Authors 1.2 2007/05/21 03:05:45 GMT-5 2007/07/11 08:05:59.123 GMT-5 Nguyen Thi Thanh Phuong phuongnguyen@vef.gov Nguyen Thi Thanh Phuong phuongnguyen@vef.gov Dr. Stephen W. Director Senior Vice President and Provost Drexel University Dr. Philip Doughty Associate Professor Chair of Instructional Design Development and Evaluation School of Education Syracuse University Dr. Peter J. Gray Director of Academic Assessment Faculty Enhancement Center United States Naval Academy Dr. John E. Hopcroft Professor Computer Science Department Cornell University http://www.cornell.edu Dr. Isaac F. Silvera Thomas Dudley Cabot Professor of the Natural Sciences Lyman Laboratory of Physics Harvard Universityhttp://www.havard.edu