Allowing only one response per column in a matrix | XM Community
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Is there a way to make it so a respondent can only select one answer per column in a matrix table? My columns correspond to diagnoses so there can only be one.

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Use a transposed matrix.


TomG That doesn't solve my problem because when I transpose the matrix then the person can still select multiple answers in a row which means then they are saying someone has more than one primary diagnosis.


https://www.qualtrics.com/community/discussion/comment/30786#Comment_30786I wasn't clear on your requirement. You could use a Pick/Group/Rank question with one group or a Ranking question (Text Box). That way you could avoid writing custom JavaScript.
Otherwise, if you must have radio buttons, it would be less complex to write JavaScript to adapt a Ranking question with radio buttons rather than a Matrix question.


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