PSYC 355 SPSS Homework 5 Instructions Correlation

A completed SPSS-based homework on correlation analysis, including step-by-step calculations and interpretations.

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PSYC 355
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PSYC 355

SPSS HOMEWORK 5 INSTRUCTIONS

CORRELATION

Part 1:

Green & Salkind: Lesson 31, Exercises 14

The following helpful tips are numbered to correspond with the exercise number to which they
refer (a dash indicates that no tips are needed):

1.
----------(2 pts for output and 2 pts each for ac)
Descriptive Statistics

Mean
Std. Deviation N
Overall quality as an
instructor

4.1670
.59731 50
Overall course quality
3.9310 .64664 50
Number of publications
8.40 11.348 50
Number of times cited by
other authors

49.52
57.272 50
Correlations

Overall quality
as an instructor

Overall course
quality

Number of
publications

Number of times
cited by other
authors

Overall quality as an
instructor

Pearson Correlation
1 .638** .232 .312*
Sig. (2-tailed)
.000 .105 .028
N
50 50 50 50
Overall course quality

Pearson Correlation
.638** 1 .347* .372**
Sig. (2-tailed)
.000 .014 .008
N
50 50 50 50
Number of publications

Pearson Correlation
.232 .347* 1 .828**
Sig. (2-tailed)
.105 .014 .000
N
50 50 50 50
Number of times cited by
other authors

Pearson Correlation
.312* .372** .828** 1
Sig. (2-tailed)
.028 .008 .000
N
50 50 50 50
PSYC 355
Page 2 of 12

**. Correlation is significant at the 0.01 level (2-tailed).

*. Correlation is significant at the 0.05 level (2-tailed).

2.
Answer this question in sentence form. Include the correlation (r) and degrees of
freedom, the p value,and whether these values indicate a significant correlation between
the variables or not. (2 pts)

r(48)= .638, p= 0.000001 (or p<0.1) df -2

This is a significant positive linear correlation between the overall course quality
and the number of publications. With a correlation significant at the 0.01 2tail, and
a significant at the 0.05 level (2-tail)

3.
All homework “Results sections” must follow the example given in the Course Content
document “Writing Results of Statistical Tests in Current APA Format” (Note: you do
not have to refer to a figure). (2 pts)Using a correlation rating between the overall
course quality, the numberof publications, and the times the material was cited.
This is a significant positive linear correlation between the overall course quality
and the number of publications. With a correlation significant at the 0.01 2tail, and
a significant at the 0.05 level (2-tail) with an r(48) =.638, p=0.000001 (or p<.01)
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Document Details

University
American Public University
Subject
Psychology