“…Interventions based on modeling have been used extensively to teach receptive and expressive language repertoires to preschool children (Brown, 1976;Cocking, 1977;Goldstein, 1984;Morgulas & Zimmerman, 1979;Whitehurst, 1977;Whitehurst, Ironsmith, & Goldfein, 1974) and to language-delayed children (Courtright & Courtright, 1976Goldstein & Brown, 1989;Prelock & Panagos, 1980). Although modeling has been widely recognized as a powerful process for facilitating children's language learning, a number of investigators have pointed out that modeling procedures have not been used to their fullest extent (Baer, Peterson, & Sherman, 1967;Browder, Schoen, & Lentz, 1986-1987Cullinan, Kauffman, & LaFleur, 1975;Glidden & Warner, 1982). This seems surprising given the Correspondence and requests for reprints should be addressed to Howard Goldstein, Department of Communication, 1117 Cathedral of Learning, University of Pittsburgh, Pittsburgh, Pennsylvania 15260. prevalent use of imitation as a component of teaching.…”