Exit poll
Encyclopedia
An election exit poll is a poll of voters taken immediately after they have exited the polling stations. Unlike an opinion poll
Opinion poll
An opinion poll, sometimes simply referred to as a poll is a survey of public opinion from a particular sample. Opinion polls are usually designed to represent the opinions of a population by conducting a series of questions and then extrapolating generalities in ratio or within confidence...

, which asks whom the voter plans to vote for or some similar formulation, an exit poll asks whom the voter actually voted for. A similar poll conducted before actual voters have voted is called an entrance poll
Entrance poll
An entrance poll is a poll that is taken before voters have cast their votes at the polling stations. It is akin to an opinion poll in the sense that it asks who the voter plans to vote for or some similar set of questions...

. Pollsters – usually private companies working for newspaper
Newspaper
A newspaper is a scheduled publication containing news of current events, informative articles, diverse features and advertising. It usually is printed on relatively inexpensive, low-grade paper such as newsprint. By 2007, there were 6580 daily newspapers in the world selling 395 million copies a...

s or broadcasters – conduct exit polls to gain an early indication as to how an election has turned out, as in many elections the actual result may take hours or even days to count.

Warren Mitofsky
Warren Mitofsky
Warren Mitofsky was an American political pollster.Mitofsky graduated in 1957 from Guilford College and was executive director of the CBS News election and survey unit from 1967 to 1990...

, founder of Mitofsky International, is credited with having invented the exit poll.

Purpose

Exit polls are also used to collect demographic
Demographics
Demographics are the most recent statistical characteristics of a population. These types of data are used widely in sociology , public policy, and marketing. Commonly examined demographics include gender, race, age, disabilities, mobility, home ownership, employment status, and even location...

 data about voters and to find out why they voted as they did. Since actual votes are cast anonymously, polling is the only way of collecting this information.

Exit polls have historically and throughout the world been used as a check against and rough indicator
Election verification exit poll
Around the world, election exit polls are used as a standard of election verification. In the US, media exit poll operators note that their polls are not designed to detect fraud. Rather, their purpose is to project winners of races and provide material for news coverage...

 of the degree of election fraud. Some examples of this include the Venezuelan recall referendum, 2004, and the Ukrainian presidential election, 2004
Ukrainian presidential election, 2004
The Ukrainian presidential election, 2004 was held on October 31, November 21 and December 26, 2004. The election was the fourth presidential election to take place in Ukraine following independence from the Soviet Union...

.

Problems

Like all opinion polls, exit polls by nature do include a margin of error
Margin of error
The margin of error is a statistic expressing the amount of random sampling error in a survey's results. The larger the margin of error, the less faith one should have that the poll's reported results are close to the "true" figures; that is, the figures for the whole population...

. A famous example of exit poll error occurred in the 1992 UK General Election
United Kingdom general election, 1992
The United Kingdom general election of 1992 was held on 9 April 1992, and was the fourth consecutive victory for the Conservative Party. This election result was one of the biggest surprises in 20th Century politics, as polling leading up to the day of the election showed Labour under leader Neil...

, when two exit polls predicted a hung parliament
Hung parliament
In a two-party parliamentary system of government, a hung parliament occurs when neither major political party has an absolute majority of seats in the parliament . It is also less commonly known as a balanced parliament or a legislature under no overall control...

. The actual vote revealed that Conservative Party
Conservative Party (UK)
The Conservative Party, formally the Conservative and Unionist Party, is a centre-right political party in the United Kingdom that adheres to the philosophies of conservatism and British unionism. It is the largest political party in the UK, and is currently the largest single party in the House...

 Government under John Major
John Major
Sir John Major, is a British Conservative politician, who served as Prime Minister of the United Kingdom and Leader of the Conservative Party from 1990–1997...

 held their position, though with a significantly reduced majority. Investigations into this failure identified a number of causes including differential response rates (the Shy Tory Factor
Shy Tory Factor
Shy Tory Factor is a name given by British opinion polling companies to a phenomenon observed in the 1990s, where the share of the vote won by the Conservative Party in elections was substantially higher than the proportion of people in opinion polls who said they would vote for the party.In the...

