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…

Instructive feedback (IF) is a teaching strategy where extra information, or secondary targets, are presented in the consequence portion of an instructional interaction. Unlike teaching primary targets, no response is required from the learner after presentation. In the current investigation, the procedures from Tullis et al. (2017, "The…