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How do you ensure that the answer is unique?Siem wrote: I managed to do it with "array by column" and I enabled mandatory. The subquestions are "most" and "least".
That's why I suggested Array (Numbers) with checkbox layout.The array by column is missing a validation option to use something like self(unique)
But why is the question type "array by column" even existing if a simple validation is not included.tpartner wrote: That's why I suggested Array (Numbers) with checkbox layout.