An Interaction Term in a Multiple Regression Model May Be

question 209

Multiple Choice

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

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

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Definitions:

Statistical Significance

Indicates the likelihood that an observed effect or relationship exists because of chance within a predefined level of confidence, typically through a p-value.

Double-Blind Techniques

Research methods used to eliminate bias, in which neither the participants nor the experimenters know who is receiving a particular treatment.

Mastery-Oriented

describes an approach or attitude towards learning and achievement that focuses on gaining competence and understanding material, rather than comparison to others.

Intellectual Quality

The level of cognitive capabilities, including creativity, analytical skills, and critical thinking.