Which of the Following Data Collection Methods Is Not Observational

question 9

Multiple Choice

Which of the following data collection methods is not observational?

• A)A personal interview.
• B)A telephone interview.
• C)A self-administered questionnaire.
• D)An experiment.

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Definitions:

Minimum Wage

The lowest legal wage that can be paid to workers, determined by government regulation.

Market Equilibrium Wage

The wage rate at which the quantity of labor supplied equals the quantity of labor demanded in a given labor market.

Widget Industry

A fictional or generic term often used to represent any sector of manufacturing, without specifying a particular type of product.

Nonunionized Labor Market

A labor market that is composed of workers and employers where no labor unions are present to represent the workers' interests.