Which of the Following Statements About Research on Infants' and Adults

question 141

Multiple Choice

Which of the following statements about research on infants' and adults' ability to differentiate between pairs of human faces and between pairs of monkey faces is true?

• A)By the age of 6 months, infants can successfully differentiate between pairs of monkey faces and between pairs of human faces, and this ability remains constant throughout life.
• B)At 6 months of age, infants can successfully differentiate between pairs of human faces but not between pairs of monkey faces, and this pattern remains throughout adulthood.
• C)At 6 months of age, infants can successfully differentiate between pairs of human faces and between pairs of monkey faces, but older infants and adults have lost the ability to differentiate between monkey faces.
• D)At 6 months of age, infants are unable to
• differentiate between pairs of human faces and between pairs of monkey faces, but both these abilities develop by the age of 9 months.

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Definitions:

Marginal Cost

The financial outlay required to produce an additional product unit.

Socially Optimal

The socially optimal point is where the societal benefits of consuming a good or service equal the societal costs of producing it, leading to an efficient allocation of resources.

Marginal Benefit

The increase in utility or enjoyment an individual gets by consuming an additional unit of a good or service.

Marginal Cost

The extra expense associated with creating an additional unit of a product or service.