Identification of the Minimal Clinically Important Difference (MCID) for Childhood Autism Rating Scale Second Edition (CARS2) in children with ASD
This study estimates the Minimal Clinically Important Difference (MCID) for the Childhood Autism Rating Scale Second Edition (CARS2) in children with autism spectrum disorder to be approximately 2.6 points, derived by correlating changes in CARS2 scores with the Autism Treatment Evaluation Checklist (ATEC) as an external anchor.