为了训练小鼠，实验人员把它放在一个操作性条件反射室：一个一端置有操作杆的塑料箱。

To train a rat, the experimenter placed it in an operant conditioning chamber: a small plastic box with a lever at one end.

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因为所有的操作、条件和异常都来自于Mail Rule文档，所以使用Document对象来初始化对象。

Because all of these (actions, conditions, and exceptions) come from the Mail Rule document, the objects are initialized with a document object.

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MailRule 对象包含了（Mail Rule 文档中的）操作、条件和异常的列表。

The MailRule object contains lists for the actions, conditions, and exceptions contained in the Mail Rule document.

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Now, according to sort of a simple-minded view of operant conditioning in behaviorist psychology, the children you reward should do it more.

根据简单的,行为心理学的操作性条件反射观点来看，拿到奖励的小孩应该会画更多画。

耶鲁公开课 - 心理学导论课程节选

Part of the problem with using operant conditioning with babies is it's difficult to get them to behave in any systematic way.

应用操作性条件作用的部分问题在于,很难使婴儿们按照系统的方式行动

耶鲁公开课 - 心理学导论课程节选

What this is is learning the relationships between what you do and how successful or unsuccessful they are, learning what works and what doesn't.

操作性条件作用,是在学习行为与成功,或失败程度之间的关系，学习什么行为起作用,什么行为不起作用。

耶鲁公开课 - 心理学导论课程节选