Development of a Web-based Employee Training Recapitulation System using the Waterfall Model and Evaluation of Administrative Time Efficiency

Samuel Rado Yosafat Hutabarat, Hafiyyan Putra Pratama

Abstract


Employee training data at PT. Indo-Rama Synthetics Tbk. were previously managed manually using interconnected spreadsheet workbooks, resulting in slow data retrieval, time-consuming training history tracking, and error-prone manual recapitulation. This study developed a web-based employee training recapitulation system using Next.js, PostgreSQL, and Prisma ORM following the Waterfall model, and evaluated its impact on administrative time efficiency. Black-box testing of seven core functions showed that all functions produced the expected outputs. The results indicate that the system improved administrative process efficiency, with an average reduction in processing time of 67.48%, particularly for training recapitulation tasks that were previously performed manually. Evaluation through repeated pre- and post-implementation measurements and non-parametric statistical testing demonstrated that the system consistently reduced administrative processing time, particularly for aggregative tasks.

Keywords


black box testing; digitalized administration; time-efficiency evaluation; Waterfall model; web-based information system

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DOI: https://doi.org/10.32520/stmsi.v15i9.6922

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