If you speak to your children in perfect English, it's very strange.

如果你用完美的英语表达和你的孩子说话,会是非常奇怪的

耶鲁公开课 - 心理学导论课程节选

And so, rewarding children has a danger, which is if you give them too much reward and too much a value for what they're doing they will denigrate the activity.

所以奖励孩子是有隐患的，如果你给他们太多奖励,赋予他们的活动太多价值,他们就会贬低这个活动。

耶鲁公开课 - 心理学导论课程节选

Similarly, if you're dealing with immature humans and you want your child to get you a beer, you can't just sit, wait for the kid to give you a beer and uncap the bottle " and say, "Excellent. Good. Hugs."

类似的，如果你要训练的是未成年人,如果你想让你的孩子帮你拿一罐啤酒，你就不能只是坐着，等孩子把啤酒拿给你,然后你打开瓶盖,说，“太棒了，来抱一下“

耶鲁公开课 - 心理学导论课程节选