After reading this chapter, you should be able to:

 

1. Distinguish between nonparametric and parametric tests.

 

2. Explain how the test statistic is computed for a chi-square test.

 

3. Calculate the degrees of freedom for the chi-square goodness-of-fit test and locate critical values in the chi-square table.

 

4. Compute the chi-square goodness-of-fit test and interpret the results.

 

5. Identify the assumption and the restriction of expected frequency size for the chi-square goodness-of-fit test.

 

6. Calculate the degrees of freedom for the chi-square test for independence and locate critical values in the chi-square table.

 

7. Compute the chi-square test for independence and interpret the results.

 

8. Compute effect size for the chi-square test for independence.

 

9. Summarize the results of a chi-square test in APA format.

 

10. Compute the chi-square goodness-of-fit test and the chi-square test for independence using SPSS.