PSY 520: Module Nine Problem Set
Nonparametric Analysis
Use the data set in the Problem Set Data document.
1. First we are going to see if males and females differ in their choice of college major. Since both variables are measured on a categorical scale, we have to use a chi-square test to address this question. You can learn about chi-squares on pp. 735-46 of the textbook.
Using college major and sex as your variables, perform a chi-square analysis. To do this, go to Analyze—Descriptive Statistics—Crosstabs. Enter Gender in the box labeled “Row(s)” and Major in the box labeled “Column(s).” Click on Statistics, and then on Chi-Square. Click “Continue,” then hit “OK” to run the analysis.
Paste the tables labeled “Gender*Major Crosstabulation” and “Chi-Square Tests” here. (5 points)
Gender * Major Crosstabulation
|
Count
|
|
Major
|
Total
|
1
|
2
|
3
|
4
|
5
|
Gender
|
1
|
19
|
11
|
11
|
12
|
4
|
57
|
2
|
10
|
14
|
10
|
3
|
6
|
43
|
Total
|
29
|
25
|
21
|
15
|
10
|
100
|
Chi-Square Tests
|
|
Value
|
df
|
Asymp. Sig. (2-sided)
|
Pearson Chi-Square
|
7.181a
|
4
|
.127
|
Likelihood Ratio
|
7.467
|
4
|
.113
|
Linear-by-Linear Association
|
.063
|
1
|
.802
|
N of Valid Cases
|
100
|
|
|
a. 1 cells (10.0%) have expected count less than 5. The minimum expected count is 4.30.
|
The results of the chi-square analysis will be listed in the row labeled “Pearson chi-square” in the “Chi-Square Tests” table. Explain your results using APA formatting. See section 18.5.7 on p. 746 of the SPSS book for how to do this (10 points: 2 points for type of test, 1 point for df, 2 points for the correct chi-square value, 1 point for the correct p value, and 4 points for correctly interpreting the results of the test.)
2. Next, we are going to compare coffee drinkers and non-coffee drinkers on the amount of coffee they consume. The grouping variable is labeled Coffee (1 = coffee drinker, 0 = non-coffee drinker), and the outcome variable is labeled Num_cups.
a) First state the name of the parametric test that would typically be used to compare the results of two groups. (1 point)
b) Then look at the distribution of the data to determine if the assumptions of this test are met. An easy way to do this would be to go to Analyze—Descriptive Statistics—Frequencies. Enter the outcome variable (Num_cups) in the “Variable(s)” box. Then click on Charts and then on Histograms. Click Continue, then OK to run the analysis. Paste the histogram here (2 points)
c) After taking a look at the distribution of the data, state why these data violate a key assumption of parametric tests. (2 points).
d) Find the medians of the 2 groups. One way to do this is to go to Analyze-Descriptive Statistics–Explore. Enter Coffee under Factor List and Num_cups under Dependent List. Click OK to run the analysis. List the medians of the coffee and non-coffee groups here. (2 points)
e) Now conduct a Mann-Whitney U test to see if the two groups differ in the amount of coffee consumed. You can learn more about the Mann-Whitney U test on pp. 217-228 of the SPSS book.
To conduct the test, go to Analyze—Nonparametric Tests—Independent Samples. Under the Objective tab, click on “Customize Analysis.” Under the Fields tab, drag Coffee to the box labeled Groups and Num_cups to the box labeled Test Fields. Under the Settings tab, click on Customize Tests, then on Mann-Whitney U (2 samples).
Click Run to run the analysis. Paste here the table labeled “Hypothesis Test Summary.” (2 points)
f) Explain your results using APA formatting. See section 6.4.6 in the SPSS book for an example, but don’t worry about effect sizes (r).
To write up the results, you’ll need to double click on the Hypothesis Test Summary table to see the value of the Mann-Whitney U statistic and the Standardized Test Statistic (z), but you don’t need to paste these detailed results here.
