Instrument boundary
The Modified Checklist for Autism in Toddlers, Revised with Follow-Up (M-CHAT-R/F) is a screening instrument for a defined young-child population. Screening indicates whether follow-up may be useful; it does not diagnose autism.
Rights decision
METAMI is information-and-official-link only. It does not reproduce, translate, adapt, embed, store, or score the question bank.
Official links
Use the official M-CHAT information and permissions and the official translations listed by the instrument owner.
What METAMI does not do
METAMI does not calculate condition risk, provide a cut-off interpretation, or replace professional developmental evaluation.