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Frequently asked questions
The Prolific platform
What is Prolific?
How is Prolific different from MTurk & Co?
Who can post studies on Prolific?
What if my study is time sensitive?
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Estimated and average reward per hour
What do each of the details in the study creation form mean?
Can I create surveys using Prolific?
Preventing participants from taking your study multiple times
Can I change any details of my study after it is published?
Can I resend notifications about my study to participants?
Changing the eligibility criteria of a live study
Deleting a study
How do participants find out about my study?
When are Prolific participants most active?
Who are the people in your participant pool?
How does Prolific recruit participants?
How does Prolific prevent duplicate participant accounts?
Practices, security and privacy
Can I ask Participants for their Personal Information/Identifiers?
Data Protection and Privacy
Prolific Practices and Security Systems
Why is my account on hold?
How to Resolve an Underpaying Study with Bonus Payments
Missing data from Prolific participant
Participants who don't match the prescreening selected
I received more participants than I asked for
Missing participant in Prolific submissions list