Examines the effects of a two-component treatment package composed of habit reversal and self-modeling to reduce the frequency of tics in 4 school-age students diagnosed with Tourette's Syndrome. Results reveal that 3 of the 4 students showed substantial decreases in their tics, which were maintained during a 5- to 10-week follow up. The fourth student showed mild decreases in tics. (Contains 29 references and 5 tables.) (GCP)