This study investigated changes in the speech patterns of young adult male subjects when stuttering was modified by deliberately prolonging speech. Three subjects showed clinically significant stuttering reductions when using prolonged speech to reduce their stuttering. Resulting speech was perceptually stutter free. Acoustic and…

This paper examines a prolonged speech treatment model for stuttering, the Camperdown Program. Sixteen participants showed minimal or no stuttering in everyday speaking situations for up to 12 months after entering the program's maintenance phase, with speech rates in the normal range. Results were achieved in a mean of 20 hours of clinic…

A study investigated whether age, gender, period from onset to treatment, and stuttering severity related to the required treatment time of 250 preschoolers who completed the Lidcombe Program. Data indicate that, for a short period after stuttering onset, a short delay in treatment did not appear to increase treatment time. (Contains references.)…