Gitta de Vaan


OASID is a semi-structured assessment tool that can help in the diagnosis of ASD in people with a moderate to profound intellectual disability combined with visual impairments or deafblindness.

The manual is available in Dutch and English. If you wish to translate the manual in your own language, please contact us. The manual can be downloaded free of charge. This manual is licensed under a Creative Commons Attribution-Noncommercial-NoDerivatives 4.0 International license. Visit http://creativecommons.org/licenses/by-nc-nd/4.0/ to see a copy of the license.

If you would like to apply for an OASID training, or plan a training for your company, please contact us.

Download OASID manuals