I'm setting up a survey with a couple of matrix table questions, each one contains some statements which I would like people to rate by Likert scales.
Because of the statement lists are a bit long (some contains more than 10 statements), I do not want to force the respondents to rate each single statement, but rather, for each matrix table question, force them to rate at least 3 out of the given statements.
How do I set the custom validation to achieve this?
Here's a snapshot if it helps to make sense, as you can see there are seven statements, and I would like people to rate at least 3 of them.
!
Thank you!
Best answer by KimothiSaurabh
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