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Baker, Bruce L.; Blacher, Jan – Journal of Autism and Developmental Disorders, 2020
Disruptive behavior disorders and social skills were assessed in 187 youth aged 13 years, with typical cognitive development (TD n = 98), intellectual disability (ID n = 37), autism spectrum disorder (ASD, IQ > = 85, n = 26), or Autism Spectrum Disorder with ID (ASD/ID; IQ < 85, n = 26). The primary question was whether youth with ASD and…
Descriptors: Behavior Disorders, Interpersonal Competence, Early Adolescents, Intellectual Disability
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Baker, Bruce L.; Blacher, Jan – Journal of Mental Health Research in Intellectual Disabilities, 2021
Background: Teenage youth with co-morbid intellectual disability (ID) and autism spectrum disorder (ASD) could be at higher risk for behavioral and social difficulties than youth with ID only. Methods: Youth aged 13 years were diagnosed with ID (n = 37), ID/ASD (n = 26), or typical development (TD, n = 98). Mothers and teachers completed measures…
Descriptors: Behavior Disorders, Interpersonal Competence, Intellectual Disability, Comorbidity
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Rodas, Naomi V.; Eisenhower, Abbey; Blacher, Jan – Journal of Autism and Developmental Disorders, 2017
Children with autism spectrum disorder (ASD) are at heightened risk for developing comorbid psychological disorders, including anxiety disorders, which may be further exacerbated by the presence of externalizing behaviors. Here, we examined how structural language and pragmatic language predicted anxiety and externalizing behaviors. Participants…
Descriptors: Autism, Pervasive Developmental Disorders, At Risk Persons, Comorbidity
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Baker, Bruce L.; Blacher, Jan – Journal of Mental Health Research in Intellectual Disabilities, 2015
Dual diagnosis of autism spectrum disorder (ASD) and behavior problems and/or mental disorders has become increasingly recognized and studied. Reported rates in samples of mixed-age youth with ASD are often above 70%, making this comorbidity more the rule than the exception. The present study compared rates of disruptive behavior disorder…
Descriptors: Behavior Disorders, Autism, Pervasive Developmental Disorders, Comparative Analysis
Rodas, Naomi V.; Eisenhower, Abbey; Blacher, Jan – Grantee Submission, 2017
Children with autism spectrum disorder (ASD) are at heightened risk for developing comorbid psychological disorders, including anxiety disorders, which may be further exacerbated by the presence of externalizing behaviors. Here, we examined how structural language and pragmatic language predicted anxiety and externalizing behaviors. Participants…
Descriptors: Pragmatics, Autism, Pervasive Developmental Disorders, Language Skills
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Christensen, Lisa; Baker, Bruce L.; Blacher, Jan – Journal of Mental Health Research in Intellectual Disabilities, 2013
The study examines the epidemiology of oppositional defiant disorder (ODD) for children with intellectual disabilities (ID; n = 49), children with borderline intellectual functioning (BIF; n = 20), and typically developing children (TD; n = 115). The Diagnostic Interview Schedule for Children was administered to mothers at child ages 5, 6, 7, 8,…
Descriptors: Attention Deficit Hyperactivity Disorder, Epidemiology, Behavior Disorders, Comorbidity
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Neece, Cameron L.; Baker, Bruce L.; Crnic, Keith; Blacher, Jan – Journal of Abnormal Child Psychology, 2013
Children with intellectual and developmental disabilities are at heightened risk for mental disorders. Using current diagnostic criteria, disruptive behavior disorders, specifically Attention-Deficit/Hyperactivity Disorder (ADHD), appear to be the most prevalent co-occurring disorders. However, the validity of ADHD as a diagnosis for children and…
Descriptors: Identification, Validity, Behavior Disorders, Attention Deficit Hyperactivity Disorder