Are you working on a survey research? Do you need to conduct surveys on specific groups of people? If that is the case, you could be interested in Quextit.com. This site provides a Questions & Answers service you can use to ask questions to a group of people you can define depending on what you want to study.
Quextit.com lets you define a targeted group by age, gender and ethnicity, as well as language, education and location. You can use this Q&A service to make survey researches for marketing or just for fun. Quextit is integrated with Twitter and Facebook giving you access to millions of individuals.
Therefore, if you need to make a survey on a group of certain age or gender, have this site in mind. By registering on Quextit.com you can make questions to a specific public by choosing age, ethnicity and location, in addition to other attributes. 
