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McCathren, Rebecca B.; Yoder, Paul J.; Warren, Steven F. – Journal of Children's Communication Development, 1999
Fifty-eight toddlers with developmental delays participated in a 12-month longitudinal study of the relationship between prelinguistic representational ability and later expressive vocabulary. Results indicated that representational play was a significant predictor of later expressive vocabulary, but vocabulary comprehension was not. (Author/DB)
Descriptors: Comprehension, Developmental Delays, Expressive Language, Longitudinal Studies

Carson, David K.; Klee, Thomas; Lee, Sarah; Perry, Cecyle K.; Williams, Karen C. – Journal of Children's Communication Development, 1998
This study examined the relationship among language proficiency, behavior problems, and other areas of development in 36 children (ages 36 to 40 months). A strong association was found between deficiencies in both expressive and receptive language and behavioral difficulties. Specifically, deficits in expressive language at age 2 were more…
Descriptors: Behavior Problems, Cognitive Development, Delayed Speech, Expressive Language