Welcome to IRIS

IRIS is a free and public resource. If you are submitting to IRIS, you will need to login first so that you can come back and edit your information at a later date.

About IRIS

IRIS is a collection of instruments, materials, stimuli, data, and data coding and analysis tools used for research into languages, including first, second-, and beyond, and signed language learning, multilingualism, language education, language use, and language processing. Materials are freely accessible and searchable, easy to upload (for contributions) and download (for use).

Search and download

Enter any text you wish into the search box below, such as an author, a type of instrument, a data collection method, a research area, a language, a linguistic feature, etc.

Click search to see everything in IRIS, and then use filters to narrow down your search

For terms you can search for, see the Search Help page. Multiple terms separated by a space are automatically treated as term1 OR term2 OR ... searches.

Submission and upload of new material

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IRIS Team

Project Directors

Project Administrator

Junlan Pan

Advisory Group

IRIS was founded in 2011, by Emma Marsden and Alison Mackey.