Even prior to undertaking this research, as a psychoanalyst, I had long been intrigued by a puzzling question -how was it possible for psychoanalysts of different theoretical orientations to achieve comparable therapeutic results? My own observations, based on first-hand knowledge of scores of analysts from diverse schoolsFreudian, Adlerian, Rankian, Jungian, Sullivanian, Horneyian and others -were in 557