This approach focuses on the development of each verbal operant (rather than on words and their meanings) and on the independent training of speaker and listener repertoires. Skinner identifies seven types of verbal operants-echoic, mand, tact, intraverbal, textual, transcriptive, and copying a text-which function as components of more advanced forms of language. The approach emphasizes a unit of analysis consisting of the relations between behavior, motivative and discriminative variables, and consequences.
Behavior analysis has already contributed substantially to the treatment of children with autism, and further gains can result from more use of Skinner's analysis of language in Verbal Behavior (1957) and in the resulting conceptual and experimental work.
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