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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.

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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.
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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

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  • “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

  • “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