Infants Progress Through Stages of Cooing, Babbling, and Then Jargoning

question 121

True/False

Infants progress through stages of cooing, babbling, and then jargoning before they are able to produce words.

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Definitions:

Miles

A unit of distance measurement equal to 5,280 feet or approximately 1.609 kilometers, used primarily in the United States and the United Kingdom.

Perfect Substitutes

Goods or services that can be used in exactly the same way and are interchangeable in consumption or use.

Income Effect

The variation in a person's or an economy's earnings and its effect on the amount of a product or service that is requested.

Substitution Effect

The change in consumption patterns due to a change in the relative prices of goods.