A Moderated Mediation Model of Organizational Citizenship Behavior: The Roles of Transformational Leadership, Perceived Workload, Psychological Empowerment, and Perceived Organizational Support

Fani Marirah Nasution; Rino Rino

doi:10.55927/eajmr.v5i5.119

Authors

Fani Marirah Nasution Universitas Negeri Padang
Rino Rino Universitas Negeri Padang

DOI:

https://doi.org/10.55927/eajmr.v5i5.119

Keywords:

Organizational Citizenship Behavior, Transformational Leadership, Perceived Workload, Psychological Empowerment, Perceived Organizational Support

Abstract

This study examines how Transformational Leadership and perceived workload influence employees’ Organizational Citizenship Behavior by incorporating Psychological Empowerment as a mediating mechanism and Perceived Organizational Support as a contextual moderator within public sector organizations. Data were collected from 97 employees at KPP Pratama Padang Dua using a saturated sampling technique and analyzed through Partial Least Squares–Structural Equation Modeling (PLS-SEM) with SmartPLS 4 software. The findings indicate that transformational leadership and perceived workload have a significant positive effect on both psychological empowerment and OCB. Psychological empowerment plays a central mediating role in translating leadership practices and job demands into employees’ discretionary behaviors. Furthermore, perceived organizational support strengthens the structural relationships, enhancing the effect of leadership and workload on OCB within a moderated mediation framework.

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