Ron,

 

I am not sure what statistical package you are using but it is definitely possible to have multiple dependent variables within the repeated measures design.  There are several things you need to be careful of when doing a MANOVA as well as several limitations with the technique (see citation below).  The dataset typically does not have to be arranged in a special manner in most cases but you do have to specify the model correctly via the statistical program you are using.  Hope this gets you started and good luck with your analyses.

 

Lavori, P. (1990). ANOVA, MANOVA, my black hen: Comments on repeated measures. Archives of General Psychiatry, 47(8), 775-778.

 

Jeff

---------------------------------------------------------------

Jeff Dang, MPH

Statistician

UCLA Cousins Center for Psychoneuroimmunology

(Affiliated with the Neuropsychiatric Institute and

Department of Psychiatry and Biobehavioral Sciences)

300 UCLA Medical Plaza, Room 3148

Los Angeles, CA 90095-7057

Tel: 310-267-4389

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-----Original Message-----
From: Ron Devine Vave [mailto:[EMAIL PROTECTED]]
Sent
: Wednesday, January 28, 2004 1:09 PM
To: Edstat
Subject: [edstat] repeated measures question

 

hi there,

 

i'm a newbie to statistics and am a graduate student in marine biol. my research design features 2 within-subjects factors and 1 between-subjects factors. i have 7 dependent variables (measurements) that i'm measuring during each survey time.

 

question:

is it possible to analyse all 7 dependent variables at the same time using repeated measures anova? if so, how do i arrange my dataset. i know how to arrange the dataset for analysis of only one variable.

 

thank you,

ron

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