Response identifier is used in reports to identify respondents who have taken your survey. By default, a respondent is identified (mapped) with response id. QuestionPro allows you to change response identifier from response id to any other option. For example, email address or any of the 255 custom variables.
Benefits of response identifier
Go to: Login » Surveys (select a survey) » Analytics On the Dashboard, click on report settings. Go to Settings and here you can select the response identifier. By default, the response identifier is set as response id. You can select the following as response identifier:
This feature is available with the following licenses :