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RE: st: Standardized Response Mean. Does Stata calculate this?


From   "Elizabeth Allred" <[email protected]>
To   [email protected]
Subject   RE: st: Standardized Response Mean. Does Stata calculate this?
Date   Tue, 15 Nov 2005 14:24:25 -0500

I googled standardized response means and found a whole mess of
orthopedic papers that use the term.

Here's one that defined it and gave a reference:

http://www.biomedcentral.com/1471-2474/4/10

The definition:

"Responsiveness was calculated as standardized response mean (SRM). SRM
is defined as mean score change divided by the standard deviation of
that score change [18]. An SRM >0.8 is considered large."

The reference (18) is in the paper.

Liz

> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Nick Cox
> Sent: Tuesday, November 15, 2005 2:07 PM
> To: [email protected]
> Subject: RE: st: Standardized Response Mean. Does Stata 
> calculate this?
> 
> 
> This is very intriguing as a little piece of 
> scientific sociology. If neither the client 
> nor the analyst is clear what is meant, why 
> not provide what seems sensible given the 
> problem and the data? Is anyone downstream 
> going to object that you provided the wrong answer? 
> 
> Nick 
> [email protected] 
> 
> Donald Spady
>  
> > I am unsure if that is what is meant by a Standardized
> > Response Mean.  I hate to show my ignorance about this 
> > but I am flying in the dark and the person who asked me 
> > about it wasn't all that clear either.
> 
> Alan Neustadtl
>  
> > Isn't this simply the t-statistic from a difference of 
> means test?  If 
> > so, -help ttest- should get you going.
> 
> Donald Spady
> 
> > Is there any way in Stata to calculate a Standardized
> > Response Mean?  I think it is also known as ES-II. It is 
> > the difference between means divided by the standard 
> > deviation of the difference. I could find nothing about it
> > using -findit-.
> 
> *
> *   For searches and help try:
> *   http://www.stata.com/support/faqs/res/findit.html
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
> 


*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



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