Information Technology Reference
In-Depth Information
Figure 12.22
The
Task Roles
have been specified.
second pair of rows represent
granules 0
. The last within-subjects variable
is
boxcolor
and will increment most rapidly down the rows. Therefore,
the first row of data represents
boxcolor 1
(aqua), the next represents
boxcolor 2
(orange), the third represents
boxcolor 1
(aqua), and so on.
This strategy, represented in univariate form for SAS, is equivalent to the
multivariate data structure that we used for SPSS.
12.10.2 STRUCTURING THE DATA ANALYSIS
Import the data file from Excel into a new SAS project. Then, from the
main menu, select
Analyze
➜
ANOVA
➜
Mixed Models
.Thewindow
opens on the
Task Roles
tab. From the
Variables to assign
panel, select
satisfaction
and drag it to the icon for
Dependent variable
. Then, one
at a time, select
powcolor
,
granules
,
boxcolor
,and
subid
and drag them
overtotheareaunder
Classification variables
. The result of this is shown
in Figure 12.22.
In the navigation panel, select
Fixed Effect Model
as shown in Fig-
ure 12.23. In the
Class and quantitative variables
panel, select
powcolor
and then select the
Main
pushbutton;
powcolor
will automatically appear
in the
Effects
window. Repeat this procedure for
granules
and
boxcolor
.
Then, while holding the Control key down, select both
powcolor
and
granules
. With both variables highlighted, click the
Factorial
pushbut-
ton;
powcolor
∗
granules
will automatically appear in the
Effects
window.
