So just by "acting" a certain role, they became that role just like Zimbardo's prisoners became their role in as little as a week.

仅仅通过“扮演“某个角色，他们变成那个角色，正如Zimbardo的犯人,在短短一周内真得变成犯人。

哈佛公开课 - 幸福课课程节选

Even they had to go into a role, just like in Zimbardo, they had to play their role of 1959 as if they were 20 years younger.

就算他们要进入角色，和Zimbardo的实验一样，要扮演1959年时的角色，仿佛年轻了20岁。

哈佛公开课 - 幸福课课程节选