A Research Team Found That Men Who Did Not Exercise

question 38

Multiple Choice

A research team found that men who did not exercise had a higher rate of heart disease.Which of the following explanations best illustrates the third-variable problem?

• A)Heart disease might make it more difficult for men to exercise.
• B)The relationship between exercise and heart disease might not be causal.
• C)Including men who smoke in the study might erase the relationship between exercise and heart disease.
• D)Smoking might cause both heart disease and reluctance to exercise.

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Definitions:

Harvesting

The process of gathering ripe crops from the fields, or in a broader business context, the act of capturing value from a business initiative or venture once it has matured.

Real GDP

The measure of the value of economic output adjusted for price changes (inflation or deflation), providing a more accurate reflection of an economy's size and growth.

Energy Consumption

The amount of energy used by devices, systems, or processes, typically measured over a specific time frame.

Energy Information Administration

A U.S. Government agency responsible for collecting, analyzing, and distributing energy information to promote sound policymaking, efficient markets, and public understanding of energy and its interaction with the economy and the environment.