Comment Re:but your sig isn't necessarily accurate (Score 2) 756
Lars said:
>> IQ isn't perfectly normal because there is a lower limit at 0, but no upper limit. But those aren't even one-in-a-million cases.
More to the point, accident, environment and disesase can all decrease IQ, but rarely if ever enhance it (OK, syphillis will enhance IQ, but only temporarily :-). This cause a far larger skew to the low end than the excess spread to the high end.
>> IQ isn't perfectly normal because there is a lower limit at 0, but no upper limit. But those aren't even one-in-a-million cases.
More to the point, accident, environment and disesase can all decrease IQ, but rarely if ever enhance it (OK, syphillis will enhance IQ, but only temporarily
