1. University at Buffalo, Buffalo, NY, USA
2. Florida International University, Miami, FL, USA
3. University College Dublin, Dublin, Ireland
4. Haverford College, Haverford, PA, USA
5. Virginia Tech, Blacksburg, VA, USA
6. University of Oregon, Eugene, OR, USA
7. University of Washington, Seattle, WA, USA
8. CSEdResearch.org, Peoria, IL, USA
9. University of Virginia, Charlottesville, VA, USA
10. University of North Carolina at Charlotte, Charlotte, NC, USA
11. Florida State University, Tallahassee, FL, USA
12. Westfälische Wilhelms-Universität Münster, Münster, Germany
13. University of Maryland, College Park, MD, USA
14. Michigan State University, East Lansing, MI, USA