Try the following self-assessment questions. When you have decided on your answer, mouse over the answer button to check:

1. For each of the following features, say whether it applies to a Kruskal-Wallis Anova?

- Parametric test.
- Numbers plugged into the formula for the statistic are frequencies .
- Numbers plugged into the formula for the statistic are based on ranks.
- The statistic is a ratio of between- and within-sample variances .
- The statistic has two different degrees of freedom associated with it.
- Used for assessing the differences between more than two samples.
- Used on related data.
- Uses a statistic called
*F*. - Uses a statistic called
*H*. - Reject the null hypothesis if the calculated statistic is greater than the critical value of the statistic looked up in a table.
- Reject the null hypothesis if
*P*on the SPSS printout is less than 0.05.