IMPACT OF PROBLEM-BASED LEARNING COMPARED TO CONVENTIONAL MODELS ON AUTOMOTIVE MEASURING LEARNING OUTCOMES

Nabil Muhammad Ramadhan; Syarif Suhartadi; Dani Irawan; Erwin Komara Mindarta

doi:10.17509/jmee.v13i1.96126

IMPACT OF PROBLEM-BASED LEARNING COMPARED TO CONVENTIONAL MODELS ON AUTOMOTIVE MEASURING LEARNING OUTCOMES

Nabil Muhammad Ramadhan, Syarif Suhartadi, Dani Irawan, Erwin Komara Mindarta

Abstract

Proficiency in operating precision measuring instruments is an essential foundational competency that vocational students in automotive engineering must master, as it directly influences the accuracy of vehicle fault diagnosis. This study examines the comparative effectiveness of the Problem-Based Learning (PBL) model versus conventional teaching methods on students' learning outcomes in automotive mechanical measuring tools. Employing a quantitative quasi-experimental approach with a Nonequivalent Control Group design, the research involved 70 Grade X Light Vehicle Engineering (TKR) students from SMK PGRI 3 Malang, divided into experimental and control groups. The experimental group received PBL instruction, while the control group was taught through lectures and demonstrations. Data were gathered via pre-tests, post-tests, and observations of psychomotor skills. Analysis revealed that the experimental group's post-test mean score was 92.4, surpassing the control group's 78.0. Furthermore, the experimental group's N-Gain value of 0.80 indicated high effectiveness, compared to the control group's moderate 0.43. Independent samples t-test confirmed significant differences between groups (p < 0.05). These findings demonstrate PBL's superiority in enhancing learning outcomes, measurement precision, zero-setting skills, and technical data interpretation. Thus, PBL is recommended as an effective strategy to bolster precision competencies in automotive vocational education.

Keywords

Automotive Measuring Tools; Learning Outcomes; Precision; Problem-Based Learning; Vocational Education.

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DOI: https://doi.org/10.17509/jmee.v13i1.96126