So one possibility is: this 30% of people in the real world who choose Beta are just nice people.

现实中30%的人选择了β,可能因为他们是好人

耶鲁公开课 - 博弈论课程节选

So it's quite difficult in the real world for candidates to position themselves.

所以在现实生活中候选人,选择位置是很难的

耶鲁公开课 - 博弈论课程节选

Now, it turns out that this game, this Prisoner's Dilemma, with the Alpha's and Beta's, or essentially the same game, has been played many, many, many times in experiments.

实际上,囚徒困境这个博弈,比如选择α和β,或者类似的博弈,在现实中进行过很多次实验

耶鲁公开课 - 博弈论课程节选