PSYC 355 SPSS Homework 5 Correlation Complete Solution
SPSS Homework 5 Instructions
Correlation
Part 1:
Green & Salkind: Lesson 31, Exercises 1–4
The following helpful tips are numbered to correspond with the exercise number to which they refer (a dash indicates that no tips are needed):
Betsy is interested in relating quality of teaching to quality of research by college professors. She has access to a sample of 50 social science professors who were teaching at the same university for a 10-year period. Over this 10-year period, the professors were evaluated on a 5-point scale on quality as instructors and on quality of their courses. Betsy has averaged these ratings to obtain an overall quality rating as an instructor (rating_1) and the overall quality rating of the courses (rating_2) for each professor. In addition, Betsy also has the number of articles that each professor published during this time period (num_pubs) and the number of times these articles were cited by other authors (cites).
1. Conduct a correlational analysis to investigate the relationship among these variables. Identify the following on the output:
a. p value for the correlation between rating_1 and rating_2.
b. Correlation between cites and num_pubs.
c. Correlation between cites and rating_1
2. What is the relationship between the number of articles published and the overall quality of the instructor?
3. Write a Results section based on your analysis of these data.
Create a scatterplot matrix to show the relationships among the four variables.
Part 2:
The steps will be the same as the ones you have been practicing in Part One of the assignment—the only difference is that you are now responsible for creating the data file as well. Remember to name and define your variables under the “Variable View,” then return to the “Data View” to enter the data.
Interview (Range 0 to 9) |
Externalizing Behavior Index (Range 0 to 25) |
3 |
7 |
2 |
9 |
4 |
6 |
9 |
22 |
7 |
20 |
6 |
12 |
4 |
10 |
8 |
9 |
3 |
5 |
4 |
7 |
2 |
5 |
1 |
3 |
6 |
16 |
8 |
19 |
7 |
21 |
7 |
22 |
1 |
4 |
2 |
7 |
3 |
7 |
3 |
3 |
5 |
13 |
8 |
19 |
7 |
16 |
4 |
12 |
3 |
9 |
6 |
18 |
5 |
14 |
3 |
9 |
The steps will be the same as the ones you have been practicing in Part 1 of the assignment—the only difference is that you are now responsible for creating the data file as well. Remember to name and define your variables under the “Variable View,” then return to the “Data View” to enter the data.
Dysfunction Score |
Number of Mistakes on Maze Task |
3 |
25 |
8 |
18 |
9 |
18 |
4 |
26 |
15 |
6 |
6 |
19 |
18 |
3 |
17 |
4 |
19 |
6 |
6 |
16 |
5 |
14 |
20 |
2 |
17 |
5 |
5 |
23 |
Part 3: Cumulative Homework
Reading Readiness Scores |
90 78 86 91 78 91 88 72 76 88 88 91 76 89 92 |
Barbie™ Group |
4 5 7 9 6 10 4 6 5 |
Toy Animal Group |
8 8 5 11 10 7 7 9
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PSYC 355 SPSS Homework 5 Correlation Complete Solution
b. Correlation between cites and num_pubs is 0.828. c. Correlation between cites and rating_1 is 0.312. 2. Therefore relationship between the number of articles published and the overall quality of the instructor is moderately strong and positive. 3. The coefficient of ...
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