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PYC3714-25-EX10
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Use the following scenario to answer the question: A clinical psychologist wants to compare the effectiveness of two different types of therapy for reducing anxiety: and
She recruits 20
participants diagnosed with generalised anxiety disorder, 10 to undergo CBT and
10 to undergo MBSR. After 8 weeks of
treatment, all participants completed the
Beck Anxiety Inventory (BAI),
which yields a numerical score indicating their level of anxiety.
Group 1
|
CBT Group (BAI Score)
|
Group2
|
MBSR Group (BAI Score)
|
1
|
18
|
1
|
22
|
2
|
15
|
2
|
25
|
3
|
20
|
3
|
19
|
4
|
17
|
4
|
24
|
5
|
16
|
5
|
21
|
6
|
14
|
6
|
23
|
7
|
19
|
7
|
20
|
8
|
13
|
8
|
26
|
9
|
15
|
9
|
22
|
10
|
16
|
10
|
24
|
|
|
|
|
The researcher wants to establish whether a
significant difference exists between the two groups. He decides to do
statistical significance testing to a level of significance of
α = 0.05. Which
of the following is the most appropriate way to express the hypotheses to be
tested?