I've had a problem come up when testing my survey. Someone accidentially clicked a scale they didn't actually have an answer for and couldn't unclick it.
We've disabled the "no answer" choice since we don't want to encourage people clicking that. Is there some way to disable unclicking a scale by maybe clicking the currently active choice again?
By definition, you cannot manually un-check an input:radio element. You will need to add an "N/A" answer or add a button to programmatically un-check all radios in the row.
Generally people who have an answer to a question answer it and don't just click N/A. I think this is a fear that shouldn't actually be a big concern.
And if you "force" people to answer, you just move the "N/A" to your "valid" answers and in my opinion, this makes data quality worse.
I prefer those people who don't care or can't answer to click "N/A" than to simply give an answer anyway.
yes, I know, not really an solution to your actual question, but I think it is food for thought. Because at the end, your analysis is only worth doing if the quality of your data is good. So I (personally) rather have them click N/A and being able to exclude them from analysis than to "contaminate" my data.
I answer at the LimeSurvey forum in my spare time, I'm not a LimeSurvey GmbH employee.
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