-Examine the Dependency Ratio Trends for the Regions in This

question 4

Multiple Choice

-Examine the dependency ratio trends for the regions in this figure.The dependency ratio for high-income countries has risen because

• A)more people work to keep per capita incomes high.
• B)as per capita income rises,family size increases.
• C)as per capita income rises,people marry at a younger age.
• D)life-spans are longer following a demographic window.

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Definitions:

Primary Circular Reactions

The repetition of actions that first occurred by chance and that focus on the infant’s own body.

Rovee-Collier

Carolyn Rovee-Collier was a psychologist known for her research on infant memory, demonstrating that even young infants can remember information over time.

Memory

The cognitive process of encoding, storing, and retrieving information, which is vital for learning and the formation of personal identity.

Typical 3-Month-Old

Refers to the common developmental milestones of a 3-month-old infant, such as smiling, cooing, and beginning to reach for objects.