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

question 59

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 participants 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 independent variable is the __________.

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

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