test involving teachers and students obtained mean scores of 94.20% and 96.24%, categorized as “Highly Practical.” The effectiveness of the developed trainer was evaluated through pretest and posttest data, resulting in an N-Gain score of 0.69, which indicates a “High” level of improvement. These findings demonstrate that the developed AC trainer is valid, practical, and effective as instructional media in vocational education, particularly in enhancing students’ academic achievement in automotive air conditioning systems.