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…

Twenty-one apparently normal children (ages 18 to 34 months) with slow expressive language acquisition were evaluated initially and again at age 3. The late talkers also scored significantly lower in receptive communication and socialization. Followup showed nearly half the group remained delayed in expressive communication and socialization,…

This longitudinal study assessed the narrative language development of primary grade children with slow expressive language development (SELD) as toddlers who either had or had not moved into the normal range of expressive language by early school age. Deficits in narrative skills tended to disappear in children with a history of SELD, though…

This study found that the speech of mothers (n=28) of toddlers slow to acquire expressive language tended to differ only in the frequency of use of lexical contingency devices (specifically expansion and extension of child speech), when compared to mothers of normally speaking toddlers. (Author/DB)