Affirmative-action policies can help motivate underrepresented minority students before they apply to college and, as a result, can help narrow achievement gaps across demographic groups, concludes a report released on Monday by the National Bureau of Economic Research.

http://chronicle.com/blogs/ticker/affirmative-action-policies-can-help-reduce-achievement-gaps-study-finds/84665?cid=at&utm_source=at&utm_medium=en

The Chronicle of Higher Education