title: Evaluating the appropriateness of a new computer-administered measure of adaptive function for children and youth with autism spectrum disorders.
abstract: The Pediatric Evaluation of Disability Inventory-Computer Adaptive Test is an alternative method for describing the adaptive function of children and youth with disabilities using a computer-administered assessment. This study evaluated the performance of the Pediatric Evaluation of Disability Inventory-Computer Adaptive Test with a national sample of children and youth with autism spectrum disorders aged 3-21 years. Parents (n = 365) completed an online survey that included demographics, the Social Communication Questionnaire, and the Pediatric Evaluation of Disability Inventory-Computer Adaptive Test Social/Cognitive, Daily Activities, and Responsibility domains. Item response theory analysis confirmed items in each domain fit a unidimensional model and few items misfit. A large number of items in the Social/Cognitive domain showed differential item functioning, indicating a unique order of item difficulty in this population in this domain. Differences in item difficulty estimates were addressed through a parameter linking (equating) process. Simulations supported the accuracy and precision of the Computer Adaptive Test. Results suggest that the Pediatric Evaluation of Disability Inventory-Computer Adaptive Test, as modified for autism spectrum disorder, is an efficient and sound assessment for this population.
authors: Boston University, USA wjcoster@bu.edu.
authors: Wendy J
authors: WJ
authors: Coster
authors: Boston University, USA.
authors: Jessica M
authors: JM
authors: Kramer
authors: Boston University, USA.
authors: Feng
authors: F
authors: Tian
authors: Boston University, USA.
authors: Meghan
authors: M
authors: Dooley
authors: Boston University, USA.
authors: Kendra
authors: K
authors: Liljenquist
authors: Boston University, USA.
authors: Ying-Chia
authors: YC
authors: Kao
authors: Boston University, USA.
authors: Pengsheng
authors: P
authors: Ni
mesh_terms: D000203:Activities of Daily Living; D000223:Adaptation, Psychological; D000293:Adolescent; D000328:Adult; D000067877:Autism Spectrum Disorder / Q000523:psychology*; D002648:Child; D002675:Child, Preschool; D003201:Computers; D004185:Disability Evaluation; D005163:Factor Analysis, Statistical; D005260:Female; D006306:Health Surveys / Q000379:methods*; D006801:Humans; D008297:Male; D011594:Psychometrics; D015203:Reproducibility of Results; D012917:Social Adjustment; D012919:Social Behavior; D055815:Young Adult
keywords: adaptive behavior; adolescents; autism spectrum disorders; children; function; measurement
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