Objective The Yale Global Tic Severity Scale (YGTSS) is the most commonly used clinician-rated evaluation tool for Tourette syndrome (TS). with established reliability and validity. This study aims to determine whether the YGTSS is a valid parent-reported assessment in the TS population. Design A prospective cohort study. https://www.roneverhart.com/HP-Victus-15-FA0031DX-15-6-FHD-IPS-Gaming-Laptop-Intel-Core-i5-12450H-3-3-GHz-GeForce-GTX-1650-8GB-DDR4-RAM-512GB-SSD/