1New York State Education Department.Grades 9-12 Performance Tasks. http://pals.sri.com/tasks/tasks 9-12.html . 2008
2Stiggins,R.J.Professional development: The key to a total quality assessment environment[].NASSP Bulletin.1995
3P.J. German,R. Aram,J. Burke.Identifying patterns and relationships among the responses of seventh–grade students to the science process skill of designing experiments[].Journal of Research in Science Teaching.1996