Resurgence is the recurrence of target behavior (e.g., challenging behavior) during a worsening of reinforcement conditions (e.g., increases in response effort, decreases in alternative reinforcement). Previous studies have examined the prevalence and magnitude of resurgence during functional communication training implemented with discriminative…

Discusses reasons for the limited behavior-analytic research about anxiety, describes recent developments in the experimental analysis of human behavior that make behavior-analytic study of anxiety more tenable, and examines some applied implications of these recent developments. Explores the term "anxiety" and recommends increased…

Reviews laboratory research on behavioral momentum conducted with pigeons and summarizes its findings and their generality to people, including those with mental retardation. Discusses the high-probability procedure used to establish compliance in clinical settings and based in part on an extension of the momentum metaphor. (CR)