1. Esther M. Friedman () is a research associate professor at the Institute for Social Research, University of Michigan, in Ann Arbor, Michigan. She was a senior behavioral and social scientist, Economics, Sociology, and Statistics (ESS), RAND Corporation, in Santa Monica, California, when this work was performed.
2. Madhumita Ghosh-Dastidar is a senior statistician, ESS, RAND Corporation.
3. Teague Ruder is a programmer, Research Programming Group, RAND Corporation.
4. Daniel Siconolfi is a behavioral and social scientist, Behavioral and Policy Sciences (BPS), RAND Corporation.
5. Regina A. Shih is a senior behavioral and social scientist, BPS, RAND Corporation.