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)

This study evaluated the validity of language-assessment instruments with Native American children, ages 3 to 5. Results indicated that the Preschool Language Scale-3 provides a valid assessment of the receptive and expressive language skills of 3- and 4-year-old Native-American children. However, use of this scale with 5-year-old Native Americans…

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…