You also learned about altruism, the bystander effect, and when we are more or less likely to help a person in need, and also about the social exchange theory, the reciprocity norm, the social responsibility norm, and social traps.

您还了解了利他主义、 旁观者效应，以及我们何时或多或少地帮助有需要的人， 以及社会交换理论、 互惠规范、社会责任规范和社会陷阱。