A self-service respondent discovery tool for U.S. respondents
With access to millions of survey respondents in the U.S., Theorem enables you to run low-cost, prepaid, nationally representative studies.
Fixed Pricing
Theorem costs only $1 per complete, with no additional fees or subscription required.
Fast Results
Start receiving results within 48 hours of launching your project.
Easy Setup
Take advantage of a true DIY solution by programming your survey using Qualtrics.
Applies to any industry
Theorem is used by researchers, agencies, pollsters, content creators, and more.
Millions of respondents at your fingertips
Simply program your survey, select your participants, and launch your study.
Theorem Features
Nat Rep Balanced Respondents
Nationally representative respondents are balanced based on age, gender, ethnicity, and region demographics.
Prepay Option
Prepay for your studies, so you can launch when you are ready to begin collecting data.
Programming in Qualtrics
Use your Qualtrics account to create your survey in a few simple steps.
Get Started with LUCID Theorem
Launching your first study is easy.
LUCID Theorem requirements
- Programmed in Qualtrics
- Interview length is less than 15 minutes
- Mobile-optimized
- Qualtrics Survey Flow is set up properly
- All participants 18 years and older will qualify for and be allowed to take your survey
