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Citation

Siddaway A, Taylor P, Wood AM & Schulz J (2015) A meta-analysis of perceptions of defeat and entrapment in depression, anxiety problems, posttraumatic stress disorder, and suicidality. Journal of Affective Disorders, 184, pp. 149-159. https://doi.org/10.1016/j.jad.2015.05.046

Abstract
Background: There is a burgeoning literature examiningperceptionsof being defeated or trapped in different psychiatric disorders. The disorders most frequently examined to date aredepression, anxiety problems,posttraumatic stress disorder(PTSD), and suicidality.  Aims: To quantify the size and consistency of perceptions of defeat and entrapment in depression, anxiety problems, PTSD and suicidality, test for differences across psychiatric disorders, and examine potential moderators and publication bias.  Method: Random-effects meta-analyses based on Pearson's correlation coefficientr.  Results: Forty studies were included in themeta-analysis(n=10,072). Perceptions of defeat and entrapment were strong (aroundr=0.60) and similar in size across all four psychiatric disorders. Perceptions of defeat were particularly strong in depression (r=0.73). There was no between-study heterogeneity; therefore moderator analyses were conducted in an exploratory fashion. There was no evidence of publication bias.  Limitations: Analyses were cross-sectional, which precludes establishing temporal precedence or causality. Some of the meta-analyses were based on relatively small numbers of effect sizes, which may limit their generalisability.  Conclusions: Perceptions of defeat and entrapment are clinically important in depression, anxiety problems, PTSD, and suicidality. Similar-sized, strong relationships across four different psychiatric disorders could suggest that perceptions of defeat and entrapment are transdiagnostic constructs. The results suggest that clinicians and researchers need to become more aware of perceptions of defeat and entrapment.

Keywords
Human defeat; Entrapment; Depression; Posttraumatic stress disorder; Suicide; Transdiagnostic

Journal
Journal of Affective Disorders: Volume 184

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