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Development of honda supra manual transmission system demo made in acrylic to improve students' learning outcomes at muhammadiyah 04 vocational school sukorejo

Introduction

Development of honda supra manual transmission system demo made in acrylic to improve students' learning outcomes at muhammadiyah 04 vocational school sukorejo. Developed an acrylic Honda Supra manual transmission demo to improve vocational students' learning outcomes. This R&D media effectively enhanced student competency in motorcycle transmission repair.

Abstract

Based on the results of observations at SMK Muhammadiyah 04 Sukorejo, it is known that there is still no Honda manual transmission demonstration tool which makes it difficult to understand and comprehend the material presented by the teacher, especially in the basic competency of repairing and periodically maintaining the motorcycle manual transmission system. This study aims to develop a motorcycle manual transmission demonstration learning media that is feasible and can improve student learning outcomes. This study uses the Research and Development (R&D) research method with the ADDIE model. The subjects of this study were grade 11 students of TBSM 1 SMK Muhammadiyah 04 Sukorejo. Product trials were carried out at the implementation stage using the trial stage with the One-Group Pretest-Posttest Design model. The results of the media expert assessment obtained a percentage of 82.5% and the material expert with a percentage of 86.45%. The results of the pretest stage test obtained a value with an average of 64.11 and the posttest stage obtained a value with an average of 79.00. The motorcycle manual transmission system demonstration tool is included in the "very satisfying" category based on student perceptions with a percentage of 82.5%. Based on the results of the N-gain test, the motorcycle manual transmission teaching aid was proven to be able to improve students' mastery of competencies in the moderate category (gain value of 0.414 is between 0.7 > N-gain ≥ 0.03), and based on the t-test, the results showed that the average mastery of student competencies was more than KKM 75 (Sig. Value 0.40 > 0.05).

Review

This abstract presents a timely and relevant study focusing on developing a practical learning aid for vocational students. The identified problem, a lack of effective demonstration tools for motorcycle manual transmission systems, is a common challenge in hands-on technical education, making the project's aim to improve student learning outcomes highly pertinent. The use of the Research and Development (R&D) method, specifically the ADDIE model, provides a structured approach to product development and evaluation. The initial findings suggest promising results, with positive assessments from media and material experts, and an observed increase in student performance from pretest to posttest, indicating the potential feasibility and effectiveness of the acrylic demonstration tool. The abstract provides compelling quantitative data to support its claims. The high percentages from media (82.5%) and material (86.45%) expert assessments underscore the quality and instructional design of the developed tool. A significant improvement in student learning outcomes is suggested by the increase in average scores from 64.11 (pretest) to 79.00 (posttest), further reinforced by the "very satisfying" student perceptions (82.5%). The N-gain value of 0.414, categorized as moderate, statistically supports the tool's ability to improve students' mastery of competencies. However, the interpretation of the t-test results (Sig. Value 0.40 > 0.05) stating that "the average mastery of student competencies was more than KKM 75" requires clarification. A significance value of 0.40 typically indicates that the observed difference is *not* statistically significant, which would contradict a claim of statistical superiority over the KKM of 75. This point warrants further detail in the full paper regarding the specific hypothesis tested and the interpretation of the p-value. In conclusion, this study offers a valuable contribution to vocational education by developing and evaluating a practical, hands-on learning tool for motorcycle manual transmissions. The demonstration of its feasibility and positive impact on student learning is well-supported by expert reviews, student perceptions, and N-gain analysis. For the full paper, it would be beneficial to elaborate on the design choices for using acrylic and to precisely articulate the statistical interpretation of the t-test results, clarifying the hypothesis tested and the implications of the p-value concerning the KKM. Addressing these points would strengthen the paper's methodological rigor and ensure a clear understanding of the statistical evidence. Overall, the work holds significant promise for enhancing pedagogical practices in technical vocational schools.

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