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Stig's avatar

The reason why Lynn wrote his book on race and psychopathy was that IQ could only explain half the imprisonment rates. The other half could be explained by psychopathy, he found.

Also, the correlation between IQ and psychopathy is very low, within races.

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Hunter's avatar

I've always imagined that one affect of having higher g is that one can sort of "imagine" consequences of events much more clearly and thus are more easily able to overcome their base instincts. If I KNOW and understand to my core that overeating regularly will cause me to gain weight, and I KNOW to my core that said weight gain will negatively affect me physically and mentally, I think it stands to reason that I would be less likely to engage in frequent overeating than someone who can only conjure up a vague image of him/herself getting overweight and the consequences of it.

Similarly, I think the same could be said for violence. I don't have any direct evidence for this, so I'd put this on the "4/7 confidence test" that you mentioned in a past article haha

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