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Hadley, Pamela A.; Rispoli, Matthew; Holt, Janet K.; Papastratakos, Theodora; Hsu, Ning; Kubalanza, Mary; McKenna, Megan M. – Language Learning and Development, 2017
Purpose: The current study used an intervention design to test the hypothesis that parent input sentences with diverse lexical noun phrase (NP) subjects would accelerate growth in children's sentence diversity. Method: Child growth in third person sentence diversity was modeled from 21-30 months (n = 38) in conversational language samples obtained…
Descriptors: Parents, Hypothesis Testing, Control Groups, Toddlers

Streim, Nancy W.; Chapman, Robin S. – Applied Psycholinguistics, 1987
When lexical availability was manipulated through discourse support and word frequency for 40 target nouns, measurement of effects on length, complexity, order of mention, and fluency of 4- to 8-year-olds' utterances showed that the number and length of responses containing the target word varied with age, word frequency, and discourse support…
Descriptors: Child Language, Comparative Analysis, Discourse Analysis, Language Acquisition