To evaluate the effect and acceptability of an Internet-based comprehensive behavioral intervention for tics (ICBIT) in a sample of children and adolescents with Tic disorders. children and adolescents (aged 8-17 years) with Tourette Syndrome (TS) or Chronic Tic Disorder (CTD) and their parents will be randomly assigned to receive either an Internet-based ICBIT or wait-list (WL).
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Yale Global Tic Severity Scale (YGTSS)
Timeframe: change from baseline YGTSS total score at 3 months