A Research Study Is Determining Whether Providing Discount Codes for Lyft

A research study is determining whether providing discount codes for Lyft and Uber on the weekends has an effect on the number of DUIs given to people between the ages of 25 and 35. The intervention lasted for 12 months, and researchers collected data on a weekly basis, even 3 months after the intervention ended. This ITSD:

A) requires no changes.
B) is missing data prior to the intervention.
C) could be considered an ARIMA model.
D) has accounted for maturational change.
E) has accounted for seasonal trend.