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A question about Constant Sum

  • July 21, 2021
  • 3 replies
  • 77 views
C

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.
Screenshot 2021-07-21 at 10.39.36.png

Best answer by MatthewM

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/

3 replies

rondev
Level 6 ●●●●●●
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  • rondev
  • Level 6 ●●●●●●
  • July 21, 2021

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

Ron Dev (DM for any request. XM Technology Consultant, surveysolution.in)
C
  • clpanlam
  • Author
  • July 22, 2021

https://community.qualtrics.com/XMcommunity/discussion/comment/39208#Comment_39208Really thanks for your help. I am sorry and I am so confused about how to use the custom validation.
May I know where can find the user guide for the custom validation?
Many thanks.🙇‍♂️

MatthewM
Level 6 ●●●●●●
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  • MatthewM
  • Level 6 ●●●●●●
  • Answer
  • July 22, 2021

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/

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