This study examined repair strategies used by boys with language impairments, in response to clarification requests following conversational breakdowns. Five subjects, aged four-five, were compared with five age-matched controls and five controls matched for verbal competence. Results showed that all three groups overwhelmingly used revisions to…

A modeling procedure involving dynamic interactions was used to train three language-delayed preschool children to emit five-element syntactic responses. A single-subject multiple baseline design using within- and across-subject replication was employed to study the acquisition of expanded "agent-action-object" sentences and the…

Thirty-six children, aged four-five, completed four vocabulary measures: Peabody Picture Vocabulary Test-Revised, Picture Vocabulary subtest of the Test of Oral Language Development, Expressive One-Word Picture Vocabulary Test, and Receptive One-Word Picture Vocabulary Test. Only moderate correlations were found among these tests, implying that a…

This final report summarizes the activities and findings of a research project which developed a model program for preschoolers "at risk in language." A total of 22 children, including 17 children "at risk" and 5 peers, participated in the program; the children served by the project showed increased facility with language in…