TESS is an NSF-funded infrastructure project called Time-sharing Experiments for the Social Sciences (TESS) that offers researchers opportunities to test their experimental ideas on large, diverse, randomly-selected subject populations. Follow the links below to obtain basic information about TESS, to learn about how to submit a proposal, and to gain access to data and results from recently run TESS experiments.

About Us

• Project Overview  
• What is a General Population Experiment?  
• Why is Time-sharing Beneficial?  
• What is the future of TESS?  
• What is the relationship between ExperimentCentral.org and TESS?  

• How to Submit a Proposal  
• The Review Process  
  • TESS Review Process Flow Chart  
  • TESS Acceptance Rate & Review Time  
• What to do if your proposal is provisionally accepted  
• Human Subjects Documentation  
• Submitting a User Profile  
• Submitting a Proposal if you have already completed a User Profile  
• What if I forgot my Username and Password  

• TESS Announces Winners of its First Special Competition  
• TESS Announces Winners of its Second Special Competition  
• TESS Announces Winners of its Third Special Competition  
• DHS Special Call