The Modified Checklist for Autism in Toddlers (M-CHAT-R) is a validated screening questionnaire that evaluates risk for autism spectrum disorder in children ages 16–30 months. It is important to note that the checklist is not a diagnostic instrument; rather it provides an indicator of possible autism.
- The M-CHAT-R can be completed online at the following link: https://www.autismspeaks.org/screen-your-child
- M-CHAT-R - Wikipedia
- Validation of the Modified Checklist for Autism in Toddlers, Revised with follow-up (M-CHAT-R/F) - validation study of the M-CHAT-R