In Order to Determine Brain Efficiency,reaction Times Have Been Measured

question 103

Multiple Choice

In order to determine brain efficiency,reaction times have been measured by which of the following techniques?

• A) how long it takes people to press a key to make a choice regarding which line segment is longer
• B) the amount of time between blinks of the eye when puffs of air make contact with the eye
• C) the amount of parasympathetic nervous system activity shown following exposure to a surprise
• D) how quickly a person can react to the presence of smoke in a room

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Definitions:

Identical Products

Goods that are exactly the same in every feature and aspect, making them perfect substitutes for one another.

Economic Profits

Total revenues minus total costs, where total costs include both explicit and implicit costs.

Competitive Market

A market structure characterized by a large number of buyers and sellers, free entry and exit, and products that are similar enough to be interchangeable.

Long Run

A period of time in economics during which all inputs and conditions can be varied, allowing for full adjustment to changes.