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Grammatical Morpheme Acquisition in 4-Year-Olds with Normal, Impaired, and Late-Developing Language.

Paul, Rhea; Alforde, Sally – Journal of Speech and Hearing Research, 1993
Production of grammatical morphemes was examined in free speech samples from 34 4-year-olds with history of slow expressive language development (SELD) and control group. Both the SELD children who had caught up in mean length of utterance by age four and those who had not had acquired fewer grammatical morphemes than controls, though acquisition…
Descriptors: Delayed Speech, Developmental Stages, Expressive Language, Grammar