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

And this is one of them where they compare babies looking at this versus this.

这是其中的一个研究,心理学家们在比较,婴儿对这两张照片的注视情况

耶鲁公开课 - 心理学导论课程节选

There's some space up in heaven where all the unborn babies are that will live in the future and, unfortunately, they're not able to have a town meeting; but, let's suppose they could.

想象一下在天堂的某处,所有尚未出生但即将诞生的小婴儿们在那儿，可惜的是，他们开不了人民大会吧;,不过，我们假设这能成真。

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And when I talk on Wednesday about developmental psychology I'll show different ways in which psychologists have used habituation to study the minds of young babies.

等我们在周三探讨发展心理学时,我会向大家讲述心理学家们,应用习惯化,来研究婴儿心理的不同的方法。

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So, this is an example movie but this is what babies would see.

你们看到的是一段实例影片,不过婴儿们就是观看这样的影片

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They like to hear the music of a smooth voice and so on.

婴儿们喜欢听到拥有平缓声音的音乐等等

耶鲁公开课 - 心理学导论课程节选

So, they're sitting down and they're seeing a movie where one character's going to help a ball achieve a goal, and another character's going to hinder the ball.

所以婴儿们坐着看影片,影片讲述一个人极力进球,而另一个人要极力阻挠

耶鲁公开课 - 心理学导论课程节选

Remember, there's a limited number of things babies can do.

记住,婴儿们能做的事情有限

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And what they're listening to isn't the words.

婴儿们所听到的并非是词

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They sound different to babies too.

婴儿们也会听出它们的不同

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They start babbling at the same point.

婴儿们同时开始咿呀学语

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That's one thing babies can do.

这是婴儿们能够做到的一件事

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