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Whitehurst, Grover J.; And Others – Journal of Speech and Hearing Research, 1991
A natural language sample of babble and words was obtained for 47 2-year-old children and compared with expressive language scores 5 months later. More than 50 percent of the variance in language outcome test scores was accounted for by rate of word use, rate of vowel babble, and behavior problems. (Author/DB)
Descriptors: Behavior Problems, Delayed Speech, Expressive Language, Language Acquisition