The present study examined the role of organizational commitment and sector type (public vs. private) on organizational citizenship behavior (OCB). Drawing upon the three-component model of commitment and contemporary OCB literature, this research investigated (a) sectoral differences in OCB and (b) the relative contribution of organizational commitment to OCB. A cross-sectional design was employed with employees from public and private sector organizations. Results indicated significant sector-based differences in OCB, with private sector employees reporting higher levels of OCB. Organizational commitment emerged as a strong positive antecedent of OCB. The findings reinforce the attitudinal foundation of citizenship behavior and highlight the importance of fostering commitment across sectors. Implications for organizational practice and future research are discussed.

Organizational commitment, Organizational citizenship behavior, Public sector, Private sector, Sector comparison