Hello
I have not made any changes to my survey and all of a sudden there is one response that was completed months ago is showing up multiple times in the Data & Analysis results as if it were just submitted. It only seems to be doing this for one specific survey. See BW Flexible Systems. Any ideas on what is causing this? I have it set up so that each link can only be used once (unique) . 
(1) Survey being Duplicated Multiple Times
+8Have you contacted Support? They should be able to dig into what's going on if it's a Qualtrics issue (sounds like it may be).
If it's something you can address - it would be something around your settings:
- Do you have incomplete responses set to record after a given amount of time? (like a month)? You can check the "progress" and "finished" status on those responses to see if they were actually finished or they were pushed to record after the date
- If the person started the survey multiple times, instead of editing a previous started one...this also may occur with #1 above. You should be able to look at the IP Address for each...are they the same?
I spoke with Qualtrics support I guess it was an anonymous link that someone used multiple times however it still does not make sense as the information in the duplicates is exactly the same information
+8Depending on how you have your options set (do you allow multiple submissions?) then if I have an anonymous link, and I click it again, it will have all of my previous submission there. I can change it or just skip through to the end and hit submit. Voila! Duplicates.
If you don't allow multiple submissions, if I use the same computer/browser, it would say, "you already completed this survey." So to SPAM you then, I'd have to open the link in a new browser/computer and I would not have the data I used previously.
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