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Day, Trevor K. M.; Elison, Jed T. – Journal of Child Language, 2022
A critical question in the study of language development is to understand lexical and syntactic acquisition, which play different roles in speech to the extent it would be natural to surmise they are acquired differently. As measured through the comprehension and production of closed-class words, syntactic ability emerges at roughly the 400-word…
Descriptors: Syntax, Vocabulary Development, Factor Analysis, Classification
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Broome, Kate; McCabe, Patricia; Docking, Kimberley; Doble, Maree; Carrigg, Bronwyn – Journal of Speech, Language, and Hearing Research, 2021
Purpose: This study aimed to provide detailed descriptive information about the speech of a heterogeneous cohort of children with autism spectrum disorder (ASD) and to explore whether subgroups exist based on this detailed speech data. High rates of delayed and disordered speech in both low-verbal and high-functioning children with ASD have been…
Descriptors: Autism, Pervasive Developmental Disorders, Speech Communication, Preschool Children
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Han, Mengru; de Jong, Nivja H.; Kager, René – Language Learning and Development, 2021
Previous research indicates that infant-directed speech (IDS) is usually slower than adult-directed speech (ADS) and mothers prefer placing a focused word in isolation or utterance-final position in (English) IDS, which may benefit word learning. This study investigated the speaking rate and word position of IDS in two typologically-distinct…
Descriptors: Infants, Language Acquisition, Speech Communication, Mothers