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All Journal Jurnal Pemberdayaan Masyarakat Jurnal Pendidikan Teknik Mesin
TriLaksono, Galih
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Mechanical Engineering Social Sciences

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THE EFFECTIVENESS OF LEARNING MEDIA BASED ON YOUTUBE VIDEO TUTORIALS ON STUDENT LEARNING OUTCOMES PER WELDING PRACTICE Ainun Athar, Muhammad; Huda, Khoirul; Eko Cahyanto, Septian; Kriswanto, Kriswanto; Bayu Kristiawan, Ruben; TriLaksono, Galih
Jurnal Pendidikan Teknik Mesin Vol. 25 No. 1 (2025): June 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jptm.v25i1.26687

Abstract

This study aims to analyze the effectiveness of YouTube-based video tutorial learning media in improving students' cognitive learning outcomes in Shielded Metal Arc Welding SMAW practice at SMK Negeri 4 Semarang. The background of this research is based on the limited use of contextual and engaging instructional media in vocational education, which leads to low conceptual understanding and applied skills among students. The research employed a quasi-experimental method with a pretest-posttest control group design. The sample consisted of 60 tenth-grade students from the Mechanical Engineering Expertise Program, selected through purposive sampling and divided into two groups: an experimental group that used YouTube-based instructional videos and a control group that applied conventional lecture methods. The research instrument comprised 20 validated multiple-choice questions. Data was analyzed using the Shapiro-Wilk normality test, Levene's homogeneity test, independent t-test, and N-Gain analysis to assess learning improvement. The results indicated a significant difference between the experimental and control groups p< 0.001, with the experimental group achieving an average post-test score of 84.50 and an N-Gain of 0.6100 high category. In contrast, the control group scored an average of 75.33 with an N-Gain of 0.4155 medium category. These findings suggest that using YouTube video tutorials as instructional media effectively enhances students' learning outcomes in welding practice while also creating a more contextual, visual, and student-centred learning process suited to the learning styles of vocational students. 
The Effectiveness of Contextual Teaching and Learning (CTL) in Improving Cognitive Learning Outcomes on Bench Work Practice TriLaksono, Galih; Huda, Khoirul; Khumaedi, Muhammad; Cahyanto, Septian Eko; Kriswanto, Kriswanto; Setiyawan, Andri
Jurnal Pemberdayaan Masyarakat Vol 4, No 1 (2025)
Publisher : Yayasan Keluarga Guru Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46843/jpm.v4i1.382

Abstract

This study examines the contextual teaching and learning (CTL) model's effectiveness in improving cognitive learning outcomes of vocational education students. Using a pretest-posttest quasi-experimental design, this study involved 60 tenth-grade mechanical engineering students, divided equally into control and experimental groups. The experimental group received the CTL learning model treatment, while the control group used conventional learning methods. A 20-item multiple-choice test based on Bloom's Taxonomy was used to measure students' cognitive learning outcomes. Instrument validation showed good content validity (Aiken's V=0.714- 1.00) and obtained good reliability results as well (ICC=0.730). The experimental group received a higher average post-test score (89.17) compared to the control group (75.83), with the acquisition of N-Gain values in the experimental group (0.7427) and control group (0.4013), with statistical analysis showing a significant difference (p0.05). These findings indicate that CTL effectively improves basic understanding and critical thinking skills. This study supports the integration of CTL into vocational education systems aligned with international priorities of competency-based learning and workforce readiness. This study provides empirical evidence that CTL can improve learning outcomes and equip students with critical thinking skills.
Co-Authors Ainun Athar, Muhammad Andri Setiyawan Bayu Kristiawan, Ruben Cahyanto, Septian Eko Eko Cahyanto, Septian Khoirul Huda Kriswanto Kriswanto, Kriswanto Muhammad Khumaedi