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In-Depth Information
Figure 7.12
The main
GLMUnivariate
window.
highlighted with the contrasts set to
None.
Click on the drop-down menu
indicated in Figure 7.13; clicking it presents you with the preset contrasts
available in SPSS. This is shown in Figure 7.14. Select
Simple
from this
drop-down menu; this calls for comparing the reference group to each of
the other groups. We will designate the zero month study group as our
reference group. Because this is our
first
group (the one with the lowest
valuecode),wemustselect
First
in the
Reference Group
panel. This is
shown in Figure 7.15.
Figure 7.13 Contrasts
window.