If the groups differed, please don’t just state that they differed significantly; instead, explain which group drank significantly more coffee than which other groups
(6 points: 1 point for correctly stating the name of the test, 1 point for including the medians, 1 point for the correct value of the Mann-Whitney U statistic, 1 point for the correct value of the z statistic, 1 point for the correct p value, and 1 point for correctly interpreting the result).
formal performance
/in Uncategorized /by JosephYour company has just announced that a new formal performance evaluation system will be used (effective immediately). One of your supervisor’s anniversary date is coming up and the human resources (HR) manager has asked you not only to rate this supervisor but to develop a grading form to use for her and other supervisors.
Assess the leadership, interpersonal skills, and earned values on other areas of concentration you deem necessary to rate the overall performance of any supervisor you have worked with, observed, know of, worked for, been supervised by, or supervised. Include your objective reasoning for eachassigned grade with an explanation of one or more sentences.
For example, on a scale of 1–9 (superior performance), you rate the supervisor as a 4; your explanation might be as follows:
Suggestions for Responding to Peer Posts
Review your peer’s response regarding performance baselines and managing and measuring performance, and consider the following questions:
Please refer to the following multimedia course material(s):
https://class.aiuniv.edu/_layouts/MUSEViewer/MUSE.aspx?mid=MU13476
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which coefficient expression 3x54x
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int size5 forintxo x sizex int yx y size y outprint forint zx z 0 z outprint outprintln
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problem solving 4671812 2
/in Uncategorized /by JosephAssignment 2: Problem Solving
When faced with a problem, what do you do to solve it? This assignment asks you to apply a six-step to problem solving process to a specific problem scenario. You will write a paper that presents a synthesis of your ideas about solving the problem using this systematic approach. As Voltaire said, “No problem can withstand the assault of sustained thinking.”
Choose one (1) of the problem scenarios as a topic choice for your paper (Note: Your professor must approve your topic choice before you begin work on the assignment.)
Scenario 1: You have worked at your company for eleven (11) years. You have returned to college to earn a Bachelor’s degree in order to increase your chances for a promotion. You are nearly finished with your degree, when a supervisor’s position in a competing company becomes available in another state. The start date is in two (2) weeks, during your final exam period for your courses. The position offers a $15,000 per year salary increase, a car allowance, and relocation expenses. Your former supervisor works for the company and is recommending you for the position based on your outstanding job performance; if you want the job, it’s yours. All of the other supervisors at this level in the company have Master’s degrees, so you know that you would be expected to earn your Bachelor’s degree and continue on to a Master’s degree. Your present company offers tuition reimbursement, but the new company does not.
Scenario 2: Your child comes home from school with an assignment sheet for a school project. He / she is very excited about the project and begins work immediately, doing research on the Internet and gathering materials. You read over the assignment sheet and notice that your child is not including all of the required items in the project, and you have some ideas for how to improve the quality of the presentation. You recently read an article in a parenting magazine about the importance of a child developing responsibility for his/ her own learning. You recall the many ways in which your parents took over your school projects. You, on the other hand, want to encourage your child’s confidence in his / her ability to complete a project independently. The next day, you are at the grocery store when you see a parent of a student in your child’s class. That parent has spent over $30 in supplies for the science project and is taking a day off of work to put the pieces of the project together.
Scenario 3: You have two jobs—one during the week from 9:00 am to 6:00 pm, and one on Saturday from 3:00 pm to 11:00 pm. You are taking two classes—one that meets from 6:00 to 10:00 pm, and one class online. You have two kids—one who plays soccer, and one who is in band. You have two elderly parents who no longer drive. You have two siblings—one who lives two (2) miles away, and one who lives in another state. You have two (2) papers due in your classes the same week that one (1) of your children has a soccer tournament, and the other child has a band concert. You are coaching the soccer team, and you are in charge of fundraising for the band. You have a goal to complete your degree in two (2) years. Your doctor tells you that your blood pressure, your cholesterol, and your weight are too high and recommends several medications that cost you nearly $200 per month after your insurance co-pay.
