< Back to Glossary

Checklist for Autism in Toddlers (CHAT)

The Checklist for Autism in Toddlers (CHAT) is a screening tool designed to identify children aged 18 months who are at risk of having social-communication problems.

It has been replaced by the Modified Checklist for Autism in Toddlers (M-CHAT).

Related Glossaries

About This Glossary

This glossary is designed to explain some of the jargon and gobbledygook used by some people when they talk about autism or research..

You may be able to find more information, including links to other parts of this website, by clicking on the title of an item.

If you can't find the word you are looking for, or you know of a word we should include, please email info@researchautism.net


The fact that an intervention is listed in this glossary does not necessarily mean that we agree with its use. Nor does it necessarily mean that there is any scientifically valid or reliable evidence behind it.