Hi all:
I want to perform a 1-factor 4-levels ANOVA with repeated measures. The
EVs for a simple 2 subjects case look as follows:
EV1 EV2 EV3 EV4 EV5
subj1levelA 1 0 1 0 0
subj2levelA 0 1 1 0 0
subj1levelB 1 0 0 1 0
subj2levelB 0 1 0 1 0
subj1levelC 1 0 0 0 1
subj2levelC 0 1 0 0 1
subj1levelD 1 0 0 0 0
subj2levelD 0 1 0 0 0
The contrasts for the differences are (according to the manual)
C1 A-D 0 0 1 0 0
C2 B-D 0 0 0 1 0
C3 C-D 0 0 0 0 1
But how do I have to specify the contrast for the mean?
Is it
C4 mean 1 1 .25 .25 .25
or
C4 mean .5 .5 .25 .25 .25
because I have 2 regressors for level D?
Thanks in advance
Bertram
--
Dr. Bertram Walter
Bender Institute of Neuroimaging
University of Giessen
Otto-Behaghel-Str. 10H
35394 Giessen
Germany
Phone +49 (641) 99-26307
or +49 (641) 99-26331 (Secretary)
Fax +49 (641) 99-26309
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