nosuchreality
Well-known member
In early April, a team of ballot design experts joined elections officials in Santa Cruz County to test a variety of side-by-side options for arranging the Senate candidates' names. In trial runs, they found that no matter how they tinkered with the format, more than one-third of the mock ballots were marked with an overvote.
http://www.latimes.com/politics/la-pol-ca-california-senate-primary-ballot-confusion-20160425-story.html