INTERPAKS, Mimeographed, 1981. Paper prepared for the Development Studies Association Annual Conference, September 10-12, 1981. 9 p., Briefly examines the relation between agricultural extension innovation and social change. Discusses the importance of extension organizations listening to their clients more carefully. Notes the difficulty and complexity of identifying induced change or 'development'. Illustrates the effect social change may have on extension-related development work. Cases include sale of cocoa by New Guinea growers involving kinship systems and changing concept of inheritance and the effect of access to new irrigation systems on social change in two south Indian villages.