The University of Michigan's webpage regarding their lawsuit
contains briefs filed by their experts. The most directly relevant is the report by Patricia Gurin.
Critiques of the social evidence have been file by the national association
of scholars-(http://www.nas.org/)
For more background scholarship on the issue of diversity in
higher education, please check out the proceedings of a conference on this topic
held at Stanford University that brought together leading scholars on this
topic.
Click here for a link to that page.