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Barnes, Elizabeth; Roberts, Joanne; Long, Steven H.; Martin, Gary E.; Berni, Mary C.; Mandulak, Kerry C.; Sideris, John – Journal of Speech, Language, and Hearing Research, 2009
Purpose: To compare the phonological accuracy and speech intelligibility of boys with fragile X syndrome with autism spectrum disorder (FXS-ASD), fragile X syndrome only (FXS-O), Down syndrome (DS), and typically developing (TD) boys. Method: Participants were 32 boys with FXS-O (3-14 years), 31 with FXS-ASD (5-15 years), 34 with DS (4-16 years),…
Descriptors: Phonology, Males, Down Syndrome, Genetic Disorders