Now you keep on trying and because the reinforcement is intermittent you don't expect it as much and so your behavior will persist across often a huge amount of time.

你会不停的尝试,因为此时的强化是间隔强化,你并不会抱有很高的期望,因此，你的行为,通常会持续相当长的一段时间。

耶鲁公开课 - 心理学导论课程节选

Now this was nineteen-eighty-two, quite a long time ago, at a time when people really weren't paying much attention to calories like they are now, so you'd expect the errors to decline as time goes on and there's some evidence of that, but they're errors nonetheless.

这是1982年的实验,很早之前了,当时的人们并不像今天的人们一样,那么关注卡路里,所以你会预计误差会随时间推移而减小,有证据证明了这一点,但误差仍然存在

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选