ANCOVA

Week 8

Concepts

  • the concept of a covariate
  • the ANCOVA model
  • tests of a factor effect in the presence of a covariate
  • ANCOVA model coefficients
  • adjusted means & their meaning/interpretation
  • follow-up tests
  • ANCOVA assumptions

Required Readings

Additional supporting materials

  • Chapter 9 “Designs With Covariates” by Maxwell & Delaney, see MD_ANCOVA.pdf in the Resources tab on the course OWL site.

Lecture