Anxiety in Youth With and Without Autism Spectrum Disorder: Examination of Factorial Equivalence

Susan W. White*, Matthew D. Lerner, Bryce D. McLeod, Jeffrey J. Wood, Golda S. Ginsburg, Connor Kerns, Thomas Ollendick, Philip C. Kendall, John Piacentini, John Walkup, Scott Compton

*Corresponding author for this work

Research output: Contribution to journalArticle

50 Scopus citations

Abstract

Although anxiety is frequently reported among children and adolescents with autism spectrum disorder (ASD), it has not been established that the manifest symptoms of anxiety in the context of ASD are the same as those seen in youth without ASD. This study sought to examine the metric and latent factor equivalence of anxiety as measured by the Multidimensional Anxiety Scale for Children, parent-report (MASC-P) and child-report (MASC-C), in youth with anxiety disorders and ASD with intact verbal ability (n= 109, Mage= 11.67. years, 99 male) and a gender-matched comparison group of typically developing (TD) children and adolescents with anxiety disorders but without ASD (n= 342, Mage= 11.25. years, 246 male). Multigroup factorial invariance (MFI) using structural equation modeling indicated equivalent latent factors in youth with and without ASD on the MASC-C (metric invariance). However, the item means and covariances along with the relations among the factor scores were different for the youth with ASD (i.e., lack of evidence for scalar or structural invariance). The MASC-P data did not fit the measure's established structure for either the ASD or TD group, and post-hoc exploratory factor analysis revealed a different factor structure in the ASD group. Findings suggest that the MASC-C may not measure identical constructs in anxious youth with and without ASD. Further research on the structure of the MASC in clinical samples is warranted.

Original languageEnglish (US)
Pages (from-to)40-53
Number of pages14
JournalBehavior Therapy
Volume46
Issue number1
DOIs
StatePublished - Jan 1 2015

Keywords

  • Anxiety
  • Assessment
  • Autism
  • Invariance
  • MASC

ASJC Scopus subject areas

  • Clinical Psychology

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    White, S. W., Lerner, M. D., McLeod, B. D., Wood, J. J., Ginsburg, G. S., Kerns, C., Ollendick, T., Kendall, P. C., Piacentini, J., Walkup, J., & Compton, S. (2015). Anxiety in Youth With and Without Autism Spectrum Disorder: Examination of Factorial Equivalence. Behavior Therapy, 46(1), 40-53. https://doi.org/10.1016/j.beth.2014.05.005