Sometimes you might want to make a deliberate effort to establish farmers' discussion groups, which you hope will continue to meet on a regular basis. These are some basic factors which make for success: publicize the meetings effectively; make sure that the meetings have a definite purpose, relevant to the farmers' interests and needs; try to identify, beforehand, individuals who will make good group discussion leaders and who are prepared to take on the role of chairman or secretary; establish a schedule of meetings which is convenient for the majority of potential participants; offer leadership in the initial phase, but explain that the goal is that the group should be able to operate effectively on its own; continue to show an interest in what the groups are doing, by making fairly regular visits; remember that groups of this kind are successful only if the members feel that they are getting something worthwhile from the meetings! THE DISCUSSION PROCESS Discussion can mean a variety of things-from a few questions thrown out at the end of a talk or a demonstration, to a free-for-all conversation without a guide or guidelines. The essential processes of purposeful discussion are indicated in the diagram already introduced in Chapter Five, when we were reviewing the basic models of extension communication. Extension /1 Worker The assumption is that both the extension worker and the farmers have some knowledge relating to the "material" or topic of discus-