J. Tan's scientific contributions

Citations

... Many school teachers therefore deliberately opposed the reform (X. Wang, Ma, & Fan, 2007;Yu, 2003), and some of them even developed psychological problems during the reform (Song, Li, & Tan, 2004). A model science teacher with the highest rank in the Chinese teaching profession told a story of himself to manifest the huge challenge for normal teachers: He once was so nervous that he forgot to use chemistry equipment in a class to demonstrate an experiment although he had practised many times before the class; instead, he drew diagrams on the blackboard as usual (S. ...