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Re: st: Nominal or ordinal?


From   David Bell <dcbell@iupui.edu>
To   <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Nominal or ordinal?
Date   Thu, 12 Aug 2010 16:29:44 -0400

--
Chelsea,

Most of the world is willing to treat scales like this as interval data.  Sure it isn't "exactly" interval.  Be sure to consider whether your audience will be familiar with interpretations of ordinal logit regressions.

Dave
====================================
David C. Bell
Professor of Sociology
Indiana University Purdue University Indianapolis (IUPUI)
(317) 278-1336
====================================




On Aug 12, 2010, at 2:59 PM, Polis, Chelsea B. wrote:

> Dear Statalisters,
> 
> I am working with a dependent variable that has the following four potential responses: (1) Not Likely, (2) Slightly Likely, 
> (3) Quite Likely, (4) Extremely Likely.
> 
> A colleague thinks this is an ordinal variable which should be analyzed using ordered logit regression.  My sense was that 
> this is a nominal variable, and should be analyzed using multinomial regression - since we cannot know if the levels are 
> equally spaced in people's minds.
> 
> My apologies for what is probably a very simplistic question, but I've searched Statalist and online, and I still am not 
> entirely certain.  I would greatly appreciate input on this question.  
> 
> Thanks,
> Chelsea
> 
> 
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