Studies on Infants' Recognition of Their Mothers Show That

question 35

Multiple Choice

Studies on infants' recognition of their mothers show that

• A) infants recognize their mother's face for the first time when they are about 4 months old.
• B) infants can recognize their mother's face and voice before they reach the age of 1 week.
• C) it is so difficult to test infants' memory that we cannot test infants' face or voice recognition until they are about 2 months of age.
• D) infants' perceptual skills are so limited that they cannot recognize either the face or the voice of their mother until 6 months of age.

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Definitions:

Marginal Cost

The cost of producing one additional unit of a good or service, which can influence production decisions.

Product Differentiation

A strategy businesses use to make their products unique from competitors'.

Elastic

Describes a situation in economics where the demand or supply of a good is sensitive to changes in price.

Price-elasticity

A measure of the responsiveness of the quantity demanded or supplied of a good to a change in its price.