Solved
Pair Participants
I am looking to do a study that would pair participants. Participants would receive an invite to the survey and would be paired with a roommate, spouse, sibling, etc. We want to compare the data received from the two participants, but also need to protect their privacy so it would need to be assigned a unique identifier to anonymize their responses. Can this be done in Qualtrics, especially if the paired individuals don't sign-up at the same time?
Best answer by Kate
So, Qualtrics won't allow you to generate the unique identifiers for pairs. You're going to have to come up with that yourself.
So every person is going to need a PairID that you will generate and assign to your participants. When you give the link to the pairs, you will need to give them the anonymous link, but _append_ that PairID to the anynomous link using the URL query...
https://www.qualtrics.com/support/survey-platform/survey-module/survey-flow/standard-elements/passing-information-through-query-strings/
So you can either give that URL to both people in the pair. OR you can have participant 1 elect an individual to take the survey as their pair. Ask participant 1 for the email of the individual you want. Then use the email trigger option to send the paired individual a survey:
https://www.qualtrics.com/support/survey-platform/survey-module/survey-tools/email-triggers/
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