Let's say we're creating an interaction effect between sex and years of education. If sex is coded Male=0, Female=1, what is the value of the interaction effect for a man with 16 years of education?
A) 0
B) 16
C) 15
D) 4

Question

Quizplus · Accepted Answer

The interaction effect is calculated by multiplying the values of the two interacting variables. For a man (sex coded as 0), regardless of the years of education, the interaction effect will always be 0 because 0 (for male) multiplied by any value (years of education) equals 0.

Let's Say We're Creating an Interaction Effect Between Sex and Years