Chi-Square Tests (Schwartz, Wilson, Goff text, ch.11)

1.With what type of data will you use the Chi-Square Test?

2.What role does prior knowledge play in the Chi-Square Goodness of Fit Test?

3.What is the key comparison that forms the basis of the Chi-Square Goodness of Fit Test?

4.What would the null hypothesis for the Chi-Square Goodness of Fit Test look like?

5.What would the null hypothesis for the Chi-Square Test of Independence look like?

6.What does it mean to say that two categories are independent? Give me an example.

7.Using the Phi-Coefficient to measure effect size, what value of Phi constitutes a small effect size?A medium effect size?A large effect size?

8.If your Chi-Square Test of Independence is bigger than a 2x2 Table, what statistic should you use to measure effect size?

9.Should you use the Chi-Square Test with a small sample size?