Stereotypic behavior exhibited by a third grade boy with autism was maintained by automatic reinforcement and occurrences of stereotypy were brought under stimulus control. The intervention consisted of pairing a green discriminative stimulus card (SD) with free access to stereotypy and a red card (SD absent) with vocal redirection and blocking…

In this study, 48 third-grade children learned a successive, two-choice discrimination under one of three conditions: (1) immediate reinforcement (IM), (2) 10-second empty delay (ED), and (3) 10-second delay with the discriminative stimuli in view of S (FD). The performances of groups IM and FD were only marginally different, and were both…

The purpose of the study was to test the discriminative cue hypothesis by attempting to train pupils to increase effort following a high expectancy condition and to reduce effort following a low expectancy condition. Fourth grade high-IQ low achievers were used as subjects in the study, because the authors felt that while they would learn fast,…