Abstract
Extended-duration exposure therapy, in which treatment is delivered over a single prolonged session or cluster of long-duration sessions, is a highly efficacious and efficient treatment for anxiety disorders such as specific phobias. Despite this, little is known about the use of extended-duration exposure therapy in clinical practice. In the present study we investigated the perceptions and use of extended-duration exposure therapy amongst a sample of Australian psychologists via a survey, and the Therapist Beliefs about Exposure Scale. Additionally, we compared theoretical understanding of exposure therapy, and therapy delivery strategies (using a case study vignette), between psychologists who deliver exposure therapy via an extended-duration mode, versus the more traditional multi-session mode. Extended-duration exposure therapy is widely underutilised, and this is associated with negative beliefs about exposure therapy in general, as well as several practical barriers. There were no differences in the reported theoretical mechanisms of exposure therapy between those who do and do not use extended-duration exposure therapy. However, psychologists who use extended-duration exposure therapy reported greater use of strategies with demonstrated efficacy (e.g., more intense delivery) and less use of therapy-interfering strategies (e.g., distress reduction techniques) relative to those who do not use extended-duration exposure therapy. These findings identify potential mechanisms accounting for extended-duration exposure therapy's efficiency and point to strategies that may increase the uptake of extended-duration exposure therapy in clinical practice.
Published Version
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