From The Connecticut Mirror November 20, 2017 Jake Kara Harris Public Policy Professor Jeffrey Grogger Harris Public Policy Professor Jeffrey Grogger was featured in the The Connecticut Mirror discussing research methods that he examined while peer reviewing an analysis of Connecticut's traffic stops, such as how to best control for people's driving pattern when using the "veil of darkness test" that he helped create. “The problem with that is there may be other differences between day- and night-time driving, people going to work […], people going out at night. Maybe those aren’t comparable groups.” Full coverage available at The Connecticut Mirror. Upcoming Events More events Drop-in with a Director Tue., November 18, 2025 | 12:00 PM Harris Public Policy Visit at Loyola University of Chicago Tue., November 18, 2025 | 4:30 PM Loyola University of Chicago 1032 W Sheridan Rd Chicago, IL 60660 United States Harris Credential Programs General Webinar Tue., November 18, 2025 | 7:00 PM