RE: st: crossed 4-level linear analysis

["Hommes Juliette (EDUC)" <juliette.hommes@maastrichtuniversity.nl>]

Dear Amir, 

In the first module n=296 and in the second, n=326.

Thanks for your help, 

Juliette

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Amir Sariaslan
Sent: dinsdag 12 juli 2011 12:09
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: crossed 4-level linear analysis

Juliette,

What's your sample size?

Sincerely,
Amir

On Tue, Jul 12, 2011 at 11:24 AM, Hommes Juliette (EDUC)
<juliette.hommes@maastrichtuniversity.nl> wrote:
> L.S.,
>
> With great enthusiasm I've worked with STATA but now I've come across a problem that I cannot resolve so far. Therefore I hope you can give me a hand.
>
> I've collected repeated measurements (2) in two modules. Participants enrolled in the first module and were divided in groups randomly (n=30). After finishing the first module, the participants are again randomly assigned to groups (n=32). As such I've got four levels in my data structure with "crossed"data among the students/group levels: 1) Repeated measures, 2) Modules, 3) Students, 4) Groups.
>
> I've been using the xtmixed command, but I found that it could only be used for three levelled datasets (and/or crossed data). Do you have an idea to analyse the four levels in one model and account for the crossed nature of the data in STATA?
>
> Thank you very much for your help.
>
> Juliette
> Maastricht University, The Netherlands
>
>
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