9.1 Learning Objectives

After completing this lab, you should be able to do the following using R:

  • Conduct univariate ANOVA omnibus tests.
  • Perform pairwise comparisons with corrections for familywise error.
  • Specify and test planned contrasts.

Additionally, you should be able to:

  • Report the results of ANOVAs with pairwise comparisons or planned contrasts in APA style.
  • Interpret the results of the aformentioned tests.