Question: Problem Set 2: The Two-factor ANOVA for Independent Measures Research Scenario: In response to media reports of violence on college campuses, a psychologist who works
Problem Set 2: The Two-factor ANOVA for Independent Measures
Research Scenario: In response to media reports of violence on college campuses, a psychologist who works at a local community college decides to study students' perceptions of campus safety. He hopes to use these results to help develop an on-campus violence prevention program. The administration has asked him additionally to look at whether perceptions of safety differ depending on students' year in school and gender. The psychologist administers a questionnaire with possible scores ranging from 1-70, with higher scores indicating higher perceptions of safety on campus, and lower scores indicating perceptions that the campus is less safe. Based on the data collected below, do year in school and/or gender have an effect on perceptions of campus safety?
Using this table, enter the data into a new SPSS data file and run a two-way ANOVA to test whether there is a difference in patients' depression scores among the three therapists. Create boxplot to show the difference among these scores.
Male
Freshmen
Sophomore
Junior
Senior
39
66
54
66
60
44
32
62
59
29
63
67
46
51
41
45
53
68
57
60
Female
51
46
45
57
32
32
21
30
49
53
56
52
60
47
59
61
55
42
58
61
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