An interaction between factors A and B in a factorial analysis occurs when the effect of factor A is different for various levels of factor B.

Question

Quizplus · Accepted Answer

This is the definition of an interaction in a factorial analysis. Factor A has a different effect depending on the level of factor B. This statement is true. An interaction effect occurs when the effect of one factor on the response variable depends on the level of another factor. In other words, the effect of factor A on the response variable is different at different levels of factor B.

An Interaction Between Factors a and B in a Factorial