Jurnal Pendidikan Teknologi dan Kejuruan
Aims and scope: Aims Jurnal Pendidikan Teknologi Kejuruan aims to present high-quality and relevant scientific articles in the form of original research results in the field of Technical and Vocational Education and Training. By showcasing the latest teaching techniques, effective instructional methods, and recent advancements in relevant technologies, this journal provides a significant contribution to the enhancement of superior vocational education and engineering development. The journal strives to become a reliable reference source for researchers, academics, and practitioners worldwide. All articles published undergo a rigorous process of selection and peer review, ensuring that the information presented in this journal maintains a high level of credibility. Scope The scope of research in the field of Technical and Vocational Education and Training (TVET) encompasses a wide range of topics related to the education and training provided for various technical and vocational skills. This field involves the study and improvement of educational programs, training methodologies, and strategies that prepare individuals for specific careers and industries. The scope of TVET research includes, but is not limited to, the following areas: Curriculum Development: Research focuses on designing and updating curricula that align with industry needs, technological advancements, and job market demands. Teaching and Learning Methods: Studies explore effective pedagogical approaches, instructional techniques, and innovative technologies that enhance the teaching and learning experience in vocational settings. Technology Media: Leveraging these technology media resources can enhance the vocational education experience by providing diverse learning materials, facilitating collaboration, and keeping learners informed about the latest developments in their chosen field. (Online Courses and Platforms, YouTube Channels and Tutorials, Podcasts, Tech Blogs and Websites, Interactive Learning Platforms, Educational Apps, Virtual Reality (VR) and Augmented Reality (AR), Webinars and Online Events, Social Media Communities, and E-books and Digital Publications) Workforce Development: Research examines strategies to bridge the gap between education and the workforce, ensuring graduates possess the skills and competencies required by industries. Skill Assessment and Certification: Investigations into valid and reliable methods for assessing vocational skills, as well as the development of certification standards that validate individuals' proficiency. Industry-University Collaboration: Studies analyze partnerships between educational institutions and industries to ensure that educational programs remain up-to-date and relevant. Apprenticeships and Internships: Research into structured on-the-job training experiences that allow students to acquire practical skills and experience real work environments. Lifelong Learning and Continuing Education: Exploration of strategies for ongoing skills development and training for individuals to adapt to changing job market requirements. Gender Equality and Inclusivity: Investigations into promoting gender-balanced participation and inclusivity in traditionally male-dominated vocational fields. Technological Advancements: Research on the integration of emerging technologies, such as digital tools and Industry 4.0 concepts, into vocational training programs. Quality Assurance: Studies on mechanisms to ensure the quality of vocational education and training programs, including accreditation and evaluation processes. Policy and Governance: Examination of policies and regulations that shape TVET systems and their effectiveness in promoting skill development and employability. Socio Economic Impact: Research into the influence of TVET on economic growth, social mobility, and addressing unemployment challenges. Engineering (miscellaneous) encompasses a diverse range of topics that contribute to the advancement and application of engineering principles across various disciplines, providing valuable learning opportunities in vocational education. Overall, research in the field of TVET contributes to improving the quality and relevance of vocational education, addressing skills gaps, and fostering the successful transition of individuals into the workforce, thereby promoting economic development and societal well-being.
