MACCS Research. Surveys that are paid by Amazon vouchers and PayPal. Ages 18 and over. 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. They even have a mobile app! Participants are paid $15 per hour (or pro rata) for taking part in these experiments.
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