Join Our Studies – Chicago Click the icons below to take the survey to see if you’re eligible! You can take the survey for as many studies as you’d like. We will contact you for more information if you are eligible. Test a new website for youth with HIV and earn up to $170. Sometimes it’s hard to remember to take a pill everyday. We’ve got an app that can help. Take part in the P3 Research Study, test our PrEP app, and earn up to $335. On PrEP? Interested in PrEP? Make $200 to give us your opinion. Help test technology to support sexual health and earn up to $250.