Robert D. TennysonRobert Tennyson is a professor in the Department of Educational Psychology, University of Minnesota. He is also the editor of Computers in Human Behavior (Elsevier). He has published over 200 scientific papers, books chapters and books. His presentatons include numerous international settings and audiences. Research includes concept learning, instructional design principles and strategies, technology-based learning systems, computer simulations and games, and evaluation. Read More Read Less