Four-Year-Old Dimitri Agrees That Two Rows of Nickels, Equally Spaced

question 96

Multiple Choice

Four-year-old Dimitri agrees that two rows of nickels, equally spaced, contain the same number of nickels. If the spacing increased between the nickels in one row, he thinks that row now has more nickels. Dimitri has not acquired the concept of

• A) egocentrism.
• B) conservation.
• C) centration.
• D) object permanence.

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Definitions:

Elastic

A characteristic of goods or services with demand that is significantly responsive to changes in price.

Value Of Land

The worth of a piece of land determined by its characteristics, location, and potential uses.

Equilibrium Price

The price at which the quantity of a good or service demanded by consumers equals the quantity supplied by producers, leading to a stable market condition.

Elastic

A characteristic of demand or supply indicating a high responsiveness to changes in price.