Sorry if the link doesn't work...

[Dave L]

... but I'm an IE user.

BBC News - Internet Explorer users have lower IQ says study

[djb]

And a slightly different way of looking at it…

The Daily Mash - If you're using Internet Explorer, this is called a 'website'

[bigdave]

It was a hoax:

BBC News - Internet Explorer story was bogus

[Dave L]

The results were plainly horseshit but hats off for a good hoax (especially good was the cover of a psychometric testing company as that's all bollocks as well).