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Christensen, Lisa L.; Baker, Bruce L. – Journal of Mental Health Research in Intellectual Disabilities, 2021
Background: Oppositional Defiant Disorder (ODD) appears more prevalent among children with intellectual disabilities (ID) as compared to children with typical development. However, it remains unclear what drives this difference. Methods: Data from 70 youth with typical development (TD) and 20 youth with ID were drawn from (The Collaborative Family…
Descriptors: Behavior Disorders, Intellectual Disability, Comorbidity, Incidence
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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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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
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Brookman-Frazee, Lauren; Baker-Ericzen, Mary; Stahmer, Aubyn; Mandell, David; Haine, Rachel A.; Hough, Richard L. – Journal of Mental Health Research in Intellectual Disabilities, 2009
The objectives of this study were to estimate the prevalence of autism spectrum disorders (ASD) and intellectual disability (ID) among youths active in at least one of five public service systems: mental health (MH), educational services for youth with serious emotional disturbance (SED), child welfare (CW), juvenile justice (JJ), and alcohol and…
Descriptors: Mental Retardation, Autism, Emotional Disturbances, Child Welfare