About: ISTAR offers fluency shaping stuttering therapy in Edmonton, Canada. Programs include 3-week intensive clinics (6 hrs per day) for adults in January and June and for teens (ages 11-18) in July. A 2-week intensive clinic (2 hrs per day) followed by a 4 day camp for children ages 7-11 and their families is offered in August. There are extended therapy programs available throughout the year for preschool children and others for whom intensive clinics are not suitable. Refresher clinics for individuals or small group maintenance sessions are scheduled throughout the year. Current prices for evaluation range from $215.00 to $260.00; 3 week course for $3,980.00.
Evidence: ISTAR is a leader in researching stuttering treatment, with more than a dozen published studies. Two studies found that the program was effective for 70% of adults and teenagers, marginally effective for an additional 5%, and ineffective for 25% of stutterers.