Arbitrarily applicable derived relational responding has been argued by relational frame theorists to be a form of operant behavior. The present study examined this idea with 4 female participants, ages 4 to 5 years old, who could not perform a series of problem-solving tasks involving arbitrary more than and less than relations. In a combined…

Implications of the behaviorist and cognitive theories in language instruction are discussed in this article. Some contributions of Skinner, Politzer, Valette, Morton, Lane, and Mueller and Niedzielski clarify the behaviorists' view of language as a myriad of conditioned responses. In turn, the cognitive viewpoint, seen as the acquisiton and…