Yes, it's a wonderfully reliable test I'll test you today; I'll test you tomorrow; I'll test you next year; I'll test you the day you die; I'll get the same IQ score ? Is it a valid test?

是的，这是个非常可靠的测试,今天测试，明天再测试;,明年再测，到你死的那天再测;,得出的你的智商都还是一样,但这是个有效测试吗？

心理学导论课程节选 : 耶鲁公开课