Scenario 4: You are a sales representative for a company that encourages staff to log time in the field and away from the office. You are expected to begin and end your day at the office. You notice that each day when you arrive and return another co-worker is already there, and you wonder whether this person spends most of his / her time at the office. At your weekly sales meeting, you are informed of your co-workers’ outstanding sales performance. You suspect that this co-worker is spending more time flattering the boss instead of working leads in the field, and as a result is getting the best client referrals. Your own sales numbers have steadily decreased since this other sales representative was hired.
Scenario 5: Professor’s Choice – problem scenario presented by your professor.
Scenario 6: Student’s Choice – Problem scenario presented by you.
Review the six-step problem solving process outlined in the webtext, based on the article “The Problem Solving Process” located at http://www.gdrc.org/decision/problem-solve.html:
Write a four to five (4-5) page paper in which you:
1. Define the problem in the scenario that you have chosen.
2. Analyze the problem in the scenario.
3. Generate options for solving the problem in the scenario.
4. Evaluate the options for solving the problem.
5. Decide on the best option for solving the problem.
6. Explain how you will implement the decision made and reflect on whether this option was the most effective.
The paper should follow guidelines for clear and organized writing:
Your assignment must follow these formatting requirements:
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itb 405 w11
/in Uncategorized /by JosephQuestion 1=
“Looking Back” Please respond to the following:
Question 2=
“Looking Ahead” Please respond to the following:
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describe hardware you will purchase or build inclusive computers memory storage video cards
/in Uncategorized /by JosephDo you need a similar assignment done for you from scratch? We have qualified writers to help you. We assure you an A+ quality paper that is free from plagiarism. Order now for an Amazing Discount!
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global population 0
/in Uncategorized /by JosephAnalyze the data from a retailing perspective, using each country’s population data to justify your assertions. For example, how would a retailer react to data that suggests a very young or a very old population? How would literacy rate affect marketing strategies? Should the retailers product mix vary by country, and if so, why? How does the size of a country’s population affect decisions? Make sense of the data looking for trends and how these trends would help a retailer become an effective global competitor.
No mathematical calculations are necessary, but cite percentages from the table to support your position and analysis.
Cite at least three credible sources other than the textbook.
3 single spaced pages
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i need help my statistics homework
/in Uncategorized /by JosephPSY 520: Module Nine Problem Set
Nonparametric Analysis
Use the data set in the Problem Set Data document.
1. First we are going to see if males and females differ in their choice of college major. Since both variables are measured on a categorical scale, we have to use a chi-square test to address this question. You can learn about chi-squares on pp. 735-46 of the textbook.
Using college major and sex as your variables, perform a chi-square analysis. To do this, go to Analyze—Descriptive Statistics—Crosstabs. Enter Gender in the box labeled “Row(s)” and Major in the box labeled “Column(s).” Click on Statistics, and then on Chi-Square. Click “Continue,” then hit “OK” to run the analysis.
Paste the tables labeled “Gender*Major Crosstabulation” and “Chi-Square Tests” here. (5 points)
Gender * Major Crosstabulation
Count
Major
Total
1
2
3
4
5
Gender
1
19
11
11
12
4
57
2
10
14
10
3
6
43
Total
29
25
21
15
10
100
Chi-Square Tests
Value
df
Asymp. Sig. (2-sided)
Pearson Chi-Square
7.181a
4
.127
Likelihood Ratio
7.467
4
.113
Linear-by-Linear Association
.063
1
.802
N of Valid Cases
100
a. 1 cells (10.0%) have expected count less than 5. The minimum expected count is 4.30.
