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…

The communicative behavior of five hearing-impaired children, aged two-three, and five hearing subjects was analyzed. Results showed that the quantity of communication demonstrated by the hearing-impaired children paralleled the quantity of communication observed in hearing peers when nonverbal communication acts, particularly gaze and gesture,…

This study examined the development of aggressive and oppositional behavior among alcoholic and nonalcoholic families using latent growth modeling. The sample consisted of 226 families assessed at 18, 24, 36, and 48 months of child age. Results indicated that children in families with nonalcoholic parents had the lowest levels of aggressive…

Adult stutterers (n=75) and nonstutterers (n=81) rated themselves on communication attitudes involving behavioral, affective, and cognitive components. The findings raise issues regarding stutterers' avoidances, attitude multidimensionality in the perceptions of speaking situations, differences in stutterers and nonstutterers' belief systems, and…