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

Question

Quizplus · Accepted Answer

An interaction term is appropriate when the effect of one predictor on the outcome depends on the level of another predictor. In other words, the effect of x₁ on the dependent variable may change depending on the value of x₂ and vice versa. Therefore, both choice B and C are correct.

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

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