Kellett, S. and Lees, S. (2019) Quasi-experimental N = 1 evaluation of the effectiveness of cognitive analytic therapy for dependent personality disorder. Journal of Psychotherapy Integration, 30 (3). pp. 458-475. ISSN 1053-0479
Abstract
The evidence base for the treatment of dependent personality disorder (DPD) is sparse and there are few credible evaluations of the effectiveness of integrative psychotherapies. This study therefore employed an A/B with extended follow-up quasi-Experimental single case design with a female patient meeting diagnostic criteria for DPD, treated with cognitive analytic therapy (CAT). The patient was treated with the 24-session version of the model, with 6 months structured follow-up. Fidelity to the treatment model was found to be satisfactory. There was a significant effect of phase of study in the time series of the primary idiographic measure of reassurance-seeking. On the primary nomothetic measure (i.e., the Interpersonal Dependency Inventory), there was a reliable improvement to self-confidence on assessment-termination comparisons. Confidence in the reliability of the idiographic results is limited by evidence of improvements occurring during the baseline phase. The methodological limitations and clinical/theoretical implications are discussed for the use of integrative psychotherapies with patients with strong dependent traits.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2019 APA. This is an author-produced version of a paper subsequently published in Journal of Psychotherapy Integration. Uploaded in accordance with the publisher's self-archiving policy. |
Keywords: | Clinical Research |
Dates: |
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Institution: | The University of Sheffield |
Academic Units: | The University of Sheffield > Faculty of Science (Sheffield) > Department of Psychology (Sheffield) |
Depositing User: | Symplectic Sheffield |
Date Deposited: | 13 May 2019 11:18 |
Last Modified: | 03 Dec 2021 07:26 |
Status: | Published |
Publisher: | American Psychological Association |
Refereed: | Yes |
Identification Number: | 10.1037/int0000170 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:145980 |