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Is the devil in the detail? A randomised controlled trial of guided internet-based CBT for perfectionism

Shafran, R; Wade, TD; Egan, SJ; Kothari, R; Allcott-Watson, H; Carlbring, P; Rozental, A; (2017) Is the devil in the detail? A randomised controlled trial of guided internet-based CBT for perfectionism. Behaviour Research and Therapy , 95 pp. 99-106. 10.1016/j.brat.2017.05.014. Green open access

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Abstract

An internet guided self-help cognitive-behavioural treatment (ICBT) for perfectionism was recently found to be effective (see this issue). Such studies stand in need of replication. The aim of this study was to report the outcomes and predictors of change when the treatment is delivered in a UK setting. A total of 120 people (Mean = 28.9 years; 79% female) were randomised to receive ICBT or wait-list control over 12 weeks (trial registration: NCT02756871). While there were strong similarities between the current study and its Swedish counterpart, there were also important differences in procedural details. There was a significant impact of the intervention on the primary outcome measure (Frost Multidimensional Perfectionism Scale, Concern over Mistakes subscale) and also on the Clinical Perfectionism Questionnaire (between group effect sizes d = 0.98 (95% CI: 0.60–1.36) and d = 1.04 (95% CI: 0.66–1.43) respectively using intent-to-treat analyses). Unlike the Swedish study, there was significant non-engagement and non-completion of modules with 71% of participants completing fewer than half the modules. The number of modules completed moderated the rate of change in clinical perfectionism over time. In conclusion, the study indicates the intervention is effective in a UK setting but highlighted the importance of procedural details to optimise retention.

Type: Article
Title: Is the devil in the detail? A randomised controlled trial of guided internet-based CBT for perfectionism
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.brat.2017.05.014
Publisher version: http://doi.org/10.1016/j.brat.2017.05.014
Language: English
Additional information: © 2017 Elsevier Ltd. All rights reserved. This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Social Sciences, Psychology, Clinical, Psychology, Moderation, Non-engagement, Completion, Internet-based, Cognitive-behaviour therapy, Perfectionism, COGNITIVE-BEHAVIORAL THERAPY, PSYCHOLOGICAL TREATMENTS, CLINICAL PERFECTIONISM, DEPRESSION, QUESTIONNAIRE, METAANALYSIS, DIMENSIONS, DISORDER, INTERVENTION, REGRESSION
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > UCL GOS Institute of Child Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > UCL GOS Institute of Child Health > Population, Policy and Practice Dept
URI: https://discovery.ucl.ac.uk/id/eprint/1559369
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