Answer:
Interrupted time series
Explanation:
In simple words, Interrupted time series evaluation can be understood as a statistical technique for assessing the results of an intervention that involves monitoring a long-term time frame before as well as after the intervention. The interference is the interference, which would be a regulated external effect or collection of effects, whereas the time series refers to the information over term.
Thus, from the above we can conclude that the given case illustrates interrupted time series design.
They were both in the same region
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