In an Attempt to Reduce the Use of Gasoline, a City

question 54

Multiple Choice

In an attempt to reduce the use of gasoline, a city imposed a $2.50 per gallon tax on gasoline in 2010. A researcher working for the city located data on annual gallons used for the five years leading up to the gas tax (to provide a baseline) and located data for the five years after the start of the gasoline tax (to show the consumption pattern after the tax) . Which of the following best describes this study design?

• A) A-B-A-B design
• B) Changing-criterion design
• C) Interrupted time-series design
• D) Regression-discontinuity design

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Definitions:

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The sequence of physical and emotional phases that occur during sexual activity, including arousal, plateau, orgasm, and resolution.

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Engorged Genitals

An increase in blood flow leading to the swelling of genital tissues, often associated with sexual arousal.

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