Term

Definition
How groups can best arrive at decisions. 


Term

Definition
A Ballot that ranks the candidates from most preferred to least preferred. (with no ties) 


Term

Definition
A voting system for elections with two candidates in which the candidate with the most votes wins. 


Term

Definition
All ballots are ignored except that of the dictator. 


Term

Definition
Candidate "X" wins regardless of who votes for him. (predetermined) 


Term

Definition
The candidate with the fewest votes wins. 


Term

Definition
If a new election were held and a single voter changes his vote from being a vote for the loser to a winner, then the outcome remains the same. 


Term

Definition
A candidate is the winner when he would defeat ever other candidate in a onetoone contest using majority rule. 


Term
Condercet's Voting Paradox 

Definition
There are elections in which Condercet's Method yields no winner. 


Term

Definition
Candidate with the most 1st place votes wins. (does not require the winner to have a majority.) 


Term
Condorcet's Winner Criterion 

Definition
For every possible sequence of preference list ballots: 1. There is no Condorcet winner. 2. The voting system produces the same winner as Condorcet's Method. 


Term

Definition
A voter's advantage to submit a ballot that misrepresents his true preference. 


Term

Definition
A rank method of voting that assigns points in a non increasing manner to each candidate and then sums these points to arrive at the groups final rankings. 


Term

Definition
Total points of each candidate. (highest score wins) 


Term
Independence of Irrelevant Alternatives 

Definition
It is impossible for an alternative B to move from non winner to winner status unless at least one voter reuses the order in which had B and the winner ranked. 


Term

Definition
An ordering of the candidates to be considered (horizontal) 


Term
Sequential Pairwise Voting 

Definition
Pits the 1st candidate against the second in a onetoone contest. The winner confronts the 3rd candidate while the loser is eliminated. Continue through the agenda until one candidate remains. 


Term

Definition
If all voters prefer one candidate A to another B, then candidate B cannot be the winner. (Sequential Pairwise does not satisfy this) 


Term

Definition
The winner is determined by repeatedly deleting alternatives that are least preferred. (**Rounds**) 


Term

Definition
There is a plurality election, then (if needed) there is a runoff (new election) between the two candidates receiving the most first place votes. (winner has majority of votes) 


Term

Definition
Each voter submits a ballot that indicates which candidates he approves of. Winning is determined by the total number of approval votes. 