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Implementation of a WhatsApp-based Canteen Menu Chatbot using TF–IDF and cosine similarity: A case study of employees at Matahari Department Store, Sunrise Mall and Mojokerto
Saputra, Ramadhani Handika;
Sucipto, Hadi
Jurnal Pendidikan Teknologi Kejuruan Vol 9 No 1 (2026): Regular Issue
Publisher : Universitas Negeri Padang
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DOI: 10.24036/jptk.v9i1.48523
This study addresses the limitations of traditional workplace canteen menu information sharing, such as noticeboards and verbal announcements, which can cause delays in shift-based settings. A WhatsApp-based canteen menu chatbot was designed, implemented, and evaluated for Matahari Department Store Sunrise Mall Mojokerto (Indonesia) using Cosine Similarity for text matching. The system integrates WhatsApp messaging via the WhatsApp API with an application server and an admin web panel built on Laravel–MySQL, enabling the management of daily menus, canteen schedules, FAQ patterns, user access, and conversation logs. User queries and stored question patterns were preprocessed (lowercasing, cleaning, tokenization), vectorized using TF–IDF, and matched using Cosine Similarity with a 0.6 acceptance threshold to route responses into three classes (Static, Menu, or Schedule) or a fallback reply. Functional verification through black-box testing confirmed the correct operation of core modules and end-to-end message handling. Similarity computation was validated against a manual example (0.816 vs. 0.8165). Robustness testing on 50 employee questions (25 standard and 25 informal/misspelled) achieved 92% accuracy (46/50); retrieval effectiveness measured as micro-F1 across the three response classes was approximately 0.95, with four queries treated as unmatched. A baseline comparison showed that Cosine Similarity was more tolerant to paraphrasing than SQL keyword matching. The case study ran from August to November 2025, and conversation logs were used during the maintenance phase to refine FAQ patterns and improve coverage. Overall, the chatbot offers a lightweight and deployable solution for routine, time-sensitive internal information services in retail workplaces.
Implementing an Android Facial-biometric attendance system in a resource-constrained school: Validity, practicality, and effectiveness evidence
Akbar, M. Fahri;
Annas, Firdaus;
Efriyanti, Liza;
Supriadi, Supriadi
Jurnal Pendidikan Teknologi Kejuruan Vol 9 No 1 (2026): Regular Issue
Publisher : Universitas Negeri Padang
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DOI: 10.24036/jptk.v9i1.48623
This study designed and evaluated an Android-based e-attendance application integrating facial biometric verification and WhatsApp notifications to address inefficiencies in manual attendance at MTsN 2 Payakumbuh, Indonesia. A design-and-development methodology using the Spiral Software Development Life Cycle (SDLC) was applied from May to November 2025, covering iterative requirements elicitation (observation and semi-structured interviews), planning, risk analysis with UML modelling, engineering, deployment, and customer evaluation. The system comprises a Laravel–MySQL web dashboard for administrators and a Flutter Android application for teachers. Attendance is verified through Face++ facial recognition, while parents receive automated attendance-status messages via a WhatsApp API. Product quality was assessed through expert validity testing (Aiken’s V), user-practicality testing (Kappa Moment), and a one-group pre-test–post-test effectiveness evaluation (normalized gain). Results indicate high validity for both content and construct dimensions (mean = 0.97), very high practicality (κ = 0.91), and very high effectiveness with substantial improvement from pre-test (33.94%) to post-test (95.15%), yielding g = 0.92. These findings suggest the proposed solution is feasible for routine classroom use, improves administrative efficiency and transparency, and strengthens parent–school communication, while highlighting the need for broader trials and stronger long-term biometric governance. The design includes manual status adjustment and report export to Excel, supporting continuity during connectivity fluctuations common in typical resource-limited schools.
The effect of compaction method on the compressive strength and porosity of normal concrete
Pratama, Yose Fajar;
Juliafad, Eka
Jurnal Pendidikan Teknologi Kejuruan Vol 9 No 1 (2026): Regular Issue
Publisher : Universitas Negeri Padang
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DOI: 10.24036/jptk.v9i1.48723
This study investigates how community-like compaction practices affect density, porosity, and compressive strength of normal concrete across different workability levels. A factorial laboratory experiment (4 compaction methods × 3 slump targets) was conducted using 150×300 mm cylinders (n=72; six replicates per group). Concrete was proportioned to SNI 03-2834-2000; control compaction followed SNI 2493:2011; 28-day strength was tested per SNI 1974:2011; porosity was measured using an ASTM C642-based procedure. Slump was set at 5, 7, and 11 cm by varying water content. Fresh mass decreased as compaction became less effective, indicating lower achieved density and greater entrapped air: compared with SK, hammer vibration (SH) and no compaction (SP) were ~7–9% lighter. Porosity increased markedly under inadequate compaction, with SP reaching 22.36–26.81% versus 10.16–14.22% for SK. Compressive strength followed the same ordering: SK achieved 18.99–22.94 MPa, while SH and SP dropped to 9.90–13.93 MPa and 8.49–13.35 MPa, respectively, with losses up to ~58% relative to SK depending on slump. Overall, slump alone did not guarantee performance when compaction was poor. Rodding (SR) provided intermediate results, maintaining mass close to SK and limiting strength loss compared with SH/SP. An inverse porosity–strength relationship was observed across slumps.
