The purpose of this present study was to examine the relative effects of job satisfaction and organizational justice on organizational citizenship behavior. Three hundred and twelve matched data from salespeople and supervisors of department stores in Taipei was analyzed to explore the research problem. Results indicated that the effects of both job satisfaction and organizational justice on OCBI was significant, but the relative effect of job satisfaction was stronger than organizational justice. On the other hand, the effect of job satisfaction on OCBO was significant, but the effect of organizational justice on OCBO was not.
