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A comment on Is there a general factor of intelligence?. Parent comment

Re:Is there a general factor of intelligence? by Kranar on Friday March 25, 2022 @12:21PM (#30804038)
>The mere fact that the results of these types of tests on large population groups tend to follow a normal distribution.

The results do not follow a normal distribution though. IQ is forced into a normal distribution with a standard deviation of 15 by definition, it is constructed in such a way that it's forced into that distribution. The actual measurements, ie. raw test scores, are not normally distributed.

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Re:Is there a general factor of intelligence? by xyzzyz on Friday March 25, 2022 @12:30PM (#30804153)
The raw test scores are normally distributed. This much is pretty much forced by the central limit theorem. Now, of course, the raw score distribution does not have mean of 100 and standard deviation of 15, but that’s just a norming issue, to make it useful to compare across the tests.
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Re:Is there a general factor of intelligence? by NoImmatureAdHom on Friday March 25, 2022 @12:24PM (#30804079)
I think you're conflating IQ and all the other things parent talks about. Almost by definition with these sorts of processes we'll see Gaussian curves.
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