agree with 1,2,3, 4, not 5- "人类智商是前进的"

智商 isn't knowledge or skill, can't accumulate. If you find nowday's IQ ave is higher than 100 yrs ago, then the IQ tests need to redesign.

所有跟帖： 

• IQ test is not achievemnet test nor aptitude test, --worldance-- ♀ (148 bytes) () 12/21/2017 postreply 12:34:10

• 现在的IQ测验时常是偏离原来的设计了，不少是复习以后考的 LOL。当然更重要的是智商这个概念本身模糊不完善 -linda2- ♀ (0 bytes) () 12/21/2017 postreply 12:53:16

• yes, that's the problem. --worldance-- ♀ (0 bytes) () 12/21/2017 postreply 12:54:31