The chapters in this volume, all written by experts in the field, present an array of new research on second language acquisition (SLA) that touches on several current theoretical debates in the field and present a rich range of new empirical data and a number of innovative findings. The studies address questions relating to ultimate attainment,…

This paper reports on two studies of finite verb use to determine whether children with specific language impairments, who use grammatical morphemes less than typical children matched for mean length of utterance (MLU), produce other language details more frequently. The paper concluded that offsetting effects are not necessary in principle, given…

Evaluation of the speech perception of eight children (ages four and five) with specific language impairments and documented morphological difficulties found these children to be especially weak in discriminating speech stimuli whose contrastive portions had shorter durations than the noncontrastive portions (typical of English grammatical…

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…

Late talkers with normal receptive language were compared with typically developing peers at ages 3 and 4 on grammatical suppliance during speech samples. At age 4, "late bloomers" did not differ from typically developing children, but late talkers with "continuing delay" differed on several grammatical variables. Findings are discussed in terms…

This study compared the relative effectiveness of imitative intervention and conversational recast language intervention applied to grammatical morpheme and complex sentences in 21 children with specific language impairment. The conversational procedure was found to require fewer presentations to first spontaneous use and to produce more…

This study used grammaticality judgments to measure the sensitivity of four school-age children with severe speech and physical impairments (SSPI) to different morphological errors. Results indicated that the SSPI children and control groups made similar judgments. Participants with SSPI had greater difficulty detecting tense-marking errors…