Geometric configuration and reference-point distance as determinants of resection accuracy: Evidence from student surveying calculations
Gunawan, Fadli;
Rahim, Bulkia;
Aspar, Fathir;
Yuvenda, Dori
Jurnal Pendidikan Teknologi Kejuruan Vol 9 No 1 (2026): Regular Issue
Publisher : Universitas Negeri Padang
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DOI: 10.24036/jptk.v9i1.48823
This study examined the effectiveness of video tutorial–based learning media in improving students’ mastery of horizontal-position Shielded Metal Arc Welding (SMAW) in a technical and vocational education and training (TVET) context. The study responded to the limited evidence on position-specific digital instructional media in welding education, particularly for horizontal-position SMAW practice, which requires precise control of movement, angle, and bead formation. A pre-experimental one-group pretest-posttest design was employed involving 30 Grade XI students in the Mechanical Engineering program at SMKN 1 Sumatera Barat. Data were collected using a validated 30-item performance assessment covering preparation, process, and final weld quality, and were analyzed using descriptive statistics and a paired-samples t-test in IBM SPSS Statistics. The results showed a substantial improvement in students’ performance after the intervention. The mean score increased from 47.57 in the pre-test to 81.70 in the post-test, with a mean gain of 34.13 points. The paired-samples t-test revealed a statistically significant difference, t(29) = 15.25, p < 0.001, and the effect size was very large (d = 2.78). These findings indicate that video tutorial–based media can serve as an effective, low-cost, and scalable instructional tool for procedural welding skills. The study contributes to digital pedagogy in TVET by highlighting the importance of pedagogical fit in technology-supported practical instruction.
Geometric configuration and reference-point distance as determinants of resection accuracy: Evidence from student surveying calculations
Maiyenti, Elisa;
Hamdi, Khairul;
Rahmatita, Annisa Irena;
Ariyantoni, Johan;
Prima, Fani Keprila
Jurnal Pendidikan Teknologi Kejuruan Vol 9 No 1 (2026): Regular Issue
Publisher : Universitas Negeri Padang
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DOI: 10.24036/jptk.v9i1.48923
This study investigates how geometric configuration and reference-point distance affect the accuracy of resection in student surveying calculations, using RTK GNSS coordinates as the reference benchmark. Although resection remains a fundamental method in surveying education and practice, its accuracy is highly sensitive to network geometry and field setup quality, while empirical evidence from student calculation contexts remains limited. To address this gap, the study employed an empirical accuracy-assessment design based on campus field-practicum data generated by student teams using total station observations and RTK GNSS control coordinates. The analysis compared resection-derived and RTK-based coordinates through component-wise discrepancies and horizontal positional error and then interpreted the results in relation to the geometric properties of each resection configuration. The findings show that most observed configurations produced relatively small horizontal errors, indicating that resection can yield acceptable station coordinates in educational field settings. However, accuracy varied considerably across cases. Configurations characterized by balanced point distribution, moderate station angles, and proportionate reference-point distances generally produced more reliable results, whereas stretched or near-collinear configurations were associated with weaker accuracy. At the same time, the results indicate that favorable geometry alone does not guarantee strong performance, because observational execution also remains influential. The study contributes to surveying education by reframing resection as an empirical accuracy problem shaped by both geometric design and field practice.