In a Regression Model with Two Predictors X₁ and X₂,an

question 58

Multiple Choice

In a regression model with two predictors x₁ and x₂,an interaction term may be used when:

• A)the effect of x₁ on the dependent variable is influenced by x₂.
• B)both the variables are independent variables.
• C)both variables are influential to each other.
• D)the effect of x₂ on the dependent variable is not influenced by x₁.

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Definitions:

Recency Effect

An effect that occurs when recently encountered information primarily influences attitudes (e.g., a commercial viewed just before shopping influences a shopper’s choices).

Primacy Effect

The idea that what we learn early colors how we judge subsequent information.

Delay

The act of postponing or slowing something down, causing it to occur later than previously planned or expected.

Messages

Units of communication intended to convey information, feelings, or instructions from one entity to another.