Information Technology Reference
In-Depth Information
a. Conduct an ANOVA on these data by hand and with SPSS or SAS.
b. If the interaction is statistically significant, perform a simple effects
analysis and multiple comparisons tests by hand and with SPSS or
SAS.
11.3.
Consider the following hypothetical 2
×
4 factorial data set. The eight
treatment combinations had
n
5 participants receiving all treatments in
a randomized order. The data are as follows:
=
a
1
a
2
Subject
b
1
b
2
b
3
b
4
b
1
b
2
b
3
b
4
1
2
2
8
3
7
2
3
9
2
3
1
8
1
7
2
1
9
3
1
1
9
3
8
2
1
7
4
2
0
9
1
8
1
1
6
5
0
2
8
3
9
1
2
9
a.
Conduct an ANOVA by hand and with SPSS or SAS.
b.
If the interaction is statistically significant, perform a simple effects
analysis and multiple comparisons tests by hand and with SPSS or
SAS.
