Organizational Citizenship Behavior as any form of performance that supports the social or psychological environment in which the work tasks are embedded-a definition that more closely corresponds to contextual performance, as defined by Borman and Motowidlo. It has been linked to overall organizational effectiveness, thus these types of employee behaviors have important consequences in the workplace. Organizational citizenship behavior depend on five key proximal determinants: job satisfaction, organizational commitment, perceptions of fairness, perceptions of leadership supportiveness, and employee morale.