Abstract
Abstract: Introduction: The present study examined the psychometric properties of a Greek adaptation of the Anxiety Sensitivity Index-3 (ASI-3; Taylor et al., 2007 ). Method: We translated the ASI-3 following a forward-backward method and then, in addition to measures of anxiety and depression (DASS-21; Lovibond & Lovibond, 1995 ; Lyrakos et al., 2011 ), we administered it to a nonclinical general population sample ( N = 611) recruited online. Results: Confirmatory factor analysis revealed that a bifactor model with three orthogonal group factors best fit the data, followed by a correlated three-factor model. An examination of the dimensionality of the ASI-3 and the reliability of its dimensions suggested the presence of a reliable, strong AS general factor and comparatively weaker group factors. The ASI-3 appears to measure AS invariantly across gender. We report preliminary evidence for its convergent, discriminant, and divergent validity. Conclusion: The Greek adaption of the ASI-3 revealed adequate psychometric properties. Future studies should explore its criterion-related validity by administering the Greek adaptation of the ASI-3 to clinical samples and explore its relationship to other key constructs of anxiety sensitivity’s nomological network.
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