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Scarborough, Hollis; And Others – Journal of Speech and Hearing Research, 1986
A cross-sectional research study and a longitudinal research study failed to replicate previous research findings that indicated a linear relationship between age and mean length of utterance during the preschool years. Instead, a deceleration in age curves, particularly beyond about 36 months, was observed in each sample. (Author/CB)
Descriptors: Age Differences, Child Development, Child Language, Language Acquisition