Following a state wide boom in voter registration and participation, Lakeview' election board claimed that the increased participation in its precinct resulted from the new busing campaign that brought many voter to their neighborhood polling station on the Election Day.

Which of the following, if it could be carried out, would be most useful in an evaluation of Lakeview' assessment of the causes of the increased voter participation in its precinct?

• A.Determining the average increase in voter participation in each neighborhood of Lakeview.
  B.Sing polling data to predict the participation rates for the upcoming election in Lakeview' Precinct.
  C.Comparing the total number of voters participating when the busing campaign brought them to their neighborhood polling station to the total number of voters participating before the busing campaign.
  D.Comparing the increase in voter participation in Lakeview to the increase in participation in precincts demographically similar to Lakeview that did not implement busing campaigns.
  E.Comparing the long-term impact of the busing campaign on Lakeview's voter registration patterns with the short term impact of the busing campaign on Lakeview' voter participation.