Welcome to the Official M-CHATTM

The Modified Checklist for Autism in Toddlers, Revised with Follow-Up

M-CHAT-R/F © Robins, Fein, & Barton, 2009

The M-CHAT-R/F is a 2-stage parent-report screening tool to assess risk for Autism Spectrum Disorder (ASD).

We strongly recommend that users switch to the new version, also known as M-CHAT-R/F. The revised tool reduces the false positive rate and detects more ASD cases than the original M-CHAT when used during routine pediatric check-ups.

Guidelines for use:

Please note that although downloads are available for free from this website, the M-CHAT, M-CHAT-R/F, and associated documents are not shareware or freeware. These are copyrighted instruments, and by downloading files from this website, you agree to follow our guidelines.

If you prefer a copy without shading in order for faxes to be clear, please use this No shade version

If you have a subscription to Pediatrics you may access the Validation paper here