"Some 300 articles in the literature of group psychotherapy were examined to locate expressions referring to effecting dynamic processes of therapy. Some 200 items were obtained and reduced by inspection to nine general classes and a miscellaneous class. The nine general classes appear to reduce to three factors: an intellectual one, consisting of universalization, intellectualization, and spectator therapy; an emotional one, consisting of acceptance, altruism and transference; and an actional factor, consisting of reality testing, interaction, and ventilation." (PsycINFO Database Record (c) 2006 APA, all rights reserved)