Hw4 - EDF5402, Summer 2002 Assignment 4 Due 6-07-02 in...

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EDF5402, Summer 2002 Assignment 4 Due 6-07-02 in class Use the data in question 7 in the Review Exercises of Chapter 9 in Kirk. Use α = 0.05. For the purpose of hints in questions 9 and 10, label the dependent variable as “score”, and label the two treatment factors as “a” and “b” in your SPSS data file. 1. What are the three null hypotheses to be tested in the 2-way ANOVA analysis? 2. Use SPSS to perform 2-way ANOVA analysis. Attach the output. What are the p -values for the three hypothesis tests? State your decision for the three hypothesis tests. 3. Graph the AB interaction. Provide two graphs. For one graph, put factor A on x -axis, and put factor B on x -axis for the other graph. Are the graphs consistent with the test of the AB interaction? Why? 4. Interpret the interaction effect in the context of the data set . 5. Calculate the effect size for the three effects; ω , and ω . Show your work. Also, comment on the magnitude of each omega-squared value.
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Hw4 - EDF5402, Summer 2002 Assignment 4 Due 6-07-02 in...

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