http://www.nytimes.com/2008/04/08/science/08tier.html?_r=1&oref=slogin

"The Monty Hall Problem has struck again, and this time it's not
merely embarrassing mathematicians. If the calculations of a Yale
economist are correct, there's a sneaky logical fallacy in some of the
most famous experiments in psychology."

And a follow up:
http://tierneylab.blogs.nytimes.com/2008/04/09/monty-halls-other-problems/

Alex

PS. Check the archives before arguing that the math is wrong. :P
Everything that could be said about the original problem has already
been said.
http://www.piclist.com/techref/postbot.asp?by=time&id=piclist\2007\12\05\021204a.txt
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