Wang, Feixue (2002). Ingroup Favoritism and Gender Differences in China. PhD thesis. Graduate School of Letters, Hokkaid王飞雪（2001）〈跨文化比较和中国人的信任研究〉，见杨中芳博士（主编）：《中国人的人际关系、情感与信任》，页293-313。台北：远流出版社。
What does group membership mean? How should we measure it? Ingroup vs. outgroup.群体会员的意思是什麽？我们应如何衡量？圈内与圈外。