Information Technology Reference
In-Depth Information
The present complex mixed design has the following sources of both
between-subjects variance: main effects of factors
A
,
B
, and their interac-
tion,
A
AB
.
Conversely, the within-subjects component consists of the main effect of
Factor
C
, and the interaction effects of
A
×
B
, which are all evaluated with the following error term,
S
/
×
C
,
B
×
C
,and
A
×
B
×
C
,
which are all evaluated with the
C
AB
error term. Further discus-
sion of this topic can be found in Keppel (1991) and Keppel and Wickens
(2004).
×
S
/
14.5 PERFORMING THE OMNIBUS ANALYSIS IN SPSS
14.5.1 STRUCTURING THE DATA FILE
The data file for our 2
2 complex mixed-design example is shown
in Figure 14.4. The first column, as always, is used for our participant
×
2
×
Figure 14.4
The data file for our numerical example.
