M-CHAT-R Autism Screener
The Modified Checklist for Autism in Toddlers, Revised (M-CHAT-R) is a validated screening tool designed to identify children ages 16-30 months who may benefit from a diagnostic evaluation for autism spectrum disorder.
Before you begin:
- This screener is designed for children between 16 and 30 months of age.
- It takes approximately 5 minutes to complete.
- Answer each question based on how your child usually behaves.
- If your child has shown a behavior only once or twice, answer "No."
- This is a screening tool, not a diagnosis. Results should be discussed with a healthcare provider.
The M-CHAT-R/F was developed by Diana Robins, PhD, Deborah Fein, PhD, and Marianne Barton, PhD. It is freely available for clinical, research, and educational purposes. This implementation is provided as a service to families and does not replace professional evaluation.
About the M-CHAT test
What is the M-CHAT-R?
The M-CHAT-R (Modified Checklist for Autism in Toddlers, Revised) is a validated screening questionnaire for children ages 16 to 30 months. A parent answers 20 yes or no questions about their child, and it takes less than five minutes.
Is the M-CHAT a diagnosis?
No. It is a screening test. The result indicates whether a formal developmental evaluation is recommended; only a qualified professional can diagnose autism.
What does a positive result mean?
It means follow-up is recommended, not that your child has autism. The next steps are the M-CHAT-R follow-up interview and a conversation with your pediatrician or a developmental evaluation. If you would like help with those steps, you can contact our clinical team.
My child is older than 30 months. Can I still use the M-CHAT?
The M-CHAT-R is validated only for ages 16 to 30 months. For an older child, describe your concerns to your pediatrician or ask us about a developmental assessment.