Now, we know from the work in the Bystander effect that in general which one are we more likely to help in, when we're the only person or multiple?

我们从旁观者效应的实验中知道,我们在哪种情景上更可能出手相救，一个人，还是有其他人时？

耶鲁公开课 - 心理学导论课程节选