title: Points of significance: two-factor designs.
authors.forename: Martin
authors.initials: M
authors.lastname: Krzywinski
authors.forename: Naomi
authors.initials: N
authors.lastname: Altman
mesh_terms: D000465:Algorithms; D000704:Analysis of Variance; D003627:Data Interpretation, Statistical; D006801:Humans; D015233:Models, Statistical