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Predictors of Parent-Teacher Agreement in Youth with Autism Spectrum Disorder and Their Typically Developing Siblings
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Stratis, Elizabeth A.; Lecavalier, Luc – Journal of Autism and Developmental Disorders, 2017
This study evaluated the magnitude of informant agreement and predictors of agreement on behavior and emotional problems and autism symptoms in 403 children with autism and their typically developing siblings. Parent-teacher agreement was investigated on the "Child Behavior Checklist" (CBCL) and "Social Responsiveness Scale"…
Descriptors: Autism, Pervasive Developmental Disorders, Predictor Variables, Parent Teacher Cooperation
Validity of the Aberrant Behavior Checklist in Children with Autism Spectrum Disorder
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Kaat, Aaron J.; Lecavalier, Luc; Aman, Michael G. – Journal of Autism and Developmental Disorders, 2014
The Aberrant Behavior Checklist (ABC) is a widely used measure in autism spectrum disorder (ASD) treatment studies. We conducted confirmatory and exploratory factor analyses of the ABC in 1,893 children evaluated as part of the Autism Treatment Network. The root mean square error of approximation was .086 for the standard item assignment, and in…
Descriptors: Validity, Children, Autism, Pervasive Developmental Disorders
Measuring Repetitive Behaviors as a Treatment Endpoint in Youth with Autism Spectrum Disorder
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Scahill, Lawrence; Aman, Michael G.; Lecavalier, Luc; Halladay, Alycia K.; Bishop, Somer L.; Bodfish, James W.; Grondhuis, Sabrina; Jones, Nancy; Horrigan, Joseph P.; Cook, Edwin H.; Handen, Benjamin L.; King, Bryan H.; Pearson, Deborah A.; McCracken, James T.; Sullivan, Katherine Anne; Dawson, Geraldine – Autism: The International Journal of Research and Practice, 2015
Restricted interests and repetitive behaviors vary widely in type, frequency, and intensity among children and adolescents with autism spectrum disorder. They can be stigmatizing and interfere with more constructive activities. Accordingly, restricted interests and repetitive behaviors may be a target of intervention. Several standardized…
Descriptors: Autism, Pervasive Developmental Disorders, Behavior Problems, Repetition
Predictors and Moderators of Parent Training Efficacy in a Sample of Children with Autism Spectrum Disorders and Serious Behavioral Problems
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Farmer, Cristan; Lecavalier, Luc; Yu, Sunkyung; Arnold, L. Eugene; McDougle, Christopher J.; Scahill, Lawrence; Handen, Benjamin; Johnson, Cynthia R.; Stigler, Kimberly A.; Bearss, Karen; Swiezy, Naomi B.; Aman, Michael G. – Journal of Autism and Developmental Disorders, 2012
The Research Units on Pediatric Psychopharmacology-Autism Network reported additional benefit when adding parent training (PT) to antipsychotic medication in children with autism spectrum disorders and serious behavior problems. The intent-to-treat analyses were rerun with putative predictors and moderators. The "Home Situations…
Descriptors: Behavior Problems, Autism, Hyperactivity, Predictor Variables
Factor Structure and Psychometric Properties of the Revised Home Situations Questionnaire for Autism Spectrum Disorder: The Home Situations Questionnaire-Autism Spectrum Disorder
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Chowdhury, Monali; Aman, Michael G.; Lecavalier, Luc; Smith, Tristram; Johnson, Cynthia; Swiezy, Naomi; McCracken, James T.; King, Bryan; McDougle, Christopher J.; Bearss, Karen; Deng, Yanhong; Scahill, Lawrence – Autism: The International Journal of Research and Practice, 2016
Previously, we adapted the Home Situations Questionnaire to measure behavioral non-compliance in everyday settings in children with pervasive developmental disorders. In this study, we further revised this instrument for use in autism spectrum disorder and examined its psychometric properties (referred to as the Home Situations…
Descriptors: Factor Structure, Psychometrics, Questionnaires, Pervasive Developmental Disorders
Comparing Autism, PDD-NOS, and Other Developmental Disabilities on Parent-Reported Behavior Problems: Little Evidence for ASD Subtype Validity
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Snow, Anne V.; Lecavalier, Luc – Journal of Autism and Developmental Disorders, 2011
Studies on the distinction between Autistic Disorder (AD) and Pervasive Developmental Disorder Not Otherwise Specified (PDD-NOS) have been inconclusive. This study examined the validity of PDD-NOS by comparing it to AD and other developmental disorders (DD) on parent-reported behavior problems. Fifty-four children with PDD-NOS were individually…
Descriptors: Check Lists, Behavior Problems, Autism, Developmental Disabilities
Autism Screening Tools: An Evaluation of the Social Communication Questionnaire and the Developmental Behaviour Checklist-Autism Screening Algorithm
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Witwer, Andrea N.; Lecavalier, Luc – Journal of Intellectual & Developmental Disability, 2007
Background: This study is the first to evaluate the "Social Communication Questionnaire" (SCQ) and the "Developmental Behaviour Checklist-Autism Screening Algorithm" (DBC-ASA) in the same sample of school-aged children with intellectual disability (ID) with and without Pervasive Developmental Disorders (PDDs). Method: Parents of 49 children (36…
Descriptors: Measures (Individuals), Psychometrics, Mental Retardation, Pervasive Developmental Disorders