# Learning Objectives

• Distinguish between nonparametric and parametric tests.
• Explain how the test statistic is computed for a chi-square test.
• Calculate the degrees of freedom for the chi-square goodness-of-fit test and locate critical values in the chi-square table.
• Compute the chi-square goodness-of-fit test and interpret the results.
• Identify the assumption and the restriction of expected frequency size for the chi-square test.
• Calculate the degrees of freedom for the chi-square test for independence and locate critical values in the chi-square table.
• Compute the chi-square test for independence and interpret the results.
• Compute effect size for the chi-square test for independence.
• Summarize the results of a chi-square test in APA format.
• Compute the chi-square goodness-of-fit test and the chi-square test for independence using SPSS.