Re: Presentation on Ecologic Studies

[BERNARD L COHEN <blc+@PITT.EDU>]

On Tue, 19 Mar 2002, R. William Field wrote:

>

>   This excelllent presentation that provides some of the limitations of ecologic studies can be found here:

>   http://www.pitt.edu/~super1/lecture/lec1691/001.htm



	-Perhaps I am paranoic, but I interpret this as a shot at my test

of LNT based on my ecological study of lung cancer rates vs average radon

levels in U.S. counties. If anyone wants to point out one of the examples

in that presentation, I will show why it does not apply to my study.

Better yet, if anyone can expand one of those examples into a specific

proposal for explaining my results, they should submit a letter to Health

Physics and if it is accepted for publication, they will automatically get

a $1000 reward. By "specific", I mean something definite enough to do

calculations on.



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