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> Date: Wed, 21 Sep 2011 18:18:13 +0200
> Subject: Re: st: MANOVA to verify difference
> From: damiano.bordogna@gmail.com
> To: statalist@hsphsun2.harvard.edu
>
> Thank you Ronan,
>
> i'll try to introduce you my problem!
>
> My database is made of
> - 57 observation (divided into 6 groups of respondant), representing
> firm's stakeholders (iROWS)
> - 11 binary variables, representing stakeholders' objectives (COL)
> - 4 normal (not descrete) variables, representing stakeholders' salience (COL)
>
> I want to verify if there are differences between the different groups
> according to the choosed objectives (VERY IMPORTANT: as said before,
> objectives are dummy variables, 0-1).
>
> Thank you again Ronan!
>
> 2011/9/21 Ronan Conroy <rconroy@rcsi.ie>:
> > On 2011 MFómh 21, at 14:36, Damiano Bordogna wrote:
> >
> >> Is it possible, with MANOVA, to verify if there's some kind of
> >> difference between different goups of observation?
> >
> > That is the kind of question that doesn't get you very far. Can you explain what you are trying to do?
> >
> > Many statistical procedures examine difference of some kind between groups of observations. And no statistical procedure can verify that there is a difference. All you can do is see how well the observed differences are explained by chance, and, more important, see if the observed effect sizes are of any real life importance.
> >
> > Tell us a little more about your problem, then!
> >
> >
> > Ronán Conroy
> > rconroy@rcsi.ie
> > Associate Professor
> > Division of Population Health Sciences
> > Royal College of Surgeons in Ireland
> > Beaux Lane House
> > Dublin 2
> >
> >
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