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

question 121

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 cigarette without nicotine is a:

• A) dependent variable.
• B) placebo
• C) double-blind procedure.
• D) hypothesis.

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Definitions:

Laxatives

Substances taken to stimulate bowel movements or ease constipation.

Enemas

A medical procedure involving the introduction of liquid into the rectum and lower bowel to relieve constipation or for diagnostic purposes.

Protective Headgear

Equipment worn on the head to minimize the risk of injury, particularly in sports or hazardous work environments.

Hard Hat

Protective headgear worn in construction and industrial settings to safeguard against injuries.