國立臺灣師範大學科學教育研究所Lin, M. C.Chang, C. Y.2014-12-022014-12-022009-06-22http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/42580In this article delineates several type of assessment tools based on the auto-grading and feedback system in the online 3D Compound Virtual Field Trip (3D-CVFT) system developed by us and descript how the assessment proceeding. The short answer question is one of the best ways to check users’ learn effects and the open-ended tasks not only can be formative assessment but seem to be the summative evaluation as well.