Previous Research

• January 20, 2015Valid Testing, Effective Teaching, and Valid Test Use（Yang Huizhong）
• April 5, 2011The Background of and Approach to Can-do Description of Language Ability: Taking CEFR as an Example（Fang Xujun, Yang Huizhong, Zhu Zhengcai）
• November 15, 2008Creating a Unified Scale of Language Ability in China（Fang Xujun, Yang Huizhong, Zhu Zhengcai）
• March 15, 2007On Establishing a Unified Asian Level Framework of English Language Proficiency（Yang Huizhong, Gui Shichun）
• June 19, 2006A Review of Current Language Proficiency Scales（Han Baocheng）