In a first-order model with two predictors x₁and x₂,an interaction term may be used when: A) the effect of x₁ on the dependent variable is influenced by x_2. B) the effect of x₂ on the dependent variable is influenced by x_1. C) the relationship between the dependent variable and the independent variables is linear. D) Both A and B are correct.

Question

Quizplus · Accepted Answer

An interaction term is used when the effect of one predictor on the dependent variable is influenced by the other predictor. This is captured by the interaction term between the two predictors. Therefore, both choices A and B are correct. Choice C is incorrect as the use of an interaction term is not related to the linearity of the relationship between the dependent variable and independent variables.

In a First-Order Model with Two Predictors X1 and X2,an

In a First-Order Model with Two Predictors X₁and X₂,an