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To address some of the inconsistencies in the literature regarding links between public service motivation (PSM) and individual performance, this study proposes and tests a three-path mediation model in public higher education in which the relationship is mediated by person–organization fit (P-O fit) and organizational commitment (OC) in serial. Based on a sample of 692 faculty at an urban public university, we find that P-O fit and OC as a causal chain mediate the relationship between PSM and organizational citizenship behavior and that this mediated relationship varies depending on the specific context of the performance dimensions. While PSM has positive influence on service through its effect on P-O fit and OC in serial, the results indicate an indirect negative effect on research productivity and no association with teaching. The results regarding both direct and indirect effects further reveal that the directions and significance of the relationships can vary depending on how performance is conceptualized.
