With QuestionPro you can use surveys to recruit and create a community of members for continious discovery, and faster insights.
Go to: Login » Surveys (select a survey) » Edit » Workspace
Click on the Add Question button on the last question in the survey. From under Advanced questions, click on the Community Recruitment question under misc question types. The community recruitment question will be added to your survey. Click on Settings and select the community you wish to link the survey with. You can toggle on/off the fields you want to collect data for.When respondents answer your survey, they will also join the selected community and will be added as members to your community.
Respondent will be added to your community as a member.