Two-Way Factorial ANOVA & Interaction Effects – Practice Quiz

Analyze experiments crossing two factors, from treatment cells and main effects to conditional contrasts and interaction. Prerequisites: ANOVA, contrasts and variance of independent means. Calculate balanced sums of squares, degrees of freedom and F tests; interpret textual interaction plots, marginal versus simple effects, imbalance and missing combinations. Advanced cases examine scale dependence, estimability and model hierarchy.

Cover: Photo by Mikhail Nilov on Pexels.

Further reading: Source 1.