A 23-year Harvard and Columbia University study was recently published shedding new light on the long-term impacts of teachers with both high and low value-added estimates. Researchers Chetty, Friedman, and Rockoff tracked math and reading assessment data on over 2.5 million students from 1989-2009. They then incorporated 90% of these
As public safety officials leaf through their favorite criminal justice periodical they are greeted with pages and pages of analytics advertisements. These ads are laden with promises of robust and scalable solutions, improved efficiencies and, yes, the promise of prediction. While reading the advertisements, the mental conversation may go something
A few weeks ago, in Northern Virginia, a 30 foot highway sign fell onto I-66 and landed on a passing pickup truck. Fortunately, no one was hurt, but it drew media attention and caused motorists in the area to wonder about the safety of other signs and the transportation network
