This study, involving two three-year-olds with mild mental retardation, found that milieu language intervention can directly enhance the acquisition and generative use of lexical and semantic forms used for varied pragmatic functions and that adult systematic commenting and child spontaneous imitation may interact to facilitate the teaching…

This study examined whether the relative efficacy of 2 language teaching methods was predicted by pretreatment subject characteristics of 40 handicapped preschoolers. Seven statistical interactions between pretreatment subject characteristics and language teaching methods indicated that lower-functioning children benefited more from the Milieu…