“…The difficulties of research into the success of the psychotherapy will not be explored further here; considera tions of this aspect may be found in Cremerius (1962), Diihrssen (1964), Diihrssen and Jorswieck (1965), Kind and Rotach-Fuchs (1968), Beckmann et al (1969), Bastine (1970), Bergin (1971), Kiesler (1966), and Fiirstenau (1972.…”