Psychological approaches in the treatment of specific phobias: A meta-analysis

Data from 33 randomized treatment studies were subjected to a meta-analysis to address questions surrounding the efficacy of psychological approaches in the treatment of specific phobia. As expected, exposure-based treatment produced large effects sizes relative to no treatment. They also outperform...

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Veröffentlicht in:Clinical psychology review 2008-07, Vol.28 (6), p.1021-1037
Hauptverfasser: Wolitzky-Taylor, Kate B., Horowitz, Jonathan D., Powers, Mark B., Telch, Michael J.
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container_end_page 1037
container_issue 6
container_start_page 1021
container_title Clinical psychology review
container_volume 28
creator Wolitzky-Taylor, Kate B.
Horowitz, Jonathan D.
Powers, Mark B.
Telch, Michael J.
description Data from 33 randomized treatment studies were subjected to a meta-analysis to address questions surrounding the efficacy of psychological approaches in the treatment of specific phobia. As expected, exposure-based treatment produced large effects sizes relative to no treatment. They also outperformed placebo conditions and alternative active psychotherapeutic approaches. Treatments involving in vivo contact with the phobic target also outperformed alternative modes of exposure (e.g., imaginal exposure, virtual reality, etc.) at post-treatment but not at follow-up. Placebo treatments were significantly more effective than no treatment suggesting that specific phobia sufferers are moderately responsive to placebo interventions. Multi-session treatments marginally outperformed single-session treatments on domain-specific questionnaire measures of phobic dysfunction, and moderator analyses revealed that more sessions predicted more favorable outcomes. Contrary to expectation, effect sizes for the major comparisons of interest were not moderated by type of specific phobia. These findings provide the first quantitative summary evidence supporting the superiority of exposure-based treatments over alternative treatment approaches for those presenting with specific phobia. Recommendations for future research are also discussed.
doi_str_mv 10.1016/j.cpr.2008.02.007
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subjects Behavior Therapy - methods
Exposure treatment
Humans
Meta-analysis
Phobic Disorders - psychology
Phobic Disorders - therapy
Placebo Effect
Psychotherapy - methods
Randomized Controlled Trials as Topic - statistics & numerical data
Specific phobia
Treatment Outcome
title Psychological approaches in the treatment of specific phobias: A meta-analysis
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