Clayfoot (clayfoot) wrote in suggestions,
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Condorcet polls

Title
Condorcet polls

Short, concise description of the idea
Condorcet polling allows voters to rank their choices by preference. The winner is the candidate or option with the most consensus support.

Full description of the idea
Some polls (like favorite food, for example) don't work well when voters must choose a single favorite. Condorcet polling allows the voters to rank their choices by preference. The Condorcet method uses that preferential ranking to choose the poll choice with the most support. So, while there may be ties in single choice polls, a Condorcet poll can match voter preference of each option compared to all others to find a clear consensus winner.

An ordered list of benefits
  • No more runoffs: A Condorcet poll only results in a tie when there is no option preferred by voters to all other options.
  • Ranking avoids problems like vote splitting and spoilers, and reduces the general problem of strategic voting.
  • Ranking is fun --Even if a voter's first preference doesn't win, the voter's second or third choice may still win with that voter's support.

An ordered list of problems/issues involved
  • While writing the polling form is simple enough, counting the votes is more complicated than single choice polling.
  • Though Condorcet polling is similar to many preferential surveys used these days, some voters may not immediately understand how to vote by ranking.

An organized list, or a few short paragraphs detailing suggestions for implementation
  • Wikipedia has more information and links on the Condorcet method.
    http://en.wikipedia.org/wiki/Condorcet_method
  • CIVS is a free Internet voting service based on the Condorcet method.
    http://www.cs.cornell.edu/andru/civs.html
  • The CIVS site offers free Perl source code for conducting Condorcet polls.
    http://www.cs.cornell.edu/w8/~andru/civs/changelog.html
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