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.
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).
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