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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
Brief Report: Social Disability in Autism Spectrum Disorder--Results from Research Units on Pediatric Psychopharmacology (RUPP) Autism Network Trials
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Scahill, Lawrence; Hallett, Victoria; Aman, Michael G.; McDougle, Christopher J.; Arnold, L. Eugene; McCracken, James T.; Tierney, Elaine; Deng, Yanhong; Dziura, James; Vitiello, Benedetto – Journal of Autism and Developmental Disorders, 2013
There is growing interest in measuring social disability as a core element of autism spectrum disorders in medication trials. We conducted a secondary analysis on the Aberrant Behavior Checklist Social Withdrawal subscale using data from two federally-funded, multi-site, randomized trials with risperidone. Study 1 included 52 subjects assigned to…
Descriptors: Autism, Pharmacology, Effect Size, Pervasive Developmental Disorders
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