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From |
Richard Williams <richardwilliams.ndu@gmail.com> |

To |
statalist@hsphsun2.harvard.edu, statalist@hsphsun2.harvard.edu |

Subject |
Re: st: Nominal or ordinal? |

Date |
Thu, 12 Aug 2010 17:55:49 -0500 |

use "http://www.indiana.edu/~jslsoc/stata/spex_data/ordwarm2.dta";, clear tab1 warm reg warm yr89 male white age ed prst rvfplot That plot certainly doesn't look like a random scatter of points.

At 04:26 PM 8/12/2010, Michael N. Mitchell wrote:

Dear Dave (and all others)I know I am personally rather trusting of treating such scales asinterval data... do you or any others have suggestions onreferences justifying the treatment of scales like this as interval?Many thanks, Michael N. Mitchell Data Management Using Stata - http://www.stata.com/bookstore/dmus.html A Visual Guide to Stata Graphics - http://www.stata.com/bookstore/vgsg.html Stata tidbit of the week - http://www.MichaelNormanMitchell.com On 2010-08-12 1.29 PM, David Bell wrote:-- Chelsea,Most of the world is willing to treat scales like this as intervaldata. Sure it isn't "exactly" interval. Be sure to considerwhether your audience will be familiar with interpretations ofordinal 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 fourpotential responses: (1) Not Likely, (2) Slightly Likely,(3) Quite Likely, (4) Extremely Likely.A colleague thinks this is an ordinal variable which should beanalyzed using ordered logit regression. My sense was thatthis is a nominal variable, and should be analyzed usingmultinomial regression - since we cannot know if the levels areequally spaced in people's minds.My apologies for what is probably a very simplistic question, butI've searched Statalist and online, and I still am notentirely certain. I would greatly appreciate input on this question. Thanks, Chelsea * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/* * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/* * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

------------------------------------------- Richard Williams, Notre Dame Dept of Sociology OFFICE: (574)631-6668, (574)631-6463 HOME: (574)289-5227 EMAIL: Richard.A.Williams.5@ND.Edu WWW: http://www.nd.edu/~rwilliam * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**References**:**st: Nominal or ordinal?***From:*"Polis, Chelsea B." <cpolis@jhsph.edu>

**Re: st: Nominal or ordinal?***From:*David Bell <dcbell@iupui.edu>

**Re: st: Nominal or ordinal?***From:*"Michael N. Mitchell" <Michael.Norman.Mitchell@gmail.com>

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