Abstract
The Tourette’s Disorder Scales (Shytle et al., 2003) are parent- (Tourette’s Disorder Scales–Parent Rated; TODS–PR) and clinician-rated (Tourette’s Disorder Scales–Clinician Rated; TODS–CR) measures that assess tics, obsessions, compulsions, inattention, hyperactivity, aggression, and emotional disturbances among children with tics. Although the TODS–PR/CR are being increasingly used in clinical trials, relatively little psychometric data have been reported. Subjects were 44 children and adolescents recruited in a university tic specialty clinic. Families were administered the TODS–CR and Yale Global Tic Severity Scale. Completion of the TODS–PR and Child Behavior Checklist were counterbalanced. Results indicated adequate to excellent internal consistency for the TODS–PR/CR scores. Excellent inter-rater agreement and convergent and divergent validity was found. These results provide further psychometric support for the TODS–PR and TODS–CR.
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Given that the primary distinction between Tourette’s syndrome and other tic disorders is the duration of diagnosis, all chronic tic disorders are hereafter referred to generically as ‘tic disorders.’
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Storch, E.A., Merlo, L.J., Lehmkuhl, H. et al. Further Psychometric Examination of the Tourette’s Disorder Scales. Child Psychiatry Hum Dev 38, 89–98 (2007). https://doi.org/10.1007/s10578-006-0043-4
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DOI: https://doi.org/10.1007/s10578-006-0043-4