By the Time a Child Is __________ Years Old, the Brain

question 165

Multiple Choice

By the time a child is __________ years old, the brain is approximately the size it will be when the child is an adult.

• A) eight or nine
• B) ten or eleven
• C) twelve to thirteen
• D) thirteen to fourteen

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Definitions:

Disposable Income

The economic resources households are left with for spending and saving after income tax charges.

Autonomous Consumption

The level of consumption that occurs when income levels are zero, reflecting basic consumption needs that do not depend on income.

Autonomous Consumption

Autonomous consumption is the level of consumption that occurs when income levels are zero, reflecting the basic level of consumption that is needed for survival.

Disposable Income

Post-tax disposable income that households can allocate for spending and saving.