Studies Show That Infants Consider Not Only Size as an Important

question 99

Multiple Choice

Studies show that infants consider not only size as an important cue in evaluating strangers but also

• A) facial features.
• B) gender.
• C) the amount of hair.
• D) whether or not the stranger has a very high-pitched voice.

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Definitions:

Nonexcludable

A characteristic of public goods: Once a good is produced, no one can be excluded from enjoying its benefits.

Marginal Social Benefit

The additional gain to society as a whole from consuming or producing one more unit of a good or service.

Marginal Social Cost

The additional cost imposed on society as a whole by producing one extra unit of a good or service.

Nonrival

A good or service that can be consumed by one individual without preventing the consumption of the good by another individual.