In a factorial design with two factors, if the effect of one factor appears to depend on the levels of the second factor, this is called
A) A main effect
B) An interaction effect
C) A factorial effect
D) An error

Question

Quizplus · Accepted Answer

When the effect of one factor is influenced by the levels of the second factor, it is called an interaction effect. A main effect refers to the overall effect of one factor across all levels of the other factor. Factorial effect is a more general term used to refer to all effects observed in a factorial design. An error refers to a mistake or deviation from the correct result.

In a Factorial Design with Two Factors, If the Effect