To Investigate Whether or Not Sending Text Messages While Driving

question 15

Multiple Choice

To investigate whether or not sending text messages while driving impacts driving ability,we had 100 participants (50 men and 50 women) drive an obstacle course under one of the following conditions: 1) no texting while driving,2) sending five text messages while driving,or 3) sending 10 text messages while driving.We measured the accuracy with which the subjects drove the obstacle course from a scale of 1 to 10 (1 = poor and 10 = excellent) .Why is a control necessary in this experiment?

• A)The control is used for the subjects who do not know how to send text messages.
• B)The control helps determine if men are better drivers than women.
• C)The control helps control for the lurking variables.

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Definitions:

Nondiscriminating Monopolist

A monopolist that charges all consumers the same price for its product or service, regardless of the market segment.

Profit-Maximizing

The process or strategy of adjusting production and pricing to achieve the highest possible profit.

Socially Optimal Price

The price of a product that results in the most efficient allocation of an economy's resources and that is equal to the marginal cost of the product.

Marginal Cost

The expenses associated with creating an extra unit of a good or service.