Range Voting What is Range Voting From Wikipedia

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Range Voting

Range Voting

What is Range Voting? From Wikipedia: “Range voting (also called ratings summation, average voting,

What is Range Voting? From Wikipedia: “Range voting (also called ratings summation, average voting, cardinal ratings, score voting, 0– 99 voting, the score system, or the point system) is a voting method for one-seat elections under which voters score each candidate, the scores are added up, and the candidate with the highest score wins. ” Similar to: Surveys Media reviews “Hot or Not” Athletic judgment processes

What is Range Voting? (cont. ) �Assumes the “right” winner is the one whose

What is Range Voting? (cont. ) �Assumes the “right” winner is the one whose election results in least amount of social dissatisfaction, counterbalancing sheer numbers Bayesian Regret Goodbye Majority Rule!!! Ex: I might win the majority of votes, but the losing minority is more dissatisfied with my election than my majority would have been if my opponent had won.

Historical Usage �Sparta?

Historical Usage �Sparta?

For Example �http: //en. wikipedia. org/wiki/Range_voting

For Example �http: //en. wikipedia. org/wiki/Range_voting

Arrow’s Impossibility Theorem Ranged voting satisfies the criteria of a deterministic voting system, with

Arrow’s Impossibility Theorem Ranged voting satisfies the criteria of a deterministic voting system, with non-imposition, nondictatorship, monotonicity, and independence of irrelevant alternatives (sometimes), but the method does not violate Arrow’s Impossibility Theorem because it utilizes scoring rather than ranking (violating Arrow’s universality criterion).

Advantages of Range Voting �Overlapping Support? No Problem! Taft/Roosevelt in 1912 (Wilson says “Thanks

Advantages of Range Voting �Overlapping Support? No Problem! Taft/Roosevelt in 1912 (Wilson says “Thanks Mr. Bull Moose”) Nader/Gore in 2000 (Bush says “Thanks Green Party”) �At least that guy didn’t win �Proponents: http: //rangevoting. org/ http: //www. electology. org/ William Poundstone, Gaming the Vote: Why Elections Aren’t Fair (and What We Can Do About It)

Problems �Voter ignorance Range voting is kinda complicated �Preference isn’t 1 -10 Subjectivity �Use

Problems �Voter ignorance Range voting is kinda complicated �Preference isn’t 1 -10 Subjectivity �Use of tactical voting Sincerity Min/Maxing (like in RPG’s) �The cost of change

Discussion �Would you advocate the use of this system in politics? In any election?

Discussion �Would you advocate the use of this system in politics? In any election? �Can you think of any other problems with this system of voting? �Any questions?

References � http: //en. wikipedia. org/wiki/Range_voting � http: //archive. fairvote. org/rangevoting. pdf � http:

References � http: //en. wikipedia. org/wiki/Range_voting � http: //archive. fairvote. org/rangevoting. pdf � http: //rangevoting. org/ � http: //www. motherjones. com/politics/2008/01/verdict-our-voting- system-loser � http: //marginalrevolution. com/marginalrevolution/2009/11/rangevoting. html � http: //badlandsbadley. files. wordpress. com/2011/04/america. jpg � http: //www 1. us. elsevierhealth. com/faces/graphics/FACES 0600. bmp � http: //www. ebaumsworld. com/pictures/view/51413/