Checking numbers entered in form add to 100%

Question

I really hope someone can help me as I have spent several hours scanning the Support Site for an answer without any luck.  I have a question that asks participants to allocate a total amount of time they had spent on a compliance task, across different types of internal personnel (see image below).  Participants are asked to enter numbers in the text box without a % sign.I need to find a way of making sure the participants answers add up to exactly 100% before moving on to the next question, and giving them a customised message if this isn't the case.  Any suggestions for achieving this need to be pretty exhaustive, as I'm a Qualtrics novice and not familiar with coding JavaScript.

RaymondBurr · Accepted Answer

Hey Ashleigh - just the advice I needed.  Completely does what I wanted - thanks so much for the fast response.  Cheers!

ashleigh_quaill · Answer

You might like to look at the Constant Sum question type - this has inbuilt functionality to automatically add together the numbers that are entered and you can specify the maximum value (and even show a running total as respondents enter values).There's more information available here - https://www.qualtrics.com/support/survey-platform/survey-module/editing-questions/question-types-guide/specialty-questions/constant-sum/Hope this helps!

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