http://chronicle.com/img/photos/biz/headcount-45.pngBy Eric Hoover. At nearly three dozen colleges that do not require applicants to take the ACT or SAT, researchers have found only “trivial differences” between the long-term performance of college students who submitted test scores and those who did not. According to a report released on Tuesday, the cumulative grade-point averages of non-submitters was .05 lower than of submitters (2.83 compared with 2.88). The difference in their graduation rates: 0.6 percent. More...