This study examines the effect of human resource development on employee work productivity in Medan City. A quantitative explanatory design was employed. Human resource development was measured through education, training, career development, and organizational learning, while work productivity was measured through output quantity, quality, timeliness, efficiency, and work effectiveness. For manuscript-development purposes, the statistical results use an illustrative dataset of 160 employees selected through proportional purposive sampling. Data were analyzed using validity and reliability tests, classical assumption tests, simple linear regression, t-test, and coefficient of determination. The illustrative results show that human resource development has a positive and significant effect on work productivity (β = 0.693; t = 11.71; p < 0.001) and explains 47.7% of productivity variance. Training relevance, equal access to development, career clarity, and continuous learning are the main managerial priorities. The statistical values must be replaced with verified field-survey results before journal submission.
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