What Is the Main Difference Between a One-Way and a Two-Way

Multiple Choice

What is the main difference between a one-way and a two-way analysis of variance?

A) a one-way analysis of variance is used when you have one independent variable and a two-way analysis of variance is used when you have two independent variables
B) one-way is used when you have matched groups and two-way is used when you have independent groups
C) one uses a one-way when working with an odd number of independent variables and a two-way when working with an even number
D) in a two-way, you compute the F ratio using two different methods, and take the F that is larger