2 variables is called
2-way ANOVA
Benefit of factorial ANOVA
Can see the interactions
When is there likely to be an interaction
When lines cross or aren’t parralel
How can you see if there’s a main effect on graph
Look at the averages of on the lines
Effect size name
omega squared
Disordinal / nonmonotonic interaction
noncrossover or crossover
Ordinal / monotonic
one data point is not parallel