To sort out the confusion, Hashibe and her colleagues used statistical techniques to, in effect,make one big study out of the previous smaller studies.

VOA: standard.2010.06.30

The problem is you've got to make hundreds of millions of doses sometimes in order to have an effect on progress of the disease.

问题是有时候你不得不去制造几亿支疫苗,以便在疾病进展时发挥作用

耶鲁公开课 - 生物医学工程探索课程节选

You're more likely--It's a subtle effect when you make the groups so minimal but you're more likely to give it to your own group than to others and this suggests that moral feelings are exquisitely attuned not necessarily only to individuals but also to the psychology of groups.

你很可能…这是微细效应,因为这些群体非常简单,你很可能把钱给自己群体，而不是对方,这表明道德情感是很细微的,不仅是针对个人而言,也是针对群体心理而言。

耶鲁公开课 - 心理学导论课程节选