An Interaction Term in a Multiple Regression Model May Be

question 138

Multiple Choice

An interaction term in a multiple regression model may be used when

• A) the coefficient of determination is small.
• B) there is a curvilinear relationship between the dependent and independent variables.
• C) neither one of 2 independent variables contribute significantly to the regression model.
• D) the relationship between X₁ and Y changes for differing values of X₂.

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Definitions:

Erectile Disorder

A condition in which an individual struggles to achieve or keep an erection during sexual activities.

Independent Variable

In an experiment, the factor that is manipulated; the variable whose effect is being studied.

Explicit Sexual Content

material that portrays sexual acts or themes in a direct and detailed way, intended for adult audiences.

Experimental Group

The group in an experiment that receives the variable being tested, as opposed to the control group, which does not.