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

question 66

Multiple Choice

In a laboratory, smokers are asked to drive using a computerized driving simulator and cover the maximum distance possible, while avoiding rear-end collisions. Some volunteers are given a real cigarette to smoke immediately before the test. Others smoke a fake cigarette without nicotine. The number of collisions the two groups make is to be compared. In this study, the independent variable is:

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

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Definitions:

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A progressive neurodegenerative disease characterized by memory loss, language deterioration, and impaired ability to mentally process information.

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The cells in the brain, including neurons and glial cells, that process and transmit information through electrical and chemical signals.

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