I think that a "real IQ" of 150 is quite high, while the results on those junky Mensa membership tests, multiple-choice standardized tests, etc., inflate IQ's a lot. I just looked it up, and an IQ of over 150 occurs less than 4 in 10,000, and if I recall correctly, an IQ of 160 or above is supposed to occur in less than 1 person in 50,000, which would seem to imply that there are only about 2500 such adults in the US. So I doubt that everyone you know actually has an IQ of 160. The problem with measuring higher IQ's is that it really does matter if the test is written by someone a lot less intelligent than the person being tested.
There were some interesting questions on the tests at
www.highiqsociety.org. In particular, (when I looked at this site a year or so ago) the hardest tests had some questions on it that I have no idea how to get started on, although I did answer a couple of the easier ones and I think that I saw how to get started on most of the rest of them. |
