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Examining incremental explanatory power in accounting for worry severity: negative metacognitive beliefs uniquely
Thomas A Fergus1, Nancy Wheless1
1a Department of Psychology and Neuroscience , Baylor University , Waco , TX , USA.
Background And Objectives:
Contemporary conceptual models posit that different core variables contribute to worry, including intolerance of uncertainty (IU), metacognitive beliefs, and experiential avoidance. To date, a concurrent investigation of the incremental explanatory power of these variables in accounting for worry severity remains unexamined. The present study sought to address that gap in the literature.
Design/Methods:
Participants endorsing frequent worry (N = 127) completed self-report measures assessing IU, metacognitive beliefs, and experiential avoidance during an online session. Participants later attended an in-person lab-based session where they completed a worry episode and in-vivo worry severity was assessed following the worry episode.
Results:
IU, negative metacognitive beliefs, and experiential avoidance each shared a bivariate association with post-episode worry severity. However, in multivariate analyses, only baseline worry severity and negative metacognitive beliefs surrounding the dangerousness and uncontrollability of worry predicted post-episode worry severity.
Conclusions:
The present results further underscore links between negative metacognitive beliefs and worry.
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