The issue of vagueness is summarized in a more technical way by the philosopher Karl Popper who described--who introduced the term of falsifiability.

关于概念模糊的问题,哲学家卡尔·波普用一个更加专业的术语,进行了总结,他提出了“可证伪性“这个术语。

耶鲁公开课 - 心理学导论课程节选

But the problem is, when you make specific falsifiable predictions they don't always do that well.

但问题是，你所得出的这些具体而可证伪的预测,并不总是很准。

耶鲁公开课 - 心理学导论课程节选

So we're throwing away all of the strategies less than 5/4 for Player I and bigger than 6/4 for Player I, which is 1? for Player I and similarly for Player II.

这样我们又剔除了,参与人小于5/4大于6/4的策略,参与人I只有1?的区间,同理可证参与人II

耶鲁公开课 - 博弈论课程节选

One reason is these are interesting and falsifiable claims about child development.

一个原因是,这些是关于儿童发展的,有趣且可证伪的论断

耶鲁公开课 - 心理学导论课程节选

The idea of falsifiability is that what distinguishes science from non science is that scientific predictions make strong claims about the world and these claims are of a sort that they could be proven wrong.

可证伪性是指,科学与非科学的区别在于,科学能够做出关于世界的有力预测,而这些预测是可以被证伪的。

耶鲁公开课 - 心理学导论课程节选

It's falsifiable.

它是可证伪的。

耶鲁公开课 - 心理学导论课程节选