A Father Is Helping His Daughter to Learn About Animals

question 31

Multiple Choice

A father is helping his daughter to learn about animals.He points to a robin and eagle and explains that they are birds that fly, while the ostrich and penguin are examples of birds that do not fly.He then shows her pictures of a bat and a flying squirrel and tells her that these are not birds, but that the bat can actually fly and the flying squirrel can glide through the air.The father is using _____ to help his daughter learn the concept of "bird."

• A)conceptual rules
• B)algorithms
• C)prototyping
• D)positive and negative instances

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Definitions:

Equilibrium Price

The market valuation where the supply of products equals the demand for products.

Gains From Trade

The benefits that parties obtain from engaging in voluntary trading, often leading to an increase in overall welfare and efficiencies.

Consumer Surplus

The mismatch between the aggregate amount consumers intend and can afford to pay for a product or service and the aggregate amount they really pay.

Producer Surplus

The difference between the amount a producer is willing to accept for a good versus what they actually receive in the market.