What Is the Relationship Between Main Effects and Interactions

question 12

Multiple Choice

What is the relationship between main effects and interactions?

• A) At least one of the factors involved in the interaction must have a main effect.
• B) None of the factors in the interaction can have a main effect.
• C) All of the factors involved in the interaction must have main effects.
• D) The existence of an interaction is independent of the main effects.

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Definitions:

Household Income

The combined gross income of all members of a household, typically measured on an annual basis.

Food Expenditures

The amount of money spent on food by individuals, households, or countries.

Nation

A large group of people united by common descent, history, culture, or language, inhabiting a particular country or territory.

Total Employment

The total number of people employed in an economy at a given time, including both full-time and part-time workers.