Posted: September 3rd, 2017

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

- 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?

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

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

- Is the F significant at alpha= 0.05? Specify how you arrived at your answer.

- 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?

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

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

- 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.

- 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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