CARS 2 Childhood Autism Rating Scale™, Second Edition

Eric Schopler, PhD, Mary E. Van Bourgondien, PhD, Glenna Janette Wellman, PhD, and Steven R. Love, PhD

Purpose: Helps you identify and diagnose autism spectrum disorder
Format: Paper and pencil
Age range: 2 years and older
Time: Untimed

Qualification level: B

This product is currently out of stock and unavailable.


The CARS2 discriminates between children with autism and those with severe cognitive deficits and distinguishes mild-to-moderate autism from severe autism.

Features and benefits

  • Assesses virtually all ages and functional levels.
  • Provides concise, objective, and quantifiable ratings based on direct behavioral observation.
  • Can help you integrate diagnostic information, determine functional capabilities, provide feedback to parents, and design targeted interventions.

Test structure

  • Includes a form for higher-functioning individuals, an alternative for assessing verbally fluent individuals ages 6 years or older with IQ scores above 80.
  • A separate, unscored questionnaire for parents and caregivers serves as a structured way to gather caregiver information.

Technical information

Ratings are reliable across time, settings, sources of information, and raters.

Additional information


Kits, Manuals, books, and equipment, Forms and booklets


6671-KT CARS2 Complete Kit – includes CARS2 Manual, 25 Standard Version Rating Booklets, 25 High Functioning Individuals Rating Booklets, and 25 Questionnaires for Parents or Caregivers, 6672-TM CARS2 Manual, 6673-RF CARS2 Standard Version Rating Booklets (pkg/25), 6674-RF CARS2 High Functioning Individuals Rating Booklets (pkg/25), 6675-RF CARS2 Questionnaires for Parents or Caregivers (pkg/25)