If You Wanted to Use an Interrupted Time Series Design

question 27

Multiple Choice

If you wanted to use an interrupted time series design to examine if lowering the legal limit of blood alcohol level (BAL) for driving under the influence affected the frequency of arrests,you 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 the number of arrests regularly for 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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Definitions:

Cost Method

An accounting method used to record investments, where the investment is recorded at its acquisition cost without adjusting for changes in market value.

Investment Account

An Investment Account is a financial account held by an investor with a brokerage firm, bank, or custodian that holds securities and other investments.

Net Income

The total profit of a company after all expenses and taxes have been deducted from revenue.

Dividends

Payments made by a corporation to its shareholder members, typically in the form of cash or additional shares.