I have a survey with a mandatory question "array numbers" "checkbox layout" = "y". the survey has "show previous button" = "y".
You can't pass the question until at least one box per line is checked. That's ok. If you have 1 row not checked and you push enter, all subquestions turn red. Not necessary but I can live with that.
If you check at least one box in each row you can move on. If you return to the previous screen (with the array number question) all subquestions are marked in red. This is confusing for respondents.
Is there any way to avoid this?
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