Theorem

Find survey participants in a few clicks

Find the right people for your survey. Unlock access to nationally representative survey participants based on age, gender, ethnicity, and region demographics.

Millions of real people at your fingertips

With access to millions of survey participants in the U.S., Theorem enables you to run low-cost, prepaid, nationally representative studies.

  • Survey quality All surveys are opt-in, with robust anti-fraud protection and fair participant compensation.
  • Easy setup Create your survey in Qualtrics and seamlessly connect it to Theorem in just a few steps to find the right participants.
  • Fast results Start receiving results within 48 hours of launching your project.
  • Available to anyone Researchers, agencies, pollsters, content creators, and more can use Theorem.

Pricing

With a fixed price structure, getting survey participants is now the easiest part of your research.

Nationally-representative audience

  • Fixed pricing per participant
  • Match the U.S. Census by age, gender, ethnicity, and region
  • Only pay for accepted responses

$1.50 per complete

Segmented audience by U.S state

  • Fixed pricing per participant
  • Segment your study with nationally representative sample based on U.S. state
  • Only pay for accepted responses

$3.50 per complete

Ready to launch checklist

Your survey is built in Qualtrics

The interview length is less than 15 minutes

Your survey is mobile-optimized

Your Qualtrics survey flow is set up correctly

“Theorem has been an invaluable partner in launching several complex survey projects. (Cint’s) team has demonstrated exceptional responsiveness and technical expertise, offering thoughtful solutions and hands-on support throughout the process. I highly recommend Theorem to researchers seeking both a reliable platform and outstanding support”

Danielle McLaughlin
Assistant Professor in the Department of Political Science, Kent State University

“For me Theorem is just a perfect product. As a public opinion researcher I want very affordable surveys of nationally representative US adults and I’m not sure anybody else can match that. I’ve tried others and next time I have a survey to do, I’m probably just going to go back to Theorem.”

Steven Greene
Professor of Public Opinion, North Carolina State University