MORE GUIDANCE, BETTER RESULTS?

Appendix Table E.7 (continued)SOURCES: MDRC calculations using data from the StudentTracker service of the National Student Clearinghouse and transcript data from LorainCounty Community College and Owens Community College.NOTES: The Clearinghouse collects data from about 3,300 colleges that enroll 92 percent of U.S. college students. Students have the right to opt outof having their information sent. Records were found in the Clearinghouse file for 95 percent of the students randomly assigned at Lorain CountyCommunity College and Owens Community College.A two-tailed t-test was applied to differences between research groups. Statistical significance levels are indicated as: *** = 1 percent; ** = 5percent; * = 10 percent.A two-tailed t-test was applied to differences of impacts between colleges. Statistical significance levels are indicated as: ††† = 1 percent; †† = 5percent; † = 10 percent.Missing values are not included in individual variable distributions.Distributions may not add to 100 percent because of rounding.aDistributions may not add to the percent registered at any institution because of co-enrollment.bThis category excludes Lorain County Community College and Owens Community College.cSummer and winter semesters are not shown as relative semesters, but they are included in cumulative measures.dOutcomes include data from the first program semester through the third postprogram semester.133