Finally, in the examples we're giving, whenever the pig does something you like you reinforce it.

最后，在我们之前提到的例子里，每当那头猪做出让你满意的行为,你就会强化它。

耶鲁公开课 - 心理学导论课程节选

So, you reinforce the pig for walking forward and you punish the pig for walking backward.

那你就对这头猪向前走的行为给予强化,如果它向后退，你就惩罚它。

耶鲁公开课 - 心理学导论课程节选