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Peer reviewedAbbeduto, Leonard; And Others – Journal of Speech, Language, and Hearing Research, 1997
Noncomprehension signaling by 16 school-age children with mild mental retardation was compared with performance of 16 typically developing children matched for nonverbal mental age. Message type and speaker were manipulated in a direction-following task. Message type, not speaker, influenced noncomprehension signaling, with no intergroup…
Descriptors: Children, Communication Skills, Expressive Language, Interpersonal Communication
Abbeduto, Leonard; Murphy, Melissa M.; Cawthon, Stephanie W.; Richmond, Erica K.; Weissman, Michelle D.; Karadottir, Selma; O'Brien, Anne – American Journal on Mental Retardation, 2003
This study compared the receptive language of adolescents and young adults with either Down syndrome (n=25), fragile X syndrome (n=19), or mental age matched typically developing children (n=24). Individuals with the syndromes differed in relative achievements across the domains of receptive vocabulary, receptive syntax, nonverbal cognition, and…
Descriptors: Adolescents, Congenital Impairments, Down Syndrome, Genetics
