“…Guess & Byrnes, 1973;Guess, Sailor, Ruther-ford, & Baer, 1968;Hart & Risley, 1968). Harris (1975) states, "Once language has been established within the training situation, the next step is the extension of functional speech to other people in addition to the trainer and to other settings beyond the therapy room" (p. 573). A few investigators have established viable techniques such as using more than one trainer for programming generalization of verbal behavior across experimenters (Garcia, 1974;Kale, Kaye, Whelan, & Hopkins, 1968).…”