2010 study in American Journal of Political Science on factors that may predict state conflict, collapse.

2011 paper by the Stanford Graduate School of Business on the predictive power of "deceptive language" used during corporate conference calls.

2011 study published in the British Medical Journal examining the health and environmental benefits of public cycling initiatives.

2010 report by the Department of Health and Human Services on the cognitive development and physical health outcomes of Head Start students.

2011 report by the Department of Interior based on data from the U.S. Geological Survey, the Bureau of Land Management, and the Bureau of Ocean Energy.

2011 report by the National Institute of Justice on neglected evidence problems in sexual assault cases nationwide.

2011 report by the U.S. government on progress of women in federal hiring and attainment of higher-level positions.

Range of reports, studies and working papers on the implications of the United States' carrying a large public debt.

2011 study by the University of Warwick and Humboldt University on the rate of global conflict over the past 130 years

2012 study by MIT and Harvard on impacts of randomly assigned Medicaid insurance in Oregon on public health outcomes.