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The IQ distribution is normal by definition. Test scores are normalised to put them exactly on that curve. In order to say that the distribution is skewed you h
by OscarCunningham 9y ago
The IQ distribution is normal by definition. Test scores are normalised to put them exactly on that curve. In order to say that the distribution is skewed you have to choose some other way of normalizing it that you think is "objective". (If you actually did this though, I think you would be correct. The best scientists and mathematicians aren't just twice as good as everyone else, they're hundreds of times as good. So the high intelligence tail is heavy, in some sense.)
- nabla9 9y agoIntelligence researchers don't use normalized IQ for anything serious (they are not comparable across countries, for example). They use raw test data to generate the real distribution. I tried to avoid using the 'IQ' and use g-factor or intelligence, but I slipped at the end. I'm sorry about that. >. So the high intelligence tail is heavy Yes. Intelligence seems to have fat tails on both directions and it's also right skewed.