High quality data that you can trust

Prolific ensures you get authentic responses from real, verified participants. Here’s how.

Trusted by over 3,000 world-renowned organizations

Yale
AI2
Stanford
Google

Protocol: The rules that protect Prolific's data quality

Protocol is a suite of 40+ rules across seven modules. Each protects a different area of data quality. Together, they identify and eliminate any risk within our online participant pool.

Find out more about Protocol

Every participant is monitored by Protocol. This includes:

ID checks
Qualitative ability
Location verification
Bad actor behavior

How do we ensure high-quality data?

Prolific is always one step ahead of bad actors. As they adapt, we adapt. Learn about the features and teams we have in place to ensure you get high-quality data.

Download the report

Keeping research real in the age of AI, on Prolific

We’re dedicated to tackling the challenges that AI poses to research integrity. Hear from Prolific's CEO, Phelim Bradley, and VP of Product, Sara Saab, on what we’re doing to address these issues.

Identify AI misuse with authenticity checks

Authenticity checks automatically detect AI-generated free-text responses, with 98.7% accuracy. Free to use with Qualtrics, Gorilla, and Prolific's in-built data collection, they make it easy to identify and remove AI-generated responses, saving hours of manual checks.

Learn how to use it

Cited papers

While we regularly monitor our own data quality, some third-party researchers also compare online research platforms like ours. Read their research below.

A team of independent researchers – Benjamin D. Douglas, Patrick J. Ewell, and Markus Brauer – set out to evaluate five of the most commonly used platforms for online research: Prolific, CloudResearch, MTurk, Qualtrics, and an undergraduate participant pool (SONA).

Comparing data quality in online research platforms

Data quality in online human-subjects research: Comparisons between MTurk, Prolific, CloudResearch, Qualtrics, and SONA
Read the paper
Dr Derek Albert and Dr Daniel Smilek assess attentional disengagement (multi-tasking, mind wandering) in participants on Prolific and MTurk.

Examining attention in online research platforms

Comparing attentional disengagement between Prolific and MTurk samples
Read the paper

Get complete data quality control with Prolific

Start researching with Prolific and accelerate your impact today.