Nursing Psychology
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PSYCH 3002 Assignment 2 Chi Square
PSYCH3002
PSYCH 3002 Assignment 2 Chi Square
Assignment 2: Chi Square
Previously in this course, you worked with parametric statistics
like t-tests, ANOVAs, and correlations. In order to use parametric procedures
such as those, the dependent variable must be measured on either an interval or
a ratio scale. Sometime, however, the variables of interest are categorical;
that is, they are not measured on an interval or a ratio scale. For example,
the categorical variables of gender, race, or political affiliation are not
measured with interval or ratio scales. For this Assignment, you will examine
the nonparametric procedure called chi square, which allows you to analyze
categorical data.
To prepare for this Assignment, imagine that you have
information about how 20 nursing students and 20 psychology students felt about
starting PSYC 3002 on Day 1 of this class. You want to know if nursing students
and psychology students felt differently about embarking on the Introduction to
Basic Statistics journey. You can find the data sets for this Assignment in the
Weekly Data Set forum found on the course navigation menu.
To complete this Assignment, submit your answers to the
following. Use SPSS to determine if academic program is related to feelings
about PSYC 3002 by computing the appropriate chi square test. Recall the four
scales of measurement you learned about in Week 1 (i.e., nominal, ordinal,
interval, ratio).
Explain what scale of measurement is used to measure academic
program in this example. How do you know?
Explain what scale of measurement is used to measure feeling
about PSYC 3002. Explain how you know. State whether this scenario requires a
goodness of fit test or a test of independence. Explain your answer.
Before computing the chi square, state the null hypothesis and
alternative hypothesis in words (not formulas).
Identify the obtained ? 2 using SPSS.
State the degrees of freedom and explain how you calculated it
by hand.
Explain whether you should retain or reject the null hypothesis
and why.
Are the results statistically significant? How do you know?
Explain what you can determine about the relationship between
academic program and feelings about PSYC 3002.
Be sure to fully explain the rationale for your answer to each
question, including evidence from the text and Learning Resources.
Provide an APA reference list. Submit three documents Your text (Word)
document with your answers and explanations to the assignment questions, your
SPSS Data file, and your SPSS Output file, your SPSS Data file , and your SPSS
Output file.
Data Set
Nursing Psychology
Nervous 8 9 Excited 12 11
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