Proximity means that things near each other are associated with each other.
Note that the holes are much closer to each other than they are to the questions. Arrows simply do not work this way to mitigate the effect. All of this is bad design. Simple statistical models predict a vote of less than 900 for Buchanan in Palm Beach County, compared to the 3,407 votes he actually received, says Alan Agresti, a distinguished professor in UF's department of statistics. The models are based on statewide elections returns this year and in 1996, when Ross Perot shared the ballot with Bob Dole and Bill Clinton.