1. 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。
2. It was found that the implicit effect of stereotype and ingroup favoritism remarkably existed; 研究表明：刻板印象和内群体偏爱的内隐效应明显地存在；
3. ingroup The ingroup is the group actually studied by an investigator working on genealogical relationships between taxa. 内群在分类单元之间的亲缘关系方面的调查工作，内群是实际上被研究的群。
英英解释
n.
1. an exclusive circle of people with a common purpose
