Two Short, Fat Glasses with the Same Amount of Water

question 108

Multiple Choice

Two short, fat glasses with the same amount of water are placed in front of a group of children. The children watch as water is poured from one short, fat glass into a tall, skinny glass. The children are then asked, "Does the tall, skinny glass have the same, more, or less water than the short, fat glass?" At what stage of development would a child first be able to correctly answer that the glasses have equal amounts?

• A)sensorimotor
• B)preoperational
• C)concrete operational
• D)formal operational

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Definitions:

Economic Profits

The surplus remaining after total costs are deducted from total revenue, considering both explicit and implicit costs.

Economic Profit

The distinction in a corporation's gross income versus its overall charges, factoring in both apparent and assumed costs.

Zero Economic Profit

A situation where a company's total revenues exactly equal its total costs, implying normal profit but no economic profit above that.

Competitive Price-searcher Market

A market structure where companies have some control over the prices they charge but must also consider the prices set by their competitors.