RE: st: SimpleSlopes in Multilevel Models

[Cameron McIntosh <cnm100@hotmail.com>]

Where are the main effects of EE and POS?Cam

> Date: Sat, 4 Feb 2012 17:07:39 -0500
> Subject: Re: st: SimpleSlopes in Multilevel Models
> From: skolenik@gmail.com
> To: statalist@hsphsun2.harvard.edu
> 
> So what is this EExPOS an interaction of?
> 
> On Sat, Feb 4, 2012 at 11:31 AM, Kerstin Alfes <KAlfes@gmx.de> wrote:
> > Hello Stas
> >
> > I am using stata 11.1, this is an example of my syntax
> >
> > xtmixed logPerformance1 Question33 v_246 ZSchaufeli_Short zpos EExPOS || Team: ZSchaufeli_Short zpos, mle variance
> >
> > This is the output I get and I would like to probe the interaction term EExPOS further and find out whether the simple slopes are significant.
> >
> > logPerform~1       Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
> >  Question33    .0027937   .0242461     0.12   0.908    -.0447277    .0503151
> >       v_246   -.0003632   .0007304    -0.50   0.619    -.0017947    .0010683
> > ZSchaufeli~t    .0142171   .0112795     1.26   0.208    -.0078902    .0363244
> >        zpos   -.0049291   .0096467    -0.51   0.609    -.0238363    .0139781
> >      EExPOS   -.0141973   .0070321    -2.02   0.043      -.02798   -.0004145
> >       _cons    .7707479   .0306269    25.17   0.000     .7107203    .8307755
> >
> > Best wishes
> > Kerstin
> >
> > -------- Original-Nachricht --------
> >> Datum: Sat, 4 Feb 2012 10:44:49 -0500
> >> Von: Stas Kolenikov <skolenik@gmail.com>
> >> An: statalist@hsphsun2.harvard.edu
> >> Betreff: Re: st: SimpleSlopes in Multilevel Models
> >
> >> In Stata, the output of every estimation command is accompanied with
> >> the default test that this coefficient is equal to zero (which is
> >> sensible for most slopes and correlations, although may not be so
> >> sensible for variances). Moreover, every coefficient can be tested
> >> with -test- command. Its syntax is daunting for a beginner, but you'd
> >> start appreciating it very quickly as you move from your MPlus or
> >> LISREL or MLWin experience.
> >>
> >> If you gave an example of your syntax (that's what FAQ very strongly
> >> suggests) and your output, we could help with the specific -test-
> >> command.
> >>
> >> On Sat, Feb 4, 2012 at 10:15 AM, Kerstin Alfes <KAlfes@gmx.de> wrote:
> >> > Dear All
> >> >
> >> > I ran a multilevel regression using the xtmixed command in stata.
> >> >
> >> > I have a significant interaction term between two level 1 variables and
> >> I
> >> > would like to test the simple slopes now. It seems that I need the
> >> > Asymptotic Covariance Matrix to do this. Does anbody know how to get the
> >> > ACOV in STATA? Or, is there an alternative way to test the significance
> >> of
> >> > the simple slopes?
> >> >
> >> > Many thanks
> >> > Kerstin
> >> > --
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> >>
> >>
> >>
> >> --
> >> Stas Kolenikov, also found at http://stas.kolenikov.name
> >> Small print: I use this email account for mailing lists only.
> >>
> >> *
> >> *   For searches and help try:
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> >
> > --
> > Kerstin Alfes
> >
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> 
> 
> 
> -- 
> Stas Kolenikov, also found at http://stas.kolenikov.name
> Small print: I use this email account for mailing lists only.
> 
> *
> *   For searches and help try:
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> *   http://www.ats.ucla.edu/stat/stata/
 		 	   		  
*
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