Discuss issue of statistical power in non-parametric tests

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Reference no: EM13779034

Question: You will submit one Word document for this assignment, In the first part, you will provide short answers to the following questions.

Begin by downloading the following SPSS datasets:

. Activity 6a.sav (found on the "additional resources" page)

. Activity 6b.sav (file you created in Week 8)

. Activity 6c.sav (found on the "additional resources" page)

Part A. Questions about non-parametric procedures

What are the most common reasons you would select a non-parametric test over the parametric alternative?

Discuss the issue of statistical power in non-parametric tests (as compared to their parametric counterparts). Which type tends to be more powerful? Why?

For each of the following parametric tests, identify the appropriate non-parametric counterpart:

Dependent t test

Independent samples t test

Repeated measures ANOVA (one-variable)

One-way ANOVA (independent)

Pearson Correlation

Part B. SPSS Assignment

In this part of the assignment, you will perform the non-parametric version of the tests you used previously. In each case, assume that you opted to use the non-parametric equivalent rather than the parametric test. Using the data files from earlier activities, complete the following tests and paste your results into the assignment Word document:

Activity 6A: non-parametric version of the dependent t test

Activity 6B: non-parametric version of the independent t test

Activity 6C: non-parametric version of the single factor ANOVA

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Reference no: EM13779034

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