More recently, Podsakoff, Blume, Whiting, and Podsakoff (2009) found that OCBs were positively related to unit-level performance and customer satisfaction.
With regard to the relationship between OBs and managerial evaluations, Podsakoff and colleagues (2000) found, in a summary of empirical evidence, that OCBs uniquely accounted for 42.9% of the variance in managerial performance evaluations.