There is social, which is the study of how people act in groups, how people act with other people.

还有社会心理学,主要研究人类的群体行为,如何与他人交流

耶鲁公开课 - 心理学导论课程节选

You're a member of these groups and, as we will discuss repeatedly when we talk about social cognition and social behavior, this membership matters a lot to you.

你们都属于其中某些群体,我们以后会反复地谈到,当我们讲社会认知和社会行为时，这种群体隶属对你有很重要的意义。

耶鲁公开课 - 心理学导论课程节选

There have been cases,gruesome as they may be, in which entire groups of people drink poison together so as to die not alone, but die together,die as part of jointly dying,dying as a group.

有过一些例子，虽然听起来很可怕，一群人一起喝毒药以免孤单的死去，而是共同死亡，作为群体行为的一部分。

耶鲁公开课 - 死亡课程节选

When you're in a group doing something terribly aggressive and you are not--you don't feel like you're at risk you might laugh and laughter is a signal to other members of your group as a signal of solidarity and what you're doing together.

当你在群体在做具有强烈攻击性的行为时,你不会觉得自己有危险,你会笑,你笑是向其他群体成员传达一个信号,你们团结一致，共同进退。

耶鲁公开课 - 心理学导论课程节选