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A Psychometric Evaluation of the Revised Childhood Anxiety Sensitivity Index (CASI-R) in a Child and Adolescent Sample

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Abstract

The multifactorial nature of anxiety sensitivity (AS) in children has been assessed almost solely with the Childhood Anxiety Sensitivity Index (CASI; Silverman et al. Journal of Clinical Child Psychology, 20(2), 162–168, 1991); however, multiple studies have suggested that the item content of the CASI is too limited to adequately assess multiple AS factors in youth. Here we examined the psychometric properties of the Revised Childhood Anxiety Sensitivity Index (CASI-R; Muris Behaviour Research and Therapy, 40, 299–311, 2002), developed to assess a higher-order global AS factor and four lower-order factors. In a non-clinical sample of youth aged 8–14 we (a) examined the psychometric properties of the CASI-R, comparing findings for children aged 11 and younger with those aged 12 and older, (b) evaluated and compared the internal consistency of the four-factor CASI-R and the three- and four-factor CASI, and (c) examined and compared the convergent validity of the CASI and CASI-R subscales with child-reported anxiety symptoms. Reliability estimates for the CASI-R total, Cardiovascular, and Respiratory scales were high for all youth; the Cognitive Dyscontrol and Publicly Observable Reactions scales yielded low estimates of internal consistency for the younger group. Compared to the parallel CASI scales, these CASI-R scales demonstrated stronger internal consistency in both the older and younger groups. Comparatively larger correlations between the CASI-R physical and cognitive scales with symptoms of panic and between the CASI-R social scale and symptoms of social anxiety were observed. These findings suggest continued use and examination of the CASI-R in child and adolescent non-clinical and clinical samples to comprehensively assess the AS construct in youth.

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Correspondence to Sarah E. Francis.

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Sarah E. Francis, Shannon Manley and Susan Doyle declare that she has no conflict of interest.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Appendix

Appendix

Table 4 Item comparison for the CASI-R and the 3- and 4-scale versions of the CASI

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Francis, S.E., Manley, S. & Doyle, S. A Psychometric Evaluation of the Revised Childhood Anxiety Sensitivity Index (CASI-R) in a Child and Adolescent Sample. J Psychopathol Behav Assess 41, 677–691 (2019). https://doi.org/10.1007/s10862-019-09745-y

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  • DOI: https://doi.org/10.1007/s10862-019-09745-y

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