We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe dose–effect relationship in psychotherapy.AuthorsHoward, Kenneth I.; Kopta, S. Mark; Krause, Merton S.; Orlinsky, David E.PublicationAmerican Psychologist, 1986, Vol 41, Issue 2, p159ISSN0003-066xPublication typearticleDOI10.1037/0003-066X.41.2.159