Paolacci Chandler and Ipeirotis 2010 Horton Rand and Zeckhauser 2011 Mason and Suri 2012 Rand 2012 Berinsky Huber and Lenz 2012
Paolacci Chandler and Ipeirotis 2010 Horton Rand and Zeckhauser 2011 Mason and Suri 2012 Rand 2012 Berinsky Huber and Lenz 2012