Stephen Ziliak

Stephen T. Ziliak (born October 17, 1963) is an American economist, author, and educator. He is currently professor of economics at Roosevelt University in Chicago, Illinois. He previously taught for the Georgia Institute of Technology, Emory University, and Bowling Green State University. Much of his work has focused on welfare and poverty, rhetoric, public policy, and the history and philosophy of science and statistics. Most known for his works on statistical significance, Ziliak challenged the fundamental theory and practice of statistical significance testing in his 1996 article, "The Standard Error of Regressions", in a sequel study in 2004 called "Size Matters", and in a book,The Cult of Statistical Significance: How the Standard Error Costs Us Jobs, Justice, and Lives (2008) all coauthored with Deirdre McCloskey.