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Warren, Steven F.; Fey, Marc E.; Yoder, Paul J. – Mental Retardation and Developmental Disabilities Research Reviews, 2007
Research over the past 50 years has yielded several promising approaches and many specific intervention techniques designed to enhance the communication and language development of young children with intellectual and developmental delays and disabilities. Yet virtually no systematic research has been conducted on the effects of different…
Descriptors: Intervention, Developmental Delays, Language Acquisition, Child Development
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McCathren, Rebecca B.; Yoder, Paul J.; Warren, Steven F. – Journal of Speech, Language, and Hearing Research, 1999
This study examined the relationship between prelinquistic vocalization and expressive vocabulary one year later in 58 toddlers (ages 17- to 34-months old). Rate of vocalizations, rate of vocalizations with consonants, and rate of vocalizations used interactively were all positively related to later expressive vocabulary. (Author/DB)
Descriptors: Child Development, Developmental Delays, Expressive Language, Language Acquisition
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McCathren, Rebecca B.; Yoder, Paul J.; Warren, Steven F. – Journal of Early Intervention, 1999
A study tested the relationship between prelinguistic pragmatic functions and later expressive vocabulary of 58 toddlers with mild to moderate developmental delays. Results indicate that rate of joint attention and rate of communication were statistically significant predictors of later expressive vocabulary. Rate of behavior regulation was not a…
Descriptors: Attention, Behavior Patterns, Child Development, Developmental Delays
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Warren, Steven F.; Yoder, Paul J. – Peabody Journal of Education, 1996
Reviews past and present research on early communication and language intervention at the Kennedy Center for Research on Human Development, presenting three premises that inform most of the Kennedy Center's research on the issue, summarizing seven lines of contemporary research by Kennedy Center investigators that influence the development of…
Descriptors: At Risk Persons, Child Development, Child Health, Child Language