Exclude from analysis on closed survey: Will changing setting invalidate my data?

Question

Hi there.  I have a several matrix questions in my survey with 1-5 scale questions plus a "N/A / did not use" option, which I added to the auto-scale Qualtrics verbiage.  In analyzing my data, I see that I should have selected "exclude from analysis" for the "N/A" options, since otherwise these are included in the median calculations.I see that I can revise the field to "exclude from analysis" (red X) in my native survey design, but I'm concerned that it will invalidate my data when I click publish.  Can someone confirm for me if it's okay to make this change on a completed survey?  Or did I need to do this at the design stage (and can't change now).  I'm worried to click Publish...

lizb311 · Answer

Go ahead and make the change! Setting "exclude from analysis" won't delete or invalidate your data - it just kind of hides it so it will not be included in reports, exports, or calculations. You can change it at any time.https://www.qualtrics.com/support/survey-platform/survey-module/editing-questions/formatting-answer-choices/#ExcludefromAnalysis

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