This study aims to analyze the impact of competency-based training and vocational training on productivity, with work motivation serving as a mediating variable, at the Langkat Vocational Training Center (BLK Langkat). Effective job training serves as a strategic instrument for enhancing human resource quality, particularly in addressing challenges related to low productivity and workforce readiness. This study employs a quantitative approach using a survey method. The research population consists of trainees at BLK Langkat, with a sample size of 65 respondents determined through a saturated sampling technique. Data were collected via Likert-scale questionnaires and analyzed using the Partial Least Squares-Structural Equation Modeling (PLS-SEM) method. The results indicate that both competency-based training and vocational training have a positive and significant effect on work motivation. Furthermore, work motivation has a positive and significant effect on productivity. Additionally, the analysis reveals that work motivation mediates the impact of competency-based training and vocational training on productivity. These findings indicate that the success of training in boosting productivity is determined not only by the quality of the training itself but also by its ability to foster work motivation among participants. Based on the results, it can be concluded that increasing trainee productivity at BLK Langkat requires strengthening competency-based and vocational training programs designed to sustainably enhance work motivation.
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