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Gepubliceerd in: Journal of Autism and Developmental Disorders 11/2012

01-11-2012 | Original Paper

Convergent and Discriminant Validity and Reliability of the Pediatric Anxiety Rating Scale in Youth with Autism Spectrum Disorders

Auteurs: Eric A. Storch, Jeffrey J. Wood, Jill Ehrenreich-May, Anna M. Jones, Jennifer M. Park, Adam B. Lewin, Tanya K. Murphy

Gepubliceerd in: Journal of Autism and Developmental Disorders | Uitgave 11/2012

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Abstract

The psychometric properties of the Pediatric Anxiety Rating Scale (PARS), a clinician-administered measure for assessing severity of anxiety symptoms, were examined in 72 children and adolescents diagnosed with an autism spectrum disorder (ASD). The internal consistency of the PARS was 0.59, suggesting that the items were related but not repetitive. The PARS showed high 26-day test–retest (ICC = 0.83) and inter-rater reliability (ICC = 0.86). The PARS was strongly correlated with clinician-ratings of overall anxiety severity and parent-report anxiety measures, supporting convergent validity. Results for divergent validity were mixed. Although the PARS was not associated with the sum of the Social and Communication items on the Autism Diagnostic Observation System, it was moderately correlated with parent-reported inattention, aggression and externalizing behavior. Overall, these results suggest that the psychometric properties of the PARS are adequate for assessing anxiety symptoms in youth with ASD, although additional clarification of divergent validity is needed.
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Metagegevens
Titel
Convergent and Discriminant Validity and Reliability of the Pediatric Anxiety Rating Scale in Youth with Autism Spectrum Disorders
Auteurs
Eric A. Storch
Jeffrey J. Wood
Jill Ehrenreich-May
Anna M. Jones
Jennifer M. Park
Adam B. Lewin
Tanya K. Murphy
Publicatiedatum
01-11-2012
Uitgeverij
Springer US
Gepubliceerd in
Journal of Autism and Developmental Disorders / Uitgave 11/2012
Print ISSN: 0162-3257
Elektronisch ISSN: 1573-3432
DOI
https://doi.org/10.1007/s10803-012-1489-9