PSYC 515 SPSS5_RichardBouldin_515B02
SPSS WORKSHEET INSTRUCTIONS Answered 2023.
HOMEWORK: CHI-SQUARE SPSS ASSIGNMENT INSTRUCTIONS
OVERVIEW
This worksheet is designed to assess your ability to perform, interpret, report, and graphically present non-parametric tests using SPSS. Non-parametric...
PSYC 515
PSYC 515 SPSS5_RichardBouldin_515B02
SPSS WORKSHEET INSTRUCTIONS Answered 2023.
HOMEWORK: CHI-SQUARE SPSS ASSIGNMENT INSTRUCTIONS
OVERVIEW
This worksheet is designed to assess your ability to perform, interpret, report, and graphically present non-
parametric tests using SPSS. Non-parametric tests are used for nominal data and/or when data do not meet the
assumptions required of a parametric test. Knowledge of these tests provide fundamental skills to critically
evaluating and producing research in one’s field.
INSTRUCTIONS
Be sure you have reviewed this module’s assigned readings and presentations before completing this
assignment. This assignment is worth 50 points. Each question is worth 3 content points except where otherwise
indicated (results write-ups are 4 pts each- 45 content points total). Five (5) points are assigned to general
formatting. 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) are used in the write-ups. Answers should be placed where indicated (e.g., “ANSWER”). Note: all
questions must be attempted to be eligible for full credit of “format” points.
Please note that for all problems in this course, the standard cut-off (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.
o Example: SPSS5_JohnDoe_515B01
Scenario 1
In the recent COVID-19 pandemic, a local precinct observed that of the 75 people who voted, 25 identified as
republican, 30 were democrat, and 20 were “other”. Is this similar to pre-pandemic voting based on political
party affiliations? At that same precinct, pre-pandemic voting based on political party affiliation was: 35%
republican, 44% democrats, and 21% “other”. Enter in the 75 data points and expected values into SPSS to
conduct the appropriate statistical test.
1. Name the the variable of interest in the scenario. How many levels does it have, and what are they?
ANSWER
The variable of interest is political party affiliations. It has two levels: pre-pandemic and post-pandemic.
They represent the political party affiliations before and after the pandemic respectively.
2. Calculate the expected frequencies for each of the levels of your variable. Clearly label each group
and show all work involving your calculations.
ANSWER
Frequencies Republican Democrat Other
Observed 25 30 20
Expected 35%*75= 26.25 44%*75=33 21%*75=15.75
3. Paste all relevant statistical output in the space provided below:
Page 1 of 9
, PSYC 515
ANSWER
Page 2 of 9
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