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Abbeduto, Leonard; Murphy, Melissa M.; Kover, Sara T.; Giles, Nancy D.; Karadottir, Selma; Amman, Adrienne; Bruno, Loredana; Kim, Jee-Seon; Schroeder, Susen; Anderson, Julie A.; Nollin, Kathryn A. – American Journal on Mental Retardation, 2008
Signaling noncomprehension of the spoken messages of others was examined for youth with fragile X or Down syndrome in comparison with each other and nonverbal MA-matched typically developing children. A direction-following task was used in which some of the directions were inadequate. Both syndrome groups signaled noncomprehension less often than…
Descriptors: Down Syndrome, Receptive Language, Mental Retardation, Comparative Analysis