Which of the Following Is True of Life Expectancy in the United

question 16

Multiple Choice

Which of the following is true of life expectancy in the United States?

• A) It decreased by 15 years in the beginning of the 21st century.
• B) It has remained unaffected by improvements in sanitation and nutrition.
• C) It increased by 30 years in the 20th century.
• D) It has remained unpredictable and has confused demographers.

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Definitions:

Perceived Barriers

Individual beliefs about the obstacles that inhibit the adoption of new behaviors or the pursuit of goals, often in the context of health and well-being.

Subjective Norm

An individual's perception of social pressure to perform or not perform a specific behavior.

Perceived Behavioral Control

An individual's belief in their capability to execute behaviors necessary to produce specific performance attainments.

Self-Efficacy

Someone's trust in their own capability to perform tasks that will lead to particular outcomes.