PSYC 515
SPSS Worksheet: dependent Groups Assignment Template
This assignment is worth a total of 75 points.
· Content: point values vary but are indicated in the template and total 50 points (pts).
· Format: point values vary but are indicated in the template for 22 pts. The remaining 3 pts are for placing answers in the correctly designated spots within the template in a clear and easy to read format and uploading it in an approved format (word or PDF). Thus, the maximum is 25 points for format.
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Older patient |
Younger patient |
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9 |
14 |
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12 |
15 |
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9 |
10 |
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11 |
11 |
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14 |
15 |
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10 |
8 |
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9 |
10 |
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8 |
8 |
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12 |
14 |
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11 |
15 |
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11 |
8 |
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9 |
10 |
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5 |
9 |
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13 |
12 |
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10 |
12 |
Research Scenario #1 (Q1-6: 26 pts content / 9 pts format): Research has found that physicians often ignore complaints in older patients that they take more seriously in younger patients. In an effort to reduce this prejudice before it becomes too ingrained, a researcher designs a study to have fourth-year medical students see videos of 10 patients (who are really actors) a month apart. In one sequence of the 10 videos, an actor is made up to look about 70 and talks about being retired, and in the other sequence of the 10 videos, the same actor is depicted as his own age (30). The actor presents similar complaints in each video. Students are randomly assigned to the order of viewing these two sequence of videos a month apart. After viewing each of the videos, the students list the questions they would ask the patient, their diagnosis of the complaint(s), and their rating of concern for the health of the “patient” on a 15-point scale, with higher scores representing more concerns. The researcher is interested in comparing the level of concern given to a “young” vs. “old” patient given the same complaints. The data for these videos are shown in the table.
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1. In this scenario, what is the independent variable? How many levels does it have? What are they? 3 pts |
<answer here> |
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2. In this scenario, what is the dependent variable? What is its scale of measurement (nominal, ordinal, or scale)? 3 pts |
<answer here> |
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3. State a |
<answer here> |
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4. Compute using SPSS all the appropriate statistics to test your hypothesis. Make sure to include any tests for assumptions and output for confidence intervals and effect size. Copy / paste all relevant SPSS output in the space below. Make sure it is all legible (e.g., paste as images so you can resize them so they are all within the template and visible). 3 pts content / 3 pts format |
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<paste SPSS output here> |
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5. Do you feel this study would be better suited to be a between-subjects or within-subjects design? Why? 3 pts |
<answer here> |
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6. Create an appropriate figure for this dataset. Number it as Figure 1, create an appropriate title and Note, and make sure it is formatted using APA conventions (remember they must have axis titles!). 3 pts content / 3 pts format |
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<answer here> |
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7. Write the results using professional conventions, modeling the Sample Results section shown in Application 12.1 on p. 388 in your textbook. Make sure to include all required components (e.g., descriptive statistics or reference to a figure, statistical notation with effect size, confidence interval). **remember we use the terms “statistically significant” or “non-significant”. 5 pts content / 3 pts format |
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<answer here> |
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8. What potential problem(s) do you identify in the study design? 3 pts |
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<answer here> |
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Advertisement Types |
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Trad |
Erotic |
Celeb |
Product |
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15 |
13 |
17 |
15 |
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14 |
14 |
16 |
17 |
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12 |
12 |
18 |
15 |
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16 |
14 |
19 |
15 |
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15 |
15 |
17 |
15 |
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17 |
16 |
19 |
13 |
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14 |
14 |
18 |
14 |
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13 |
13 |
17 |
16 |
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14 |
13 |
16 |
17 |
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16 |
15 |
18 |
16 |
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12. |
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<paste SPSS output here> |
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13. Create an appropriate Figure and present it using APA conventions (e.g., Figure #, Title, Note). 3 pts content / 3 pts format |
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<answer here> |
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14. Write the results using professional conventions, modeling the Sample Results section shown in Application 11.2 on p. 360 in your textbook. Make sure to include all required components (e.g., descriptive statistics, statistical notation with effect size, confidence interval). **remember we use the terms “statistically significant” or “non-significant”. 5 pts content / 3 pts format |
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<answer here> |
Section 3: The Big Picture: Selecting analyses and interpreting results for dependent-groups designs (4 pts content / 4 pts format)
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15. Your classmate solicits participants who self-identify as having strong test anxiety and then has them watch a video on human causes of global warming before testing them on the material. They then participate in a meditation designed to relax students and have them focus on their strengths as a student. They then watch a video on additional causes of global warming and take a test on that material. She finds that the students score significantly higher on the second test of global warming and concludes that the meditation intervention significantly reduces test anxiety. Identify a flaw in this study and propose a way to address it. For full formatting points, make sure to |
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<answer here> |
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16. A social service director offers clients the option to attend a 6-week job training course or a 6-week life skills course. Of the 50 clients contacted, 34 agree to participate in the course. After matching the participating clients on depression, instead of randomly assigning them, the director assigns one of each matched pair to the course taught on the night most convenient for them. Six clients drop out of the courses over the 6 weeks (4 from job training and 2 from life skills) so that data from only 11 matched pairs could be used. At the end of the 6-week period the remaining matched clients report significantly less depression after taking the life skills course than the job skills course |
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<answer here> |
Note: Your assignment will be checked for originality via the Turnitin plagiarism tool.
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