In His Studies of Visual Sensory Memory, George Sperling Found

question 69

Multiple Choice

In his studies of visual sensory memory, George Sperling found that participants could remember more items from an array if:

• A) there was a 1-minute delay between presentation of the array and recall.
• B) a tone was played at the very start of each trial to catch their attention.
• C) after the array disappeared, a tone was played to indicate which row to recall.
• D) they were instructed to recall all of the items, rather than just a specific row.

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Definitions:

Long-Run Profits

Earnings that a firm expects to generate over an extended period, taking into account all variable and fixed costs.

Excess Capacity

The situation where a firm produces less than its total output capacity, often due to lack of demand.

Monopolistically Competitive

A market structure where many firms sell products that are similar but not identical, allowing for some degree of market power and price setting.

Long-Run Equilibrium

A state in which all inputs can be adjusted by firms, market supply equals demand, and there is no incentive for economic actors to alter their behavior.