Suppose an Infant Has Learned to Wave His or Her

question 149

Multiple Choice

Suppose an infant has learned to wave his or her arm to activate a video display.A few weeks later the infant does not respond an arm wave when exposed to the display until the display is briefly illuminated.What would such an observation imply with respect to the infant's learning and memory processes?

• A)The infant had not really learned the arm-wave response earlier.
• B)The infant had learned the arm-wave response, but no permanent memory of the association of the wave and the illumination of the display was stored at the time of learning.
• C)The infant had learned the arm-wave response, had stored it in memory, but had difficulty retrieving it when required.
• D)The infants must relearn operant responses such as the arm-wave response, each time they are exposed to a stimulus if the time since original learning is greater than three days.

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Definitions:

Income Effect

Change in consumption of a good resulting from an increase in purchasing power, with relative prices held constant.

Substitution Effect

Change in consumption of a good associated with a change in its price, with the level of utility held constant.

Perfectly Competitive

A market structure characterized by a large number of small sellers and buyers, homogeneous products, and freedom of entry and exit.

Profit Maximizing

A process or strategy used by businesses to determine the best output and pricing levels in order to achieve the highest profit.