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[solved] Input validation

edited April 2013 in OpenSesame

Hi all,

I have a simple experiment in which each trial consists of a short scenario, then participants have to answer 3 questions. Each answer goes into a text_input widget.

Question: How do I do input validation after the user has pressed "ok"? I need to allow integers only, and the sum of the three inputs has to be 20.

Thanks in advance!

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