# Test Yourself

Take this quiz and see how you do. Select the correct answers by using the drop down menus. Once you are done, click submit to see your score! The ones that you get wrong will have a check!

1. Which of the following experiments has more within-group variability?
2. The bigger the _______, the more likely that the treatment had a statistically significant effect.
3. _______ is sometimes called error variance.
4. In which experiment, are the results most likely to be statistically significant?
5. Between-groups variance is a pure measure of treatment effects.
6. Within-groups variance is a measure of random error that is uncontaminated by treatment effects.
7. If the treatment has no effect, treatment variance will be zero.
8. If you perform 15 t tests at the .05 level, your chances of making at least one Type 1 error would be closest to
9. In an ANOVA, you subtract within-groups variance from between-groups variance.
10. If the numerator of your F test is 4, you have four groups.
11. If F (4, 12) = 16.00, p < .05 for a study that had one treatment variable, the results were based on scores from
12. A statistically significant F in a multiple group ANOVA tells you neither that the effect is large nor which groups differ from each other.
13. For which experiment can you conduct a post hoc trend analysis?

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