Research support:
Jarrett el al found CBT was as effective as some antidepressant drugs when treating 108 patients with severe depression over a 10 week trial. However, Hollon et al found no difference in CBT when compared to slightly different antidepressant drug in a sample of 107 patients over a 10 week trial. Suggests CBT not superior.
Therapist competence:
The success of CBT can be on the therapist competence, including ability to structure sessions, plan and review homework, and engage in relations with the client. Kuyken and Tsrivirkos claim 15% of the variance in outcome of CBT due to this.
Individual differences:
CBT appears less suitable for people who have high levels of irrational beliegs that are rigid and resistant to change. Also, for those with high levels of realistic stress (Simons et al)
Empowerment:
Empoweres clients to develop own coping strategies and that people have free will to do this.
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