Please enter and analyze the data in the table below in SPSS with appropriate t-test analysis. These data contain changes in self-esteem scores from pretest (before psychological counseling) to posttest (after psychological counseling).
Table 8
Depression Scale Pretest and Posttest Scores Participant
Pretest
Posttest
1
30
28
2
33
29
3
29
30
4
27
31
5
26
29
6
37
37
7
40
41
8
35
40
9
36
37
10
35
38
What are the main assumptions underlying the paired-samples (AKA repeated-measures) t-test? Please provide the SPSS output to test for the assumption of normality. Determine if the assumptions are met.
Please produce an SPSS output for the paired-samples t-test comparing the pre and posttest scores.
Provide the null and alternative hypotheses.
What is the mean and standard deviation for pretest and posttest scores? (Please use APA style.)
What is the value of the t statistic?
What is the mean difference?
What is the standard deviation difference?
What is the value of Cohen’s d? Is it small, medium, or large?
What might be concluded from these results? (Hint: The decision about the null hypothesis.) Length: There is not a set number of pages required for this assignment. All questions in the assignment need to be answered. In addition to the answers to the assignment questions, also submit the output (.spv) file. (Note. SPSS automatically generates the .spv file as you work in SPSS. When you close your SPSS main window, SPSS will ask you if you want to save the output file. Click ‘yes’, then save to your computer and upload with your assignment.)
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