APA Dictionary of Psychology

an early form of group psychotherapy based on the theory that institutionalized individuals will respond most effectively to the active guidance of a professional leader. In one form of didactic group therapy, the group members bring up their own problems and the therapist leads the discussion, often giving their own interpretations. In another form, the therapist presents a short lecture based on printed material designed to stimulate the members to break through their resistances and express themselves. The didactic approach is also used in self-help groups.