The results of the chi-square analysis will be listed in the row labeled “Pearson chi-square” in the “Chi-Square Tests” table. Explain your results using APA formatting. See section 18.5.7 on p. 746 of the SPSS book for how to do this (10 points: 2 points for type of test, 1 point for df, 2 points for the correct chi-square value, 1 point for the correct p value, and 4 points for correctly interpreting the results of the test.)
2. Next, we are going to compare coffee drinkers and non-coffee drinkers on the amount of coffee they consume. The grouping variable is labeled Coffee (1 = coffee drinker, 0 = non-coffee drinker), and the outcome variable is labeled Num_cups.
a) First state the name of the parametric test that would typically be used to compare the results of two groups. (1 point)
b) Then look at the distribution of the data to determine if the assumptions of this test are met. An easy way to do this would be to go to Analyze—Descriptive Statistics—Frequencies. Enter the outcome variable (Num_cups) in the “Variable(s)” box. Then click on Charts and then on Histograms. Click Continue, then OK to run the analysis. Paste the histogram here (2 points)
c) After taking a look at the distribution of the data, state why these data violate a key assumption of parametric tests. (2 points).
d) Find the medians of the 2 groups. One way to do this is to go to Analyze-Descriptive Statistics–Explore. Enter Coffee under Factor List and Num_cups under Dependent List. Click OK to run the analysis. List the medians of the coffee and non-coffee groups here. (2 points)
e) Now conduct a Mann-Whitney U test to see if the two groups differ in the amount of coffee consumed. You can learn more about the Mann-Whitney U test on pp. 217-228 of the SPSS book.
To conduct the test, go to Analyze—Nonparametric Tests—Independent Samples. Under the Objective tab, click on “Customize Analysis.” Under the Fields tab, drag Coffee to the box labeled Groups and Num_cups to the box labeled Test Fields. Under the Settings tab, click on Customize Tests, then on Mann-Whitney U (2 samples).
Click Run to run the analysis. Paste here the table labeled “Hypothesis Test Summary.” (2 points)
f) Explain your results using APA formatting. See section 6.4.6 in the SPSS book for an example, but don’t worry about effect sizes (r).
To write up the results, you’ll need to double click on the Hypothesis Test Summary table to see the value of the Mann-Whitney U statistic and the Standardized Test Statistic (z), but you don’t need to paste these detailed results here.
If the groups differed, please don’t just state that they differed significantly; instead, explain which group drank significantly more coffee than which other groups
(6 points: 1 point for correctly stating the name of the test, 1 point for including the medians, 1 point for the correct value of the Mann-Whitney U statistic, 1 point for the correct value of the z statistic, 1 point for the correct p value, and 1 point for correctly interpreting the result).
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assignment 2 eating disorders 17393885 2
/in Uncategorized /by JosephBiological causal factors of anorexia nervosa include genetic predisposition, serotonin regulation, and physiologic weight set points. Given the prevalence of this disorder, it seems unlikely that biological causes alone could account for it.
Research eating disorders using your textbook and the Argosy University online library resources. Based on your research, respond to the following:
Write your initial response in 3–4 paragraphs. If you refer to research information, cite sources applying APA standards.
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eng revisingblockletterforpositiveempha
/in Uncategorized /by JosephEnglish 1131
Revising a Letter to Improve Positive Emphasis
· Exercise 7.13 (pg. 110) requires you to write a full block format letter, just as you did in the “You Attitude” unit.
· Your assignment is to create an original header and address, but use—and revise—the body text found in the book.
· Attach your finished letter to the Correct Drop Box.
· Use .rtf, .doc, or .docx format ONLY. No credit will be given for assignments in the wrong format.
Note: the Text asks you to revise the MEMO. You will be doing this as a LETTER instead. As you did for Exercise 6.11, follow the Block Format Letter Template.
Below are some tips for each paragraph of the Exercise 7.13 assignment:
I will grade you on FORMATTING and the following elements of CONTENT:
· Precise Words and Details
· Active Voice
· Language and Grammar
· YOU Attitude
· Positive Emphasis and Word Choice
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