Application of Rasch Model in Teaching Evaluation of “Chemical Bonds” Concept
REN Cheng1,2, XUE Liang1, LI Jun-Jie1, GUO Jing1
1. College of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China;
2. Longgang High School Affiliated to Central China Normal University, Shenzhen 518172, China