6Michaelsen L,Sweet M,Parmelee DX.Team-based learning:Small grouplearning’s next big step[M].John Wiley&Sons Inc,New York,2008.1-99.
7Tiwari A,Lai P,So M,et al.A comparison of the effects of problem basedlearning and lecturing on the development of students’critical thinking[J].Medical Education,2006,40(6):547-554.
8Barrows HS. A taxonomy of problem based of learning methods [ J ]. Med Educ, 1986,20(6) :481 -486.
