CARS-2 Standard Form

The Childhood Autism Rating Scale, 2nd Edition (CARS2) is an instrument designed for the assessment of autism spectrum disorder (ASD) severity in individuals aged 2 years and up across the full autism spectrum. It helps clinicians differentiate between autism and other cognitive or developmental disorders, including those with high-functioning autism, by providing sensitive and nuanced ratings of symptom severity.

This tool provides professional teams with a framework that facilitates comprehensive diagnostic evaluation and allows them to tailor interventions based on detailed assessments across social, communication, behavioral, and emotional domains.

Benefits:

• Broad Spectrum Coverage: Effectively assesses individuals from severe autism cases to those with subtle symptoms and average or above-average IQs.

• Empirically Validated: Decades of research support its reliability and strong correlation with clinical diagnoses.

• Tailored for Different Populations: Separate forms for younger children with below-average IQs (CARS2-ST) and older, verbally fluent individuals with higher IQs (CARS2-HF).

• Enhanced Clinical Utility: Incorporates caregiver questionnaires, detailed rating guidelines, and intervention suggestions to improve clinical decision-making.

Key Features:

• Multiple Forms: CARS2-ST for children under 6 or with communication difficulties, CARS2-HF for ages 6+ with IQ above 80, and the CARS2-QPC caregiver questionnaire.

• Comprehensive Assessment: Covers 15 functional areas such as social behavior, communication, emotional response, and adaptability to change.

• Nuanced Rating System: Uses a 4-point scale based on behavior frequency, intensity, peculiarity, and duration.

• Standardised Scoring: Generates Total Raw Scores, standard scores, and percentiles to guide diagnosis and intervention.

• Detailed Manual: Provides scoring interpretation, case examples, intervention guidance, and feedback frameworks.