contemporary OD practice borrows from ssocial psychology counseling psychology organization theory family group therapy human resources management group dynamics management and administration and other disciplines Any attempt at an amalgamation of insights from such a spectrum of fields to develop effective intervenntions for ongoing organization is bound to create many challenges.for excample how nondirective can the OD consultant afford to be if the client is talking about establishing benefits or privileges in one groupwith out being cognizant of potential perceived inequities by other groups? Counseling psychology has something to say about the utility of a supportive nondirective consultation style but human resources management and social psychology have something action implications may be difficult in such a situation.What is the optimal mix of the source of authority in a given organization in terms of authority based on expertise authority based on position and authority