In order to explore a point of contact between educational psychology and social psychological problems, Symposium IV was held under the title of ``Symbol and Group''. Information exchange in psychology with the cooperative participation of four speakers from different field was expected. Prof. A. Kikuchi discussed problems of political socialization. Problems on symbolic interactionism by Prof. T. Orihashi; on group theories by Prof. K. Furuhata : on psychiatric point of view by Prof. M. Komiyama were presented at this session.