Three-Year-Olds Were Shown a Model of a Room with a Miniature

question 24

Multiple Choice

Three-year-olds were shown a model of a room with a miniature stuffed dog placed behind a miniature couch.By using the model to locate an actual stuffed dog behind a couch in a real room,the children demonstrated their capacity for

• A) egocentrism.
• B) symbolic thinking.
• C) conservation.
• D) concrete operational reasoning.

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Definitions:

Crosscurrent Exchange

A mechanism of exchange (often of gases or fluids) in opposite or perpendicular directions, enhancing the efficiency of transfer.

Exhalation

The process of breathing out carbon dioxide and other gases from the lungs to the atmosphere.

Diffusion

The movement of molecules or particles from an area of higher concentration to an area of lower concentration, a process that occurs until equilibrium is reached.

Respiratory Cycle

The process involving inhalation and exhalation of air through the respiratory system, facilitating gas exchange with the environment.