 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 in the field of statistical significance, Ziliak gained notoriety from his 1996 article, "The Standard Error of Regressions", from a sequel study in 2004 called "Size Matters", and for his University of Michigan Press best-selling and critically acclaimed book "The Cult of Statistical Significance