Written by John Curtice.
Since the surprise result of the British election in May 2015, there has been plenty of speculation about why the opinion polls ahead of the vote were so wrong. On average, they put the Conservatives and Labour neck and neck, when in fact the Conservatives were seven points ahead.
Hard evidence on the reasons for their failure, however has so far been less plentiful. But a new report published today provides important evidence on what really happened.
The report presents the results obtained by the latest instalment of NatCen’s annual British Social Attitudes survey, which was conducted face to face between the beginning of July and the beginning of November last year. All 4,328 respondents to the survey were asked whether or not they voted in the May election and, if so, for which party. Continue reading Why the polls got it so wrong in the British general election