> I don't know if IQ tests are a valid measure of a person's capacity
> for intellectual life, but it's interesting that raw performance
> on IQ tests has increased steadily over the past 80 years in
> every nation where data is available. At least in terms of
> some cognitive abilities, the American population is not being
> "dumbed down" as strange bedfellows on both right and left assume.
>
> Miles
Here's an excellent link on the subject: http://www.sciam.com/1999/0199issue/0199profile.html
There are many others to be found. Just type in "Flynn effect" on the google search engine.
-- Luke