Prolific

Trusted and vetted participant pool of over 120,000+ real participants Fast and reliable responses Diverse and representative data sets Ability to find and re-contact participants Integration with favorite tools Automate tasks with open-source APIs Dedicated help center and support team

How many participants are in the participant pool? How are participants verified? What if I receive poor responses from participants? Can I find participants based on specific criteria? Can I re-contact participants from previous studies? What tools can I integrate with Prolific? Is there a limit to the number of collaborators I can add? Is there support available?