4Scriven, Michael. Beyond Formative and Summative Evaluation[A].In M.W. McLaughlin and ED.C. Phillips, eds. Evaluation and Edu cation: A Quarter Century[C]. Chicago: University of Chicago Press, 1991.19-64.
5Nan, Susan Allen. Formative Evaluation. [DB/OL]. http://www.beyondintractability.org/m/formative_evaluation.jsp.