Background: Although there is an established body of evidence attesting to the dose-effect relationship in psychotherapy with non-disabled adults, the issue as to whether such a relationship exists for persons with intellectual disabilities has not been previously examined. Dose-effect essentially concerns the amount of psychotherapy required to…

Background: Many authors have expressed concern regarding the efficacy of psychotherapy, including psychotherapy for people with intellectual disabilities. Materials and Methods: Recently, many authors have made claims for the effectiveness of cognitive therapy for treating people with intellectual disabilities. During this debate, applied…

Background: Despite repeated calls for research on the efficacy and effectiveness of psychotherapy with people with intellectual disabilities there has been little progress in this area. This paper reports a naturalistic study of the effectiveness of individual psychodynamic psychotherapy provided in routine clinical practice. Method: The study…