8NielsenJ.Heuristic evaluation A.NielsenJ,Mack R Usability inspection methods M.New York:John Wiley and Sons,1994:25262.
9Polson P G,LewisC,Rieman J,et al.Cognitive Walkthroughs:A Method for Theory-based Evaluation of User Interfaces[J].International Journal of Man -Machine Studies,1992,36(5):741-773.
10Liu Fang,Usability Testing Report for the WebCT Learning Environment of CS1022B-A part of Encouraging Deep Learning with E-Learning project,2004.
