Question: Part One: Problem Set 1: The Mann-Whitney U test
File: Open "Module 8 Exercise File 1" found in Blackboard Course content (Course Guides and Assignment Instructions-Assignment Instructions-SPSS Homework-SPSS Homework 8 Files).
Research Scenario: A university assessment department collects data to determine whether university rankings differ based on their regional location. Some rankings are missing because the universities ranked at that level were in different regions than those of interest to the department. Based on eight universities in each of two different regions, is there a difference between university rankings based on their regional locations? Perform a Mann-Whitney U test to determine the answer.
1. Paste SPSS output.
2. What is the mean rank for east coast universities?
3. Create a boxplot using the data.
4. Write a current APA-style Results section based on your analysis. All homework "Results sections" should follow the example given in the SPSS tutorials and the Course Content document "Writing Results of Statistical Tests in APA Format." Remember to include a decision about the null hypothesis.
Problem Set 2: Spearman's Rho
Data File: Open "Module 8 Exercise File 2" found in Blackboard Course content (Course Guides and Assignment Instructions-Assignment Instructions-SPSS Homework-SPSS Homework 8 Files).
Research Scenario: An educational administrator wants to examine the relationship between class rankings in math and chemistry for students in a 10th grade class consisting of 10 students. The ranks are provided in the exercise file. Perform a Spearman's rho analysis to determine whether rankings in math and chemistry are correlated in this sample.
a) Paste SPSS output.
b) Create a simple scatterplot to demonstrate the relationship in this data set.
c) Write an APA-style Results section based on your analyses. All homework "Results sections" should follow the example given in the SPSS tutorials and the Course Content document "Writing Results of Statistical Tests in APA Format" (note: you do not have to refer to a figure). Remember to include a decision about the null hypothesis.
Part Two: Problem Set 1: Spearman's rho
Research Scenario: A consumer psychologist is asked to determine the relationship between Consumer Reports rankings of truck safety and consumer satisfaction for 15 different brands of trucks. The psychologist transformed satisfaction ratings to ranks in order to be able to compare two ranked variables. Some ranks are missing because the trucks at that rank were not included in the study. Is there a relationship between CR truck safety and consumer satisfaction rankings? Perform a Spearman's rho correlation analysis, being sure to label the variables as "Ordinal" in "Variable View" when you set up your file.
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Truck Safety
Rankings
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Consumer Satisfaction Ratings (Ranked)
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1
2
5
6
7
8
10
11
12
13
15
17
18
19
20
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2
1
6
5
8
3
7
4
10
9
11
12
14
13
15
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a. Paste SPSS output.
b. Create a scatterplot depicting the results.
c. Write an APA-style Results section describing the outcome. All homework "Results sections" must follow the example given in the Course Content document "Writing Results of Statistical Tests in Current APA Format."
Part 3: Cumulative Homework
Problem Set 1: Choose the correct method from tests learned in previous modules.
Research Scenario: A social psychologist is studying how people consume news in her area. In particular, she is interested in news consumption among Americans with different political ideologies. She surveys 90 adults and asks about their political ideology (consistently conservative (n = 30), consistently liberal (n = 30), or mixed (n = 30)) and their main source of news. (For the purposes of this exercise, only two are included here: CNN and Fox News). The data are presented in the table below (note: data are based on research conducted by the Pew Research Center). Are the proportions of news sources independent of political ideology? Choose the correct test to analyze this question, set up the SPSS file, and run the analysis. Follow the directions under the table below.
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Consistently Conservative
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Mixed
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Consistently
Liberal
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CNN
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5
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18
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23
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Fox News
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25
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12
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7
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a. Paste appropriate SPSS output.
b. Paste appropriate SPSS graph.
c. Write an APA-style Results section based on your analyses. All homework "Results sections" should follow the example given in the SPSS tutorials and the Course Content document "Writing Results of Statistical Tests in APA Format" (note: you do not have to refer to a figure). Remember to include a decision about the null hypothesis.
LAB PROJECT PHASE 4 -RESULTS SECTION INSTRUCTIONS
Now that you have analyzed your data and received feedback, it is time to write a current APA-style Results section describing the outcome of your study. This Results section will contain more information than most sections you have been writing in the course. Here are the required elements (also covered in the "Lab Project Overview and Instructions" document):
• Were the results significant or not? Include a statistical statement in current APA format.
• Do these results lead you to accept or reject the null hypothesis?
• What are the strengths and weaknesses of the statistical test that was used?
• What are the characteristics of the sample or the data collection method that should be taken into consideration when interpreting these results that you would mention briefly to the reader?
Remember that further interpretation should be saved for the discussion in Discussion Board Forum 2 (Lab Project Phase 5).
Refer to "Lab Project Overview and Instructions"in addition to this document when completing this phase.
Information related to above question is enclosed below:
Attachment:- SPSS_Homework_8_Files.zip