Knowledge sharing plays a vital role in maintaining organisational performance and fostering continuous improvement in educational settings. Although knowledge management systems (KMS) are designed to support knowledge processes, their role in promoting knowledge-sharing behaviour (KSB) has not been fully explored, particularly in Malaysian technical and vocational education and training (TVET) institutions. This study investigates the influence of KMS on knowledge-sharing intention (KSI) and KSB, as well as the mediating role of KSI. A quantitative design was adopted, and data were collected from 141 academicians working in Malaysian Premier Polytechnics. Partial Least Squares Structural Equation Modelling (PLS-SEM) was applied to test the hypothesised relationships. The findings indicate that KMS has a positive influence on both KSI and KSB. In addition, KSI significantly predicts KSB and mediates the relationship between KMS and KSB. These results demonstrate that well-implemented KMS can create an environment that encourages academic staff to engage more actively in sharing knowledge with their colleagues. The study contributes to the literature by providing empirical evidence of the mechanisms linking KMS to knowledge-sharing behaviour in a TVET context. Practical implications are also offered for institutional leaders and policymakers, who can strengthen knowledge-sharing practices by investing in user-friendly KMS, providing adequate training, and fostering a culture of collaboration, thereby promoting sustainable innovation and organisational growth in TVET contexts.
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