Reliability and validity of the Yale Global Tic Severity Scale.

A. Storch, Eric; K. Murphy, Tanya; R. Geffken, Gary; Sajid, Muhammad; Allen, Pam; W. Roberti, Jonathan; K. Goodman, Wayne

doi:10.1037/1040-3590.17.4.486

Public

Reliability and validity of the Yale Global Tic Severity Scale.

Published in Psychological Assessment • Jan 1, 2005

Authors:

Eric A. Storch

Tanya K. Murphy

Gary R. Geffken

Abstract

To investigate the reliability and validity of the Yale Global Tic Severity Scale (YGTSS), 28 youth aged 6 to 17 years with Tourette's syndrome (TS) participated in the study. Data included clinician reports of tics and obsessive-compulsive disorder (OCD) severity, parent reports of tics, internaliz...

Subject

Tics

Psychology

Tourette syndrome

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