The Anxiety Sensitivity IndexRevised: Confirmatory Factor Analyses, Structural Invariance in Caucasian and African American Samples, and Score Reliability and Validity  

Oleh:

Arnau, Randolph C. ; Broman-Fulks, Joshua J. ; Green, Bradley A. ; Berman, Mitchell E.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Assessment vol. 16 no. 2 (Jun. 2009), page 165-180.
Topik: anxiety sensitivity; Anxiety Sensitivity Index–Revised; confirmatory factor analysis; factorial invariance
Fulltext: 165.pdf (812.39KB)

Isi artikel

The most commonly used measure of anxiety sensitivity is the 36-item Anxiety Sensitivity Index–Revised (ASI-R). Exploratory factor analyses have produced several different factors structures for theASI-R, but an acceptable fit using confirmatory factor analytic approaches has only been found for a 21-item version of the instrument. We evaluated the fit of all published factor models for the 36- and 21-item ASI-R, modified the hierarchical model using an approach that does not eliminate items, evaluated the invariance of the modified model across Caucasian and African-American subsamples, and compared the reliability and validity of the 36-item and 21-item versions. The 21-item version of theASI-R fit a four factor model, as did the 36-item version after several meaningful model modifications. The modified 36-item model was replicable in independent cases and its structural properties were generally invariant across race. Scores from the 36-item version exhibited superior reliability and criterion-related validity.

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