Search results
Results From The WOW.Com Content Network
Plurality voting is the most common voting system, and has been in widespread use since the earliest democracies.As plurality voting has exhibited weaknesses from its start, especially as soon as a third party joins the race, some individuals turned to transferable votes (facilitated by contingent ranked ballots) to reduce the incidence of wasted votes and unrepresentative election results.
Preferential voting or preference voting (PV) may refer to different election systems or groups of election systems: Any electoral system that allows a voter to indicate multiple preferences where preferences marked are weighted or used as contingency votes (any system other than plurality or anti-plurality )
Instant-runoff voting (IRV; US: ranked-choice voting (RCV), AU: preferential voting, UK/NZ: alternative vote) is a single-winner, multi-round elimination rule that uses ranked voting to simulate a series of runoff elections. In each round, the candidate with the fewest first-preferences (among the remaining candidates) is eliminated. This ...
Ranked-choice voting (RCV), preferential voting (PV), or the alternative vote (AV), is a multi-round elimination rule based on first-past-the-post. In academic contexts, the system is generally called instant-runoff voting ( IRV ) to avoid conflating it with other methods of ranked voting in general.
IRV (in Australia called preferential voting) was introduced for House of Representatives elections in Australia after the Swan by-election in October 1918, when the conservative Country Party, representing small farmers, split the non-Labor vote in conservative country areas, allowing Labor candidates to win on a first-past-the-post vote then in place.
In preferential block voting, a ranked ballot is used, ranking candidates from most to least preferred. Alternate ballot forms may have two groupings of marks, first giving n votes for an n seat election (as in traditional bloc voting), but also allowing the alternate candidates to be ranked in order of preference and used if one or more first choices are eliminated.
Instant-runoff (preferential) voting method. TPP/TCP vote is calculated when two candidates remain. In Australian politics, the two-party-preferred vote (TPP or 2PP), commonly referred to as simply preferences, is the result of an election or opinion poll after preferences have been distributed to the two candidates with the highest number of votes who, in some cases, can be independents.
A 4-candidate Yee diagram under IRV. The diagram shows who would win an IRV election if the electorate is centered at a particular point. Moving the electorate to the left can cause a right-wing candidate to win, and vice versa. Black lines show the optimal solution (achieved by Condorcet or score voting).