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

Multiple Choice

In an attempt to reduce the use of gasoline, a city imposed a $2.50 per gallon tax on gasoline in 2005. A researcher working for the city, located data on annual gallons used for the 5 years leading up to the gas tax to provide a baseline) and located data for the 5 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