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Re: st: Power analysis after the fact


From   SR Millis <srmillis@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Power analysis after the fact
Date   Thu, 21 Apr 2005 06:54:48 -0700 (PDT)

Hoenig & Heisey discuss the fundamental flaw in post
hoc power analysis in their paper, "the abuse of
power" (The American Statistician, 2001, 55(Feb), pp.
19-24).

SR Millis


--- Ricardo Ovaldia <ovaldia@yahoo.com> wrote:
> Dear All,
> 
> We were recently asked by an anonymous reviewer to
> include a power analysis on a manuscript submitted
> to
> a prominent medical journal. I always understood
> that
> such power analyses were not recommended (i.e. you
> should not do them) but I am not sure why. Can
> anyone
> please cast some light on this issue?
> 
> Thank you,
> Ricardo.
> 
> 
> 
> Ricardo Ovaldia, MS
> Statistician 
> Oklahoma City, OK
> 
> 
> 	
> 		
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Scott R Millis, PhD, MEd, ABPP (CN & RP)
Director of Research - Dept of PM&R
Wayne State University School of Medicine
Rehabilitation Institute of Medicine
261 Mack Blvd
Detroit, MI 48201

Tel: 313-993-8085
Fax: 313-745-9854

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