What is a two-way ANOVA? What does it mean to say “between subjects” ANOVA, “within subjects” ANOVA, and “mixed-design” ANOVA?
Be able to differentiate using a two-way or three-way ANOVA from a oneway ANOVA. Be able to differentiate between and within subjects for any factor. Be able to give/recognize examples of all of these combinations.
When and why do we use a two-way ANOVA?
What is the null hypothesis in a two-way ANOVA?
What are main effects? What means do we use to describe the main effect?
What is an interaction? What means do we use to describe the interaction?
How do we know whether have significant main effects and/or interaction? Why do we have to analyze each one (main effects and interaction) separately?
Be able to graph an interaction and to read/interpret a graph of an interaction.
How do we interpret the results of a factorial experiment?
Be able to read an ANOVA table and understand/interpret the results.
Define/briefly describe ANCOVA, MANOVA, and MANCOVA.
Be able to perform and interpret any SPSS procedures that we do for this chapter.