Date: Mon, 22 Feb 2010 08:27:24 +0100
Reply-To: García-Granero <firstname.lastname@example.org>
Sender: "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From: García-Granero <email@example.com>
Subject: Re: GLM Univariate
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Eins Bernardo wrote:
> Why is the posthoc goes like that?
By default, SPSS uses the residual MS to compute Post-hoc tests. In a
nested design, since the F test is computed dividing MS(Group) by
MS(Set), you need that Post-hoc tests uses the same MS to compute the
SE(diff.) for the means comparisons.
> Be careful when running POST-HOC comparisons for Group (in case of
> a significant result at Group level):
> /POSTHOC = Group ( TUKEY ) vs Set(Group)
> /DESIGN = Group Set(Group).
> -- For miscellaneous SPSS related statistical stuff, visit:
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