If a Researcher Wants to Use an Interrupted Time Series

question 29

Multiple Choice

If a researcher wants to use an interrupted time series design to examine whether lowering the legal limit of blood alcohol level (BAL) for driving under the influence affects the frequency of arrests, the researcher would:

• A)compare a state with a higher BAL to one with a lower BAL.
• B)measure the number of arrests just before and immediately after a law lowering BAL.
• C)measure an extended period of time before and after a law lowering BAL.
• D)correlate the amount of alcohol consumed by an individual and the number of times they have been arrested.

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