A split vote is normally used synonymously with "deadlocked", "hung", or "evenly split" vote. It indicates a vote in which no decision can be made, as neither side has the majority.
In concurrent computing, a deadlock is a state in which each member of a group is waiting for another member, including itself, to take action, such as sending a message or more commonly releasing a lock. Deadlock is a common problem in multiprocessing systems, parallel computing, and distributed systems, where software and hardware locks are used to arbitrate shared resources and implement process synchronization.
The term can be used to indicate dissent by as little as a single vote, if a unanimous vote is required.
A casting vote is a vote that someone may exercise to resolve a deadlock. A casting vote is typically by the presiding officer of a council, legislative body, committee, etc., and may only be exercised to break a deadlock. Examples of officers who hold casting votes are the Speaker of the British House of Commons and the President of the United States Senate.
A hung jury or deadlocked jury is a judicial jury that cannot agree upon a verdict after extended deliberation and is unable to reach the required unanimity or supermajority.
A hung parliament is a term used in legislatures under the Westminster system to describe a situation in which no particular political party or pre-existing coalition has an absolute majority of legislators in a parliament or other legislature. This situation is also known, albeit less commonly, as a balanced parliament, or as a legislature under no overall control, and can result in a minority government. The term is not relevant in multi-party systems where it is rare for a single party to hold a majority.
A split vote may arise from vote splitting, which occurs in an election when the existence of two or more similar candidates reduces the votes received by each of them, reducing the chances of any one of them winning against another, significantly different, candidate. In systems that require a winning candidate to receive a majority of votes, this may result in a runoff election.
Vote splitting is an electoral effect in which the distribution of votes among multiple similar candidates reduces the chance of winning for any of the similar candidates, and increases the chance of winning for a dissimilar candidate.
An election is a formal group decision-making process by which a population chooses an individual to hold public office. Elections have been the usual mechanism by which modern representative democracy has operated since the 17th century. Elections may fill offices in the legislature, sometimes in the executive and judiciary, and for regional and local government. This process is also used in many other private and business organizations, from clubs to voluntary associations and corporations.
Approval voting is a single-winner electoral system where each voter may select ("approve") any number of candidates. The winner is the most-approved candidate.
Plurality voting is an electoral system in which each voter is allowed to vote for only one candidate, and the candidate who polls the most among their counterparts is elected. In a system based on single-member districts, it may be called first-past-the-post (FPTP), single-choice voting, simple plurality or relative/simple majority. In a system based on multi-member districts, it may be referred to as winner-takes-all or bloc voting. The system is often used to elect members of a legislative assembly or executive officers. It is the most common form of the system, and is used in most elections in the United States, the lower house in India, elections to the House of Commons and English local elections in the United Kingdom and Canada.
Gerrymandering is a practice intended to establish a political advantage for a particular party or group by manipulating district boundaries.
The two-round system is a voting method used to elect a single winner, where the voter casts a single vote for their chosen candidate. However, if no candidate receives the required number of votes, then those candidates having less than a certain proportion of the votes, or all but the two candidates receiving the most votes, are eliminated, and a second round of voting is held.
The single transferable vote (STV) is a voting system designed to achieve proportional representation through ranked voting in multi-seat organizations or constituencies. Under STV, an elector (voter) has a single vote that is initially allocated to their most preferred candidate. Votes are totalled and a quota derived. If their candidate achieves quota, he/she is elected and in some STV systems any surplus vote is transferred to other candidates in proportion to the voters' stated preferences. If more candidates than seats remain, the bottom candidate is eliminated with his/her votes being transferred to other candidates as determined by the voters' stated preferences. These elections and eliminations, and vote transfers if applicable, continue until there are only as many candidates as there are unfilled seats. The specific method of transferring votes varies in different systems.
In voting methods, tactical voting occurs, in elections with more than two candidates, when a voter supports another candidate more strongly than their sincere preference in order to prevent an undesirable outcome.
Single non-transferable vote or SNTV is an electoral system used in multi-member constituency elections.
A Condorcet method is an election method that elects the candidate that would win a majority of the vote in all of the head-to-head elections against each of the other candidates, whenever there is such a candidate. A candidate with this property is called the Condorcet winner.
Voting is a method for a group, such as a meeting or an electorate, in order to make a collective decision or express an opinion, usually following discussions, debates or election campaigns. Democracies elect holders of high office by voting. Residents of a place represented by an elected official are called "constituents", and those constituents who cast a ballot for their chosen candidate are called "voters". There are different systems for collecting votes.
Cumulative voting is a multiple-winner voting method intended to promote more proportional representation than winner-take-all elections.
A first-past-the-post electoral system is one in which voters indicate on a ballot the candidate of their choice, and the candidate who receives the most votes wins. This is sometimes described as winner takes all. First-past-the-post voting is a plurality voting method. FPTP is a common, but not universal, feature of electoral systems with single-member electoral divisions, and is practised in close to one third of countries. Notable examples include Canada, India, the United Kingdom, and the United States, as well as most of their current or former colonies and protectorates.
A protest vote is a vote cast in an election to demonstrate dissatisfaction with the choice of candidates or the current political system. Protest voting takes a variety of forms and reflects numerous voter motivations, including political alienation.
Federal elections were held in Germany on 18 September 2005 to elect the members of the 16th Bundestag. This became necessary after a motion of confidence in Chancellor Gerhard Schröder failed on 1 July. Following the defeat of Schröder's Social Democratic Party (SPD) in a state election, Schröder asked his supporters to abstain from the Bundestag motion, knowing the motion would fail and thus triggering an early federal election.
Deliberative assemblies – bodies that use parliamentary procedure to arrive at decisions – use several methods of voting on motions. The regular methods of voting in such bodies are a voice vote, a rising vote, and a show of hands. Additional forms of voting include a recorded vote and balloting.
Instant-runoff voting (IRV) or Ranked choice voting (RCV) is a type of ranked preferential voting method used in single-seat elections with more than two candidates. Instead of indicating support for only one candidate, voters in IRV elections can rank the candidates in order of preference. Ballots are initially counted for each voter's top choice. If a candidate has more than half of the vote based on first-choices, that candidate wins. If not, then the candidate with the fewest votes is eliminated. The voters who selected the defeated candidate as a first choice then have their votes added to the totals of their next choice. This process continues until a candidate has more than half of the votes. When the field is reduced to two, it has become an "instant runoff" that allows a comparison of the top two candidates head-to-head. Compared to plurality voting, IRV can reduce the impact of vote-splitting when multiple candidates earn support from like-minded voters.
The 2011 council elections in Guildford saw the Conservatives retain control over Guildford Borough Council with an increased majority of 20 seats. Full results for each ward can be found at Guildford Council election, full results, 2011.
In the United States, a contingent election is the procedure used in presidential elections in the case where no candidate wins an absolute majority of votes in the Electoral College, the constitutional mechanism for electing the President and the Vice President of the United States. A contingent election for the president is decided by a vote of the United States House of Representatives, and the contingent election for the vice president is decided by a vote of the United States Senate. The contingent election procedure, along with the other parts of the presidential election process, was first established in Article Two, Section 1, Clause 3 of the United States Constitution, and then modified by the 12th Amendment in 1804.
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