), the use of inadequate demographic data and poor choice of sampling points.

Organizations that conduct election exit polling

In the United States, the National Election Pool (NEP) consists of ABC, AP, CBS, CNN, FOX News, and NBC conduct a joint election exit poll. Since 2004 this exit poll has been conducted for the NEP by Edison Media Research.

Criticism and controversy

Widespread criticism of exit polling has occurred in cases, especially in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, where exit-poll results have appeared and/or have provided a basis for projecting winners before all real polls have closed, thereby possibly influencing election results. In the 1980 U.S. presidential election
United States presidential election, 1980
The United States presidential election of 1980 featured a contest between incumbent Democrat Jimmy Carter and his Republican opponent, Ronald Reagan, as well as Republican Congressman John B. Anderson, who ran as an independent...

, NBC predicted a victory for Ronald Reagan at 8:15 pm EST, based on exit polls of 20,000 voters. It was 5:15 pm on the West Coast, and the polls were still open. There was speculation that voters stayed away after hearing the results. Thereafter, television networks have voluntarily adopted the policy of not projecting any victor within a state until all polls have closed for that state. In the 2000 U.S. Presidential election
United States presidential election, 2000
The United States presidential election of 2000 was a contest between Republican candidate George W. Bush, then-governor of Texas and son of former president George H. W. Bush , and Democratic candidate Al Gore, then-Vice President....

 it was alleged that media organizations released exit poll results for Florida
Florida
Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

 before the polls closed in the Florida panhandle.

Some countries, such as the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 or Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

, have made it a criminal offence to release exit poll figures before the polling stations have closed, while others, such as New Zealand
New Zealand
New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

 and Singapore
Singapore
Singapore , officially the Republic of Singapore, is a Southeast Asian city-state off the southern tip of the Malay Peninsula, north of the equator. An island country made up of 63 islands, it is separated from Malaysia by the Straits of Johor to its north and from Indonesia's Riau Islands by the...

, have banned them altogether. In some instances, problems with exit polls have encouraged polling groups to pool data in hopes of increased accuracy. This proved successful during the 2005 UK General Election
United Kingdom general election, 2005
The United Kingdom general election of 2005 was held on Thursday, 5 May 2005 to elect 646 members to the British House of Commons. The Labour Party under Tony Blair won its third consecutive victory, but with a majority of 66, reduced from 160....

, when the BBC
BBC
The British Broadcasting Corporation is a British public service broadcaster. Its headquarters is at Broadcasting House in the City of Westminster, London. It is the largest broadcaster in the world, with about 23,000 staff...

 and ITV
ITV
ITV is the major commercial public service TV network in the United Kingdom. Launched in 1955 under the auspices of the Independent Television Authority to provide competition to the BBC, it is also the oldest commercial network in the UK...

 merged their data to show an exit poll giving Labour
Labour Party (UK)
The Labour Party is a centre-left democratic socialist party in the United Kingdom. It surpassed the Liberal Party in general elections during the early 1920s, forming minority governments under Ramsay MacDonald in 1924 and 1929-1931. The party was in a wartime coalition from 1940 to 1945, after...

 a majority of 66 seats, which turned out to be the exact figure. This method was also successful in the 2007 Australian Federal Election, where the collaboration of Sky News
Sky News Australia
Sky News Australia is an Australian 24 hour cable and satellite news channel available in 2.5 million homes on Foxtel, Austar, Optus Television and Neighbourhood Cable subscription platforms....

, Channel 7
Seven Network
The Seven Network is an Australian television network owned by Seven West Media Limited. It dates back to 4 November 1956, when the first stations on the VHF7 frequency were established in Melbourne and Sydney.It is currently the second largest network in the country in terms of population reach...

 and Auspoll provided an almost exact 53 percent two party-preferred victory to Labor
Australian Labor Party
The Australian Labor Party is an Australian political party. It has been the governing party of the Commonwealth of Australia since the 2007 federal election. Julia Gillard is the party's federal parliamentary leader and Prime Minister of Australia...

 over the ruling Coalition
Coalition (Australia)
The Coalition in Australian politics refers to a group of centre-right parties that has existed in the form of a coalition agreement since 1922...

.

External links

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