Efficiency of CAT with a Cognitively Designed Item Bank

• In Event: Electronic Board Session IV

Abstract

The efficiency of CAT was compared when using different models to calibrate item bank based on cognitive design system approach. Research has shown that the loss of CAT efficiency caused by the use of predicted difficulty can be compensated by improving the explanatory rate or adding several items.

Authors

• Hao Luo, Department of Educational Psychology, Faculty of Education, East China Normal University

• Xiangdong Yang, Department of Educational Psychology, Faculty of Education, East China Normal University