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:

Economic Profit

The difference between a firm's total revenues and its total costs, including both explicit and implicit costs, representing the excess over the firm's opportunity costs.

Purely Competitive Seller

A market participant who has no control over the price of the product it sells because the market sets the price through supply and demand.

Total Cost

The sum of fixed and variable costs used in producing goods or services.

Product Price

The amount of money charged for a good or service, determined by various factors including production costs, market demand, and competition.