Background: Two procedures were developed to teach individuals with Autism Spectrum Disorders labels (tacts) for various private events (emotions): Study 1 attempted to distinguish them from pure tacts and mands (requests); and Study 2 attempted to train initiating a conversation with grammatically correct subject-verb-comment construction.…

Comments on article by Ray E. Hosford in same issue. Presents several brief case accounts to indicate that behaviorists' explanations of techniques often do not do justice to their practice, suggesting advisability of doing as behaviorists do, not as they say. (Author/CJ)

In this case study, interactions were examined between features of Rett syndrome and operant conditioning as determinants of self-injurious behavior (SIB). Analysis suggested different functions for two forms of SIB: automatic reinforcement by sensory stimulation and escape from social interactions. Features of Rett syndrome tended to maximize the…