Examines questions related to whether children with severe learning disabilities go through the same developmental stages as children without such problems, or whether they develop along different lines. Explores the "delay" versus "deviance" issue in relation to linguistic development in children with Down's syndrome. Looks…

This sequential analysis tested the relative extent to which several adult utterance types elicited conversational replies from eight developmentally delayed children (mean age 53 months). Among findings were that child replies of any length were elicited by adult topic continuations more than by any other adult utterance type. (Author/DB)