Information Technology Reference
In-Depth Information
CHAPTER 9 EXERCISES
9.1.
Assume that male (
a
1
) and female (
a
2
) community mental health
clients are randomly assigned to a special antianxiety medication (
b
1
)
or a placebo (
b
2
) control condition, in addition to one of three types of
psychotherapy conditions (
c
1
=
cognitive-behavioral, and
c
3
=
psychoanalytic). GAF scores at the end of six weeks of treatment served as
the dependent measure. The 2
brief,
c
2
=
×
2
×
3 factorial data are as follows:
c
1
c
2
c
3
a
1
b
1
a
1
b
2
a
2
b
1
a
2
b
2
a
1
b
1
a
1
b
2
a
2
b
1
a
2
b
2
a
1
b
1
a
1
b
2
a
2
b
1
a
2
b
2
40
35
50
45
60
70
65
50
40
50
48
50
45
40
55
48
65
70
65
55
45
55
45
45
48
38
58
60
68
65
60
60
38
52
45
40
40
35
50
44
65
65
60
55
30
55
60
45
45
35
48
50
65
55
66
50
35
50
55
50
45
35
50
50
70
60
70
55
40
50
50
55
a. Using SPSS or SAS, conduct an ANOVA on these data.
b. If the interaction(s) is(are) statistically significant, conduct the nec-
essary simple effects and multiple comparisons tests with SPSS or
SAS.
9.2.
Below is a hypothetical 3
5.
Participants were randomly assigned to the following treatment conditions.
×
2
×
2 factorial experiment, where
n
=
Treatments
a
1
a
1
a
1
a
1
a
2
a
2
a
2
a
2
a
3
a
3
a
3
a
3
b
1
b
1
b
2
b
2
b
1
b
1
b
2
b
2
b
1
b
1
b
2
b
2
c
1
c
2
c
1
c
2
c
1
c
2
c
1
c
2
c
1
c
2
c
1
c
2
4
5
6
3
6
7
8
7
9
7
8
10
3
5
6
3
7
5
5
5
10
9
9
9
8
9
7
2
6
7
8
7
9
10
10
8
7
5
7
4
7
5
8
7
8
10
8
8
5
2
5
4
7
6
6
8
8
9
9
7
a. Conduct an ANOVA on these data with SPSS or SAS.
b. If the interaction(s) is(are) statistically significant, conduct a simple
effects analysis and any necessary multiple comparisons tests.
9.3.
Consider the following hypothetical 3
2 factorial experiment
in which college freshmen were randomly assigned to one of three type
of music conditions (
a
1
×
2
×
rap)
and in which they listened to prerecorded music in their spare time with
ipod technology. They also participated in either in-class (
b
1
)oronline
(
b
2
) lectures for all courses taken during the semester, and they were also
=
heavy metal,
a
2
=
easy listening, and
a
3
=
