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HomeworkCumulativeSPSSAssignmentInstructions.docx
PSYC 515
Homework: Cumulative SPSS Worksheet Instructions
Overview
This worksheet is designed to assess your ability to evaluate research designs, determine the most appropriate research design, conduct statistical tests using SPSS software, and present research conslusions (including appropriately formatted figures) using professional conventions. Such skills are fundamental to critically consuming, evaluating and producing research.
Instructions
Be sure you have reviewed this module??s assigned readings and presentations before completing this assignment.This includes using ensuring the homework is completed and submitted according to the instructions, SPSS output and images are legible and relevant, and that basic college level writing skills (e.g., grammar, sentence structure) are used in the results writeups. Answers should be placed where indicated (e.g., ??ANSWER?). Note: all questions must be attempted to be eligible for full credit.
You will use the
M7 Cumulative SPSS Data
file
(an SPSS data file) to conduct most of the tests in this assessment. It is located in the folder associated with this assignment.
· Please note that for all problems in this course, the standard cutoff (alpha) for a test of significance will be .05, and you always report the exact power unless SPSS output states
p
=.000 (you??d report
p
<.001). Remember to check your graphs! You often have to ADD the y ?? axis title.
· Submit the file as a WORD document (.doc or .docx). Make sure the filename of your submission includes your full name, course and section.
· Example: SPSS7_JohnDoe_515B01
Background information on the 

Download the


Using the dataset provided, determine two variables that would be appropriate to assess using a 
1. Decide on the two variables. List them using the names exactly as named within the SPSS file. For each, identify the variable type (independent or dependent). For the independent variable, indicate whether it is BS or WS. For the dependent variable, indicate its scale of measurement (nominal, ordinal, or scale). 
ANSWER 
2. State the null and research hypotheses based on the variables you selected, labeling one as the ??null? and one as ??research?. Explain why you used a one or twotailed hypothesis, noting the grade on that portion is solely based on the consistency of your justification with your choice of tail type. 
ANSWER 
3. Paste all relevant statistical output in the space provided below: 
ANSWER 
4. Use the degrees of freedom from your SPSS output or if necessary, handcalculate them using the formulas in your ebook. Using the Appendix in your ebook to find the critical value, and list it here (do NOT round ?? include all decimal places). Also label and state your obtained value from your SPSS output. Is the critical value SMALLER or LARGER than the obtained value from your SPSS output? Does this mean you REJECT or FAIL TO REJECT the null hypothesis? Does this mean the results are ??significant? or ??nonsignificant?? 
ANSWER 
5. Create an appropriate graph in SPSS and format it using professional conventions. Present it as Figure 1 in the space below. Make sure you include the figure label (Figure 1), and create a Figure Title ?? all of this must be in proper format (including spacing and font style). 
ANSWER 
6. Present the results using APA format. This includes a full writeup to include a complete statistical notation as shown in the weekly presentations. Make sure to describe what the conclusions mean in general terms. You must include a callout to Figure 1. Examples of APA results sections are also available in the ??Helpful Hints? document. 
ANSWER 

Using the dataset provided, select a variable that is 
7. Select an appropriate WS variable that has 2 ?? 3 levels. What is the variable name and how many levels does it have? What are the names of these levels (exactly named as within the SPSS file)? What is your dependent variable? State the null and research hypotheses based on the variables you selected, labeling one as the ??null? and one as ??research?. 
ANSWER 
8. Paste all relevant statistical output in the space provided below: 
ANSWER 
9. Use the degrees of freedom from your SPSS output or if necessary, handcalculate them using the formulas in your ebook. Using the Appendix in your ebook to find the critical value, and list it here (do NOT round ?? include all decimal places). Also label and state your obtained value from your SPSS output. Is the critical value SMALLER or LARGER than the obtained value from your SPSS output? Does this mean you REJECT or FAIL TO REJECT the null hypothesis? Does this mean the results are ??significant? or ??nonsignificant?? 
ANSWER 
10. Create an appropriate graph in SPSS and format it using professional conventions. Present it as Figure 2 in the space below. Make sure you include the figure label (Figure 2), and create a Figure Title ?? all of this must be in proper format (including spacing and font style). 
ANSWER 
11. Present the results using APA format. This includes a full writeup to include a complete statistical notation as shown in the weekly presentations. Make sure to describe what the conclusions mean in general terms. You must include a callout to Figure 2. Examples of APA results sections are also available in the ??Helpful Hints? document. 
ANSWER 
12. Discuss one concern you could imagine regarding internal validity, and one concern regarding external validity as they specifically relate to the scenario you created for this section. (HINT: You can look up the definitions of ??internal validity? and ??external validity? in your ebook glossery as a reminder ?? but then must apply those definitions to envision your own concerns related to them!) 
ANSWER 

Using the dataset provided, select two variables you would like to examine regarding a ??relationship?. Use your selections to answer the following questions. 
13. Decide on the two variables. List them using the names exactly as named within the SPSS file. Indicate the scale of measurement for each variable (nominal, ordinal, or scale). State the null and research hypotheses based on the variables you selected, labeling one as the ??null? and one as ??research?. Explain why you used a one or twotailed hypothesis, noting the grade on that portion is solely based on your justification. 
ANSWER 
14. Use the degrees of freedom from your SPSS output or if necessary, handcalculate them using the formulas in your ebook. Using the Appendix in your ebook to find the critical value, and list it here (do NOT round ?? include all decimal places). Also label and state your obtained value from your SPSS output. Is the critical value SMALLER or LARGER than the obtained value from your SPSS output? Does this mean you REJECT or FAIL TO REJECT the null hypothesis? Does this mean the results are ??significant? or ??nonsignificant?? 
ANSWER 
15. Paste all relevant statistical output in the space provided below: 
ANSWER 
16. Create an appropriate graph in SPSS and format it using professional conventions. Present it as Figure 3 in the space below. Make sure you include the figure label (Figure 3), and create a Figure Title ?? all of this must be in proper format (including spacing and font style). 
ANSWER 
17. Present the results using APA format. This includes a full writeup to include a complete statistical notation as shown in the weekly presentations. Make sure to describe what the conclusions mean in general terms. You must include a callout to Figure 3. Examples of APA results sections are also available in the ??Helpful Hints? document. 
ANSWER 
18. Describe one potentially confounding variable in this scenario. Why do you think it may confound interpretations of the data? 
ANSWER 
Note: This assignment will be checked for originality using the Turnitin plagiarism tool.
M7CumulativeSPSSData.sav
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