Parity is one source of automatic reinforcement that increases the probability of verbal behavior that conforms to models provided by the verbal community. Parity as a conditioned reinforcer could explain the acquisition of grammar in the absence of direct, explicit reinforcement. This possibility has been explored in previous research on…

The purpose of this study was to test the effects of a peer-yoked contingency on the induction of observational performance, observational acquisition, and the Naming capability. In Experiment I, three male kindergarten and first grade students diagnosed with disabilities were selected as target participants because they had the listener component…