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...The psychometric properties of children s yale brown obsessive compulsive scale in tic disorders junjuan yan beijing hospital yi gu fang wen liping yu wang jingran liu mengyu first medical center chinese pla general jiahui chu yanlin li yonghua cui ying liying bch com cn https orcid org research article keywords disorder posted date january rd doi rs v page license this work is licensed under a creative commons attribution international read full abstract background patients with td usually comorbid ocd severity symptoms ocs widely evaluated via cy bocs however reliability and validity are still unclear methods study we examined version results china performed analyses on found that cronbach alpha test retest were respectively showed good consistency two factor structure namely obsession factors comparative t index was conclusion has adolescents it suggests could be used especially for ts worldwide prevalence ranges from common comorbidity up to tourette syndrome associated poorer qual...