Project Information Literacy (PIL) has published several progress reports and research articles based on their studies, which are referenced in the "10 Ways." See PIL's website for a full list of publications, including news articles, interviews and podcasts.
PIL Progress Reports
"Learning Curve: How College Graduates Solve Information Problems Once They Join the Workplace," Alison J. Head, Project Information Literacy Research Report, October 15, 2012. (Two different versions available: Text with appendix, 38 pages, 5.8 MB or text without the appendix, 29 pages, 5.7 MB.)
"Truth Be Told: How College Students Evaluate and Use Information in the Digital Age," Alison J. Head and Michael B. Eisenberg, Project Information Literacy Progress Report, University of Washington's Information School, November 1, 2010. (Two different versions available: Text with appendices: 72 pages, PDF, 5.8MB version or Text without appendices: 41 pages, PDF, 5.49MB.)
“Assigning Inquiry: How Handouts for Research Assignments Guide Today's College Students,” Alison J. Head and Michael B. Eisenberg, Project Information Literacy Progress Report, University of Washington's Information School, July 13, 2010 (41 pages, PDF, 2.14MB).
"Finding Context: What Today's College Student Say about Conducting Research in the Digital Age", Alison J. Head and Michael B. Eisenberg, Project Information Literacy Progress Report, University of Washington's Information School, February 4, 2009 (18 pages, PDF, 864 KB).
“Lessons Learned: How College Students Seek Information in the Digital Age,” Alison J. Head and Michael B. Eisenberg, Project Information Literacy First Year Report with Student Survey Findings, University of Washington's Information School, December 1, 2009 (42 pages, PDF, 3 MB).
PIL Research Articles
"Beyond Google: How Do Students Conduct Academic Research?" by Alison J. Head, First Monday, July 2007, vol. 12, no. 7, (11 pages).
"How College Students Use the Web to Conduct Everyday Life Research," by Alison J. Head and Michael B. Eisenberg, First Monday, April 2011, vol. 16, no. 4, (23 pages).
“How Today's College Students Use Wikipedia for Course-Related Research,” Alison J. Head and Michael B. Eisenberg, First Monday, March 2010, Volume 15, Number 3 (16 pages).
"Information Literacy from the Trenches: How Do Humanities and Social Science Majors Conduct Academic Research?" Preprint publication by Alison J. Head, College and Research Libraries, September 2008, vol. 69, no. 4, (39 pages).