SPSS #6 (6 pts) You want to know more about what specific aspects of your interv
ID: 3324601 • Letter: S
Question
SPSS #6 (6 pts)
You want to know more about what specific aspects of your intervention for LDS returned missionaries might have been effective. As part of your treatment for depression, you encouraged them to go out and meet new friends, rather than only relying on reconnecting with friends they knew before their missions. You think it makes sense that this part of your intervention would have impacted depression, but you want to test it out. You want to know whether or not there is a relationship between the amounts of time returned missionaries spent with new friends they have made since returning from their mission, and their levels of depression at the end of the intervention. You had each missionary keep a log of their time spent with new friends, and you’ve calculated an average of hours per week. Use SPSS to examine the relationship between Week 12 depression scores and time spent with new friends. Use the SPSS 3 & 4 data set posted on Canvas to avoid data entry errors.
Participant ID
Week 12
Time w/friends
Participant ID
Week 12
Time w/friends
1
30
2
11
5
8
2
10
7
12
20
4
3
5
10
13
20
4
4
8
8
14
15
7
5
8
8
15
11
9
6
5
15
16
6
12
7
5
15
17
5
16
8
5
10
18
7
15
9
20
2
19
9
13
10
3
20
20
7
15
4a. What is the appropriate test statistic to answer this question? (1 pt) ________________________
4b. What is the null hypothesis? (1 pt)
4c. Report your result in standard format (2 pt)
4d. Should you reject or fail to reject the null? (1 pt)
4e. Interpret the coefficient of determination (1 pt)
Participant ID
Week 12
Time w/friends
Participant ID
Week 12
Time w/friends
1
30
2
11
5
8
2
10
7
12
20
4
3
5
10
13
20
4
4
8
8
14
15
7
5
8
8
15
11
9
6
5
15
16
6
12
7
5
15
17
5
16
8
5
10
18
7
15
9
20
2
19
9
13
10
3
20
20
7
15
Explanation / Answer
Correlations: Week 12, Time w/friends
Pearson correlation of Week 12 and Time w/friends = -0.806
There is strong negative correlation between Week 12, Time w/friends.
Regression Analysis: Time w/friends versus Week 12
The regression equation is
Time w/friends = 15.8 - 0.568 Week 12
Predictor Coef SE Coef T P
Constant 15.790 1.214 13.01 0.000
Week 12 -0.56762 0.09834 -5.77 0.000
S = 3.05848 R-Sq = 64.9% R-Sq(adj) = 63.0%
Analysis of Variance
Source DF SS MS F P
Regression 1 311.62 311.62 33.31 0.000
Residual Error 18 168.38 9.35
Total 19 480.00
coefficinat of determination = R-Sq = 64.9%
Interpreation : We can say that 64.9% of the variation in the Time w/friendsis reduced by taking into week 12
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