University of Central Florida. Ages vary per project. Undergraduate Research Participation (SONA) The SONA online research management system is used to allow college students to efficiently obtain research participation credit. Some also allow payment via Amazon, or PayPal. The great thing about this Survey company is the easy access to Surveys via their mobile app. Make sure at the bottom you select some sort of paid participation. Some research is in person some in online. You will need to READ before applying. Non students are welcome to join.
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Surveyo24. Looks to be nothing more then a Survey router site that pays IF you manage to complete a Survey in points. Looks to be pretty lame, but I'm sure there are a lot of "bots" signed up for this