5Boschewski P,Gallaher C,Isernhagen J. Nebraskans research for the STABS[ J]. Phi Delta Kappan, 2001 ( 8 ) : 611-615.
6Birenbanm M. New insights into learning and teaching and their impli- cations for assessment, In: Segers,M., Dochy,F.,and Cascallar,E.,Opti- raising New Modes of Assessment: In search of Qualifies and Standards. Kluwer Academic Publishers, P15.