Hi, I am carrying out a study using the Delphi method. For this, we will be sending out an initial questionnaire to participants, then after analysing the responses from this questionnaire, sending out a second questionnaire. The second round questionnaire will be based on the findings from the round one questionnaire. We may also create a third round questionnaire. For this, I will need to generate a unique ID number for participants, and then have this same unique ID number linked to the participant in each round so that if the participant asks for their data to be withdrawn, we can withdraw all of their data (the study will be anonymous).
I have read this tutorial: https://www.qualtrics.com/support/survey-platform/common-use-cases-rc/pulling-data-into-a-second-survey-longitudinal-surveys/, and can see it is possible to pull unique ID numbers into a second survey, however in our case, we may have some participants that complete the round 2 questionnaire without completing the round 1 questionnaire. I am wondering if it is possible to pull unique ID numbers into the second round where the participant has completed round 1, and create a unique ID number in the round 2 questionnaire for those that have not participated in the round 1. Any help or advice on this would be much appreciated.
Pulling a unique ID number into a second and/or third questionnaire
+1
+27Do you have a Qualtrics contact list that you will use to invite people to the initial questionnaire?
+13You can set a variable for those users who complete their respective questionnaire studies and then get only those with the variable set as let's say 1 and filter them out from rest.
+1https://community.qualtrics.com/XMcommunity/discussion/comment/55160#Comment_55160No, we do not have a Qualtrics contact list - we were planning on sharing the link to the first questionnaire through university mailing lists and on relevant webpages.
+27https://community.qualtrics.com/XMcommunity/discussion/comment/55167#Comment_55167In that case, in the 2nd survey at the beginning of the survey flow branch based on the value of the 'LoginID' url parameter. If it isn't empty add an authenticator under the branch then populate the data from the first survey under the authenticator.
+1https://community.qualtrics.com/XMcommunity/discussion/comment/55169#Comment_55169Great, thank you very much for your help.
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