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Courtemanche, Andrea B.; Schroeder, Stephen R.; Sheldon, Jan B. – American Journal on Intellectual and Developmental Disabilities, 2011
A combination of behavioral and medication-based interventions has been the most effective form of treatment for reducing problem behavior in individuals with intellectual and developmental disabilities. Evaluating the 2 types of interventions in combination and separately may require that researchers adapt methods traditionally used to evaluate…
Descriptors: Control Groups, Mental Retardation, Developmental Disabilities, Methods
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Van Laarhoven, Toni; Winiarski, Lauren; Blood, Erika; Chan, Jeffrey M. – Education and Training in Autism and Developmental Disabilities, 2012
A modified pre/posttest control group design was used to measure the effectiveness of video modeling on the maintenance of vocational tasks for six students with autism spectrum disorder and/or developmental disabilities. Each student was assigned two vocational tasks at their employment settings and their independence with each task was measured…
Descriptors: Autism, Developmental Disabilities, Control Groups, Video Technology