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    Assessing the efficacy of imagery-enhanced cognitive behavioral group therapy for social anxiety disorder: Study protocol for a randomized controlled trial

    Access Status
    Fulltext not available
    Authors
    McEvoy, Peter
    Moulds, M.
    Grisham, J.
    Holmes, E.
    Moscovitch, D.
    Hendrie, D.
    Saulsman, L.
    Lipp, Ottmar
    Kane, Robert
    Rapee, R.
    Hyett, M.
    Erceg-Hurn, D.
    Date
    2017
    Type
    Journal Article
    
    Metadata
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    Citation
    McEvoy, P. and Moulds, M. and Grisham, J. and Holmes, E. and Moscovitch, D. and Hendrie, D. and Saulsman, L. et al. 2017. Assessing the efficacy of imagery-enhanced cognitive behavioral group therapy for social anxiety disorder: Study protocol for a randomized controlled trial. Contemporary Clinical Trials. 60: pp. 34-41.
    Source Title
    Contemporary Clinical Trials
    DOI
    10.1016/j.cct.2017.06.010
    ISSN
    1551-7144
    School
    School of Psychology and Speech Pathology
    URI
    http://hdl.handle.net/20.500.11937/54677
    Collection
    • Curtin Research Publications
    Abstract

    Cognitive behavior group therapy (CBGT) is effective for social anxiety disorder (SAD), but a substantial proportion of patients do not typically achieve normative functioning. Cognitive behavioral models of SAD emphasize negative self-imagery as an important maintaining factor, and evidence suggests that imagery is a powerful cognitive mode for facilitating affective change. This study will compare two group CBGT interventions, one that predominantly uses verbally-based strategies (VB-CBGT) and another that predominantly uses imagery-enhanced strategies (IE-CBGT), in terms of (a) efficacy, (b) mechanisms of change, and (c) cost-effectiveness. This study is a parallel groups (two-arm) single-blind randomized controlled trial. A minimum of 96 patients with SAD will be recruited within a public outpatient community mental health clinic in Perth, Australia. The primary outcomes will be self-reported symptom severity, caseness (SAD present: yes/no) based on a structured diagnostic interview, and clinician-rated severity and life impact. Secondary outcomes and mechanism measures include blind observer-rated use of safety behaviors, physiological activity (heart rate variability and skin conductance level) during a standardized speech task, negative self-beliefs, imagery suppression, fear of negative and positive evaluation, repetitive negative thinking, anxiety, depression, self-consciousness, use of safety behaviors, and the EQ-5D-5L and TiC-P for the health economic analysis. Homework completion, group cohesion, and working alliance will also be monitored. The outcomes of this trial will inform clinicians as to whether integrating imagery-based strategies in cognitive behavior therapy for SAD is likely to improve outcomes. Common and distinct mechanisms of change might be identified, along with relative cost-effectiveness of each intervention.

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      McEvoy, Peter; Saulsman, L. (2014)
      Cognitive behavioural group therapy (CBGT) for social anxiety disorder (SAD) is efficacious and effective, however a substantial proportion of patients remain in the clinical range so treatment innovations are required. ...
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