Mukhammad Tamamudin, Yeri Sutopo, Eko Supraptono, Samsudin Anis

Development of Industry-Based Worksheets in Light Vehicle Engineering Teaching Materials

Introduction

Development of industry-based worksheets in light vehicle engineering teaching materials. Improve EFI tune-up competence in light vehicle engineering with industry-based job sheets. This R&D study shows highly valid, practical, and effective teaching materials for vocational students.

Abstract

Developing Industry-Based Job Sheets to Improve Student Competence in Electronic Fuel Injection (EFI) Tune-Up for the Light Vehicle Engineering Program at SMK Miftahul Huda. The main issue addressed in this study is students' low competency exam scores on EFI system materials, which result from the use of conventional learning media that do not meet industry standards. This research used a development research model with the Research and Development (R&D) approach, carried out through several stages: needs analysis, design, expert validation, limited trials, and effectiveness testing. Data was collected via expert validation questionnaires, practical questionnaires completed by teachers and students, and an effectiveness test using a pre-test and post-test control group design. Validation results showed that the job sheet was categorized as “highly valid,” with an average score of 4.85 from both media and material experts. The practicality test indicated that teachers and students rated the job sheet as “highly practical,” with an average score of 91.7%. Additionally, the effectiveness test demonstrated a significant improvement in the experimental class compared to the control class. The experimental class achieved an N-Gain score of 76.23% (high category), while the control class reached only 43.22% (medium category)

Review

This paper presents a timely and relevant study on the "Development of Industry-Based Worksheets in Light Vehicle Engineering Teaching Materials," specifically focusing on improving student competence in Electronic Fuel Injection (EFI) tune-up. The identified problem of low student competency due to conventional, non-industry-standard learning media is a critical issue in vocational education, where practical skills aligned with industrial demands are paramount. By aiming to develop and validate industry-based job sheets, the research directly addresses a significant gap, offering a potential solution to enhance the employability and skill readiness of students in the Light Vehicle Engineering Program. The premise that conventional materials fail to meet modern industry standards underscores the importance of such developmental research for vocational high schools like SMK Miftahul Huda. The research employed a robust Research and Development (R&D) approach, progressing through several well-defined stages: needs analysis, design, expert validation, limited trials, and effectiveness testing. This systematic methodology, coupled with diverse data collection methods—including expert validation questionnaires, practical questionnaires for both teachers and students, and a pre-test/post-test control group design for effectiveness testing—lends credibility to the findings. The inclusion of both media and material expert validation, alongside practicality assessments from end-users (teachers and students), ensures that the developed materials are not only theoretically sound but also feasible and user-friendly in a classroom setting. While the abstract provides a good overview of the methodology, further details in a full paper regarding the specific content of the conventional learning media used in the control group would strengthen the comparative analysis. The findings strongly support the efficacy and quality of the developed job sheets. The "highly valid" categorization by experts (average score 4.85) and the "highly practical" rating by teachers and students (average score 91.7%) are impressive, indicating a well-designed and usable product. Most notably, the effectiveness test demonstrated a significant improvement in the experimental class, achieving a "high category" N-Gain score of 76.23% compared to the control class's "medium category" 43.22%. This marked difference strongly suggests that the industry-based job sheets are effective in enhancing student competence in EFI tune-up. The study's results offer compelling evidence that integrating industry-aligned materials can substantially bridge the skill gap in vocational training, providing valuable insights for curriculum development and pedagogical practices in technical education.

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