What Is the Definition of Extraneous Variable

question 78

Multiple Choice

What is the definition of extraneous variable?

• A) A variable that competes with the independent variable in explaining the outcome of a study:
• B) A variable that varies in degree or amount
• C) A variable that varies in type of kind
• D) A variable that is manipulated by the researcher

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Definitions:

Private Market

A sector of the economy where transactions are made between private individuals or corporations without significant government intervention.

Common Resources

Refers to goods that are non-excludable and rival in consumption, such as fish stocks in the ocean or public parks, where usage by one person reduces availability for others.

Marginal Social Cost

The cost to society of producing one additional unit of a good or service.

Private Supply

The provision of goods or services by businesses or individuals rather than by the government.