The Importance of Noncognitive Skills: Lessons from the GED Testing Program
基于GED测试项目的数据，探讨非认知技能（如动机、毅力）对个人经济成果的影响，为教育政策制定者和经济学家提供参考。
The Importance of Noncognitive Skills: Lessons from the GED Testing Program by James J. Heckman and Yona Rubinstein. Published in volume 91, issue 2, pages 145-149 of American Economic Review, May 2001