In a Laboratory,smokers Are Asked to "Drive" Using a Computerized

question 269

Multiple Choice

In a laboratory,smokers are asked to "drive" using a computerized driving simulator equipped with a stick shift and a gas pedal.The object is to maximize the distance covered by driving as fast as possible on a winding road while avoiding rear-end collisions.Some of the subjects smoke a real cigarette immediately before climbing into the driver's seat.Others smoke a fake cigarette without nicotine.You are interested in comparing how many collisions the two groups have.In this study,the dependent variable is:

• A)the use of nicotine.
• B)the use of a driving simulator.
• C)the number of collisions.
• D)the driving skills of each driver.

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Definitions:

Revenue Expenditures

Expenditures that are immediately charged against revenues in the period they are incurred, typically related to the maintenance and repair of assets.