A variety of psychotherapeutic methodologies has proliferated as a consequence of rapid growth in the need for mental health services. The effectiveness of many of these methods is questionable. Although each psychotherapeutic technique advances claims for its continued use based on clinical effectiveness, few offer adequate scientific evidence to…

Investigated with a 26-year-old male graduate student were the immediate and long-term effects of social reinforcement and feedback on the incidence of stuttering. The S's speech dysfluencies were recorded under baseline and intervention conditions in three settings: two classes the S taught and a weekly hour-long conversation period with peers.…