To obtain information from the group, as to their interests, needs problems, desires, and suggestions to be used in the planning of programs activities, evaluation procedures, and policies. To arouse audience interest at the outset of a program. Group interest, concern, and identification can be rapidly built up by this method and a mental set for listening and learning may be established. The results of such discussions may or may no the communicated to the speakers. To increase involvement subsequent to various types for presentation. This may take the form of requests for clarification or further information, for attempts to apply general principle to specific situation or to other ways of internalizing the subject matter. it often leads to useful suggestions for action final solutions.