Question description

Use MS Word to complete “Questions to be Graded: Exercise 33”
in Statistics for Nursing Research: See attachment bellow
for lecture .Submit your work in SPSS by copying the output and
pasting into the Word document. In addition to the SPSS output,
please include explanations of the results where appropriate.

1. Do the data meet criteria for homogeneity of variance?
Provide a rationale for your answer.

2. If calculating by hand, draw the frequency distribution of
the dependent variable, hours worked at a job. What is the shape of
the distribution? If using SPSS, what is the result of the
Shapiro-Wilk test of normality for the dependent variable?

3. What are the means for three groups ’ hours worked on a
job?

4. What are the F value and the group and error df for this
set of data?

5. Is the F signiﬁcant at α = 0.05? Specify how you arrived
at your answer.

6. If using SPSS, what is the exact likelihood of obtaining
an F value at least as extreme as or as close to the one that was
actually observed, assuming that the null hypothesis is true?

7. Which group worked the most weekly job hours
post-treatment? Provide a rationale for your answer.

8. Write your interpretation of the results as you would in
an APA-formatted journal.

9. Is there a difference in your ﬁnal interpretation when
comparing the results of the LSD post hoc test versus Tukey HSD
test? Provide a rationale for your answer.

10. If the researcher decided to combine the two Treatment as
Usual groups to represent an overall “Control” group, then there
would be two groups to compare: Supported Employment versus
Control. What would be the appropriate statistic to address the
difference in hours worked between the two groups? Provide a
rationale for your answer.

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