Modified Checklist for Autism in Toddlers, Revised (with Follow-Up).

M-CHAT-R/F

What it measures

Autism-spectrum risk screening in toddlers aged 16-30 months; parent-report behaviours indicative of ASD

Length and format

20 (+ structured Follow-Up interview). Yes/No parent-report; scored for low/medium/high risk; Follow-Up administered at medium risk (checklist/symptom inventory)

Language versions

Dozens of languages worldwide; one of the most-translated developmental screens

Normative data

Normative data for this instrument is held in our reference library. The per-population breakdown is not published here.

Licence

open with attribution

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference

Robins, D. L., Casagrande, K., Barton, M., et al. (2014). Validation of the Modified Checklist for Autism in Toddlers, Revised with Follow-up (M-CHAT-R/F). Pediatrics, 133(1), 37-45.