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28 Cards in this Set

  • Front
  • Back
Having the most first place votes
Plurality
Having over half of the first place votes
Majority
Voting method that only uses 1st place votes
Plurality
Voting method where the candidates with the least first place votes are eliminated until someone has a majority
Sequential Runoff
Voting method where all candidates except the two with the most first place votes are eliminated
Runoff
Voting method where all candidates are compared one-on-one to every other candidate
Pairwise
Voting method where candidates get 1 pt for a last place vote, 2 pts for a next to last vote, etc.
Borda Count
If there are 5 candidates, there are _____ possible rankings.
120
If there are 5 candidates, there are _____ possible pairwise comparisons.
10
If there are 5 candidates, there will be _____ points awarded on each ballot using Borda count.
15
If there are 5 candidates, there will be _____ possible ways to vote using approval voting.
32
If there are 5 candidates, a candidate must win _____ pairwise comparisons to be the Condorcet candidate.
4
A candidate who could defeat any other candidate in a two-way race
Condorcet candidate
Voting method where voters can vote yes or no to every choice on the ballot
Approval voting
One individual's preferences should not be the sole basis of the group ranking
Arrow's Condition:
Nondictatorship
Each individual should be allowed to order the choices in any way--including ties
Arrow's Condition:
Individual Sovereignty
If everyone prefers A over B, then A should finish higher than B
Arrow's Condition:
Unanimity
Removing a choice should not change the ranking of the other choices
Arrow's Condition:
Freedom from Irrelevant Alternatives
The ranking method should produce the same result if applied again to the same preference schedule (no randomness)
Arrow's Condition:
Uniqueness of Group Ranking
There is no method that is guaranteed to fairly determine the winner of an election with 3 or more choices
Arrow's Impossibility Theorem
A paradox where the candidate with over half of the first place votes loses
Majority Paradox
A paradox where a candidate who would beat any other candidate in a two-way race loses
Condorcet Paradox
A paradox where a candidate dropping out of the race changes the winner of the election
Freedom-from-Irrelevant-Alternatives Paradox
A paradox where voters ranking a candidate higher on their ballot causes that candidate to place lower in the final ranking
Monotonicity Paradox
A series of steps for completing a task
Algorithm
A rule for describing a pattern based on the previous term
Recursive Rule
A rule that describes a pattern without using the previous term
Explicit Rule or
Closed Formula
A voter ranks choices differently from their true preferences--usually to hurt a certain candidate
Insincere Voting