A question about Constant Sum

Question

Dear members of the Qualtrics community,I want to ask you for advice on how to auto calculate the user option in the constant sum.Example:For this question, I would like to this question can auto calculate the total from the other question.I am sorry, I am new in qualtrics and I am not familiar with JavaScript.Really thanks for your help.

MatthewM · Accepted Answer

Qualtrics has not created a support page for this specific use case. Check out this support page on Math operations: https://www.qualtrics.com/support/survey-platform/survey-module/editing-questions/piped-text/math-operations/Once you have your math operations set, you can then use it in Custom Validation in the Constant Sum question: https://www.qualtrics.com/support/survey-platform/survey-module/editing-questions/piped-text/math-operations/

rondev · Answer

Assuming we want to add the validation such that the total of this question matches with the total of some other question: In this case, we can add math operation in custom validation

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