In this study, 102 adult stutterers were assessed on state and trait anxiety before, and on trait anxiety after, intensive behavioral treatment. Results showed that persons who stutter have significantly higher levels of fear (trait anxiety) in a demanding speech situation and also higher levels of chronic anxiety (trait anxiety) than matched…

A time-out from speaking contingency was evaluated in the treatment of stuttering in three school-age children. A red light time-out signal appeared for five seconds when the child stuttered. Two of the children responded to time-out with clear reductions in stuttering. Listeners did not detect any differences between the perceptually stutter-free…

Fifteen stutterers (aged 5-16) were treated using graded airflow, tension/relaxation, and electromyographic biofeedback to reduce stuttering frequency. In a second study, addition of a discriminative stimulus control procedure to maintain fluency made the treatment program more effective than the first study and achieved a level of <1% stuttered…