Yale Global Tic Severity Scale (YGTSS): Psychometric Quality of the Gold Standard for Tic Assessment Based on the Large-Scale EMTICS Study

The Yale Global Tic Severity Scale (YGTSS) is a clinician-rated instrument considered as the gold standard for assessing tics in patients with Tourette’s Syndrome and other tic disorders. Previous psychometric investigations of the YGTSS exhibit different limitations such as small sample sizes and insufficient methods. To overcome these shortcomings, we used a subsample of the large-scale “European Multicentre Tics in Children Study” (EMTICS) including 706 children and adolescents with a chronic…

via https://pubmed.ncbi.nlm.nih.gov/33716826/?utm_source=no_user_agent&utm_medium=rss&utm_campaign=None&utm_content=1L37KAMf2b_g4WEK3LmdFuKZu9pO3cN7u4ZmO9PPCPeBLMIw1q&fc=None&ff=20210408010902&v=2.14.3


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