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Plumb, Allison M.; Wetherby, Amy M. – Journal of Speech, Language, and Hearing Research, 2013
Purpose: In this study, the authors aimed to examine the vocalizations of children with autism spectrum disorder (ASD) in the second year of life and their relationship to other areas of development. Method: Vocalizations were examined in 125 children between ages 18 and 24 months: 50 later diagnosed with ASD, 25 with developmental delays (DD) in…
Descriptors: Pervasive Developmental Disorders, Autism, Toddlers, Language Acquisition
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Wetherby, Amy M.; Rodriguez, Gary P. – Journal of Speech and Hearing Research, 1992
Communication samples were collected from 15 normally developing children (ages 11-27 months) during the prelinguistic, single-word, and multiword stages, using both structured and unstructured contexts. Significantly more requests were used during the structured context, but no significant difference was found between the numbers of comments used…
Descriptors: Communication Skills, Context Effect, Language Acquisition, Language Tests