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Koegel, Lynn Kern; Bryan, Katherine M.; Su, Pumpki L.; Vaidya, Mohini; Camarata, Stephen – Journal of Autism and Developmental Disorders, 2020
This systematic review examined definitions of "nonverbal" or "minimally verbal" and assessment measures used to evaluate communication in intervention studies focusing on improving expressive verbal communication in children with autism spectrum disorder (ASD). We reviewed sample size, number of participants, participant age,…
Descriptors: Autism, Pervasive Developmental Disorders, Verbal Ability, Communication Skills
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Rosenberg, Rebecca E.; Daniels, Amy M.; Law, J. Kiely; Law, Paul A.; Kaufmann, Walter E. – Journal of Autism and Developmental Disorders, 2009
We analyzed predictors of parent-reported initial diagnosis (autistic disorder [AD], pervasive developmental disorder-not otherwise specified [PDD-NOS], pervasive developmental disorder ["PDD"] and autism spectrum disorder ["ASD"], and Asperger syndrome [AS]), among 6,176 individuals with autism spectrum disorders diagnosed from 1994 through 2007.…
Descriptors: Evaluators, Autism, Asperger Syndrome, Geographic Location
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Filipek, Pauline A.; Accardo, Pasquale J.; Baranek, Grace T.; Cook, Edwin H., Jr.; Dawson, Geraldine; Gordon, Barry; Gravel, Judith S.; Johnson, Chris P.; Kallen, Ronald J.; Levy, Susan E.; Minshew, Nancy J.; Prizant, Barry M.; Rapin, Isabelle; Rogers, Sally J.; Stone, Wendy L.; Teplin, Stuart; Tuchman, Roberto F.; Volkmar, Fred R. – Journal of Autism and Developmental Disorders, 1999
This paper presents detailed recommendations for diagnosis of autism established by a multidisciplinary panel of the Child Neurology Society and the American Academy of Neurology. The paper offers dual-level (general development and specific symptoms) guidelines for diagnosis of autistic disorder, Asperger disorder, childhood disintegrative…
Descriptors: Autism, Clinical Diagnosis, Disability Identification, Early Identification