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Re: st: SimpleSlopes in Multilevel Models
From
Stas Kolenikov <[email protected]>
To
[email protected]
Subject
Re: st: SimpleSlopes in Multilevel Models
Date
Sat, 4 Feb 2012 18:50:27 -0500
The line with EExPOS shows Wald test for whether this interaction is
equal to zero. The p-value is 0.043, and you would need to interpret
it in the context of your substantive problem.
On Sat, Feb 4, 2012 at 6:08 PM, Kerstin Alfes <[email protected]> wrote:
> Sorry, it's between ZSchaufeli_Short and zpos, Question33 and v_246 are controls for age and gender.
>
> Best wishes
> Kerstin
>
> -------- Original-Nachricht --------
>> Datum: Sat, 4 Feb 2012 17:07:39 -0500
>> Von: Stas Kolenikov <[email protected]>
>> An: [email protected]
>> Betreff: Re: st: SimpleSlopes in Multilevel Models
>
>> So what is this EExPOS an interaction of?
>>
>> On Sat, Feb 4, 2012 at 11:31 AM, Kerstin Alfes <[email protected]> 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 <[email protected]>
>> >> An: [email protected]
>> >> 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 <[email protected]> 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
>> >> > --
>> >> > Empfehlen Sie GMX DSL Ihren Freunden und Bekannten und wir
>> >> > belohnen Sie mit bis zu 50,- Euro!
>> https://freundschaftswerbung.gmx.de
>> >> > *
>> >> > * 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/
>> >>
>> >>
>> >>
>> >> --
>> >> 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:
>> >> * http://www.stata.com/help.cgi?search
>> >> * http://www.stata.com/support/statalist/faq
>> >> * http://www.ats.ucla.edu/stat/stata/
>> >
>> > --
>> > Kerstin Alfes
>> >
>> > Kettelerweg 24
>> > 57482 Wenden
>> > Germany
>> > Phone: +49-(0)2762-2766
>> > Mobile: +49-(0)174-160 15 44
>> >
>> > Empfehlen Sie GMX DSL Ihren Freunden und Bekannten und wir
>> > belohnen Sie mit bis zu 50,- Euro! https://freundschaftswerbung.gmx.de
>> > *
>> > * 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/
>>
>>
>>
>> --
>> 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:
>> * http://www.stata.com/help.cgi?search
>> * http://www.stata.com/support/statalist/faq
>> * http://www.ats.ucla.edu/stat/stata/
>
> --
> Kerstin Alfes
>
> Kettelerweg 24
> 57482 Wenden
> Germany
> Phone: +49-(0)2762-2766
> Mobile: +49-(0)174-160 15 44
>
> Empfehlen Sie GMX DSL Ihren Freunden und Bekannten und wir
> belohnen Sie mit bis zu 50,- Euro! https://freundschaftswerbung.gmx.de
> *
> * 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/
--
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:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/