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Re: Cohen's Fallacy





Jim,



I don't defend Dr. Cohen's study at all.  The inverse relationship was 

published both in the first paper by Field and later acknowledged by Dr. 

Cohen on this list.  I am merely stating the facts as presented. My post was 

in response to Ruth's question.    I



Don



>From: Muckerheide <muckerheide@MEDIAONE.NET>

>Reply-To: Muckerheide <muckerheide@MEDIAONE.NET>

>To: <radsafe@list.vanderbilt.edu>

>Subject: Re: Cohen's Fallacy

>Date: Sun, 27 Jan 2002 20:51:33 +0000

>

>  From: "Rad health" <healthrad@HOTMAIL.COM>

>

> > There is a huge inverse correlation in Cohen's county level data between

> > smoking and radon.  It is also likely correlated within the county level

> > with such other factors as socioeconomic level.  Cohen can not account 

>for

> > these within county correlations for even one county and the 

>correlations

> > are not linear among counties.

> >

> > Don

>

>Don,

>

>I'd ask for data, but you seem to just "make it up" as you go. Yet you

>arbitrarily defend one small, unreplicated (unreplicable?), study with poor

>dose data (that depends solely on dose data for credible results), in a 

>poor

>location (maybe intentional by the funding agencies?), that is contrary to

>voluminous, established, substantial data, as "defining" radon dose effects

>to support the EPA/radon industry. It seems that people who understand and

>apply data and statistical analysis to reflect the real world, instead of

>preordained conclusions, can't buy it.

>

>Jim Muckerheide

>

>

> >> From: RuthWeiner@aol.com

> >> To: healthrad@hotmail.com, radsafe@list.vanderbilt.edu

> >> Subject: Re: Cohen's Fallacy

> >> Date: Sun, 27 Jan 2002 16:11:17 EST

> >>

> >> In a message dated 1/27/02 10:22:58 AM Mountain Standard Time,

> >> healthrad@HOTMAIL.COM writes:

> >>

> >>

> >>> smoking status and residential radon are uncorrelated within each

> >>> county (which seems unlikely),

> >>

> >> Now maybe I am stupid, but what these authors seem to be saying is that

> >> residential radon and smoking status are correlated; e.g., higher radon

> >> levels occur in houses where there are smokers.  Did they mean to say 

>that

> >> the EFFECT of smoking and residential radon are synergistic?  Or did 

>they

> >> really mean what they said, which can only be interpreted that smokers 

>get

> >> some radon exposure from smoking?

> >>

> >> Given the imprecision of  the language, I am not sure what conclusions 

>can

> >> be

> >> drawn.

> >>

> >>

> >> Ruth Weiner, Ph. D.

> >> ruthweiner@aol.com

> >

> >

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