We need to check another entrant from the outside, left wing or right wing, we need to check another entrant in the middle, there is only one possible one there, and there's a third kind of deviation we should check, what's the third type of deviation?

我们需要验证另外一个外部的参选人,左派或右派,我们需要验证另外一个中间的参选人,只有一个可能参选的人,还有第三种要验证的偏差类型,第三种偏差类型是什么

耶鲁公开课 - 博弈论课程节选

The third and final type of learning is known as operant conditioning or instrumental conditioning.

第三种，也是最后一种学习类型,叫做作操作性条件作用,或是工具性条件作用。

耶鲁公开课 - 心理学导论课程节选