Have the opinion polls used during the run up to the Scottish referendum, hindered the chance of a fair vote being cast?
Scotland's referendum battle swung back towards the no camp on Wednesday night when an opinion poll gave the pro-union side a six-point lead, suggesting the sudden surge in backing for independence had subsided.
Ukip have taken a shock six-percentage-point leap in the polls following confirmation that Nigel Farage is intending to stand in a Tory seat in Kent. An Opinium/Observer poll has Farage's party on 21%. It appears that Ukip has taken support from both the Tories and Labour.
Ed Miliband has overturned a narrow Tory advantage to take a commanding seven point lead after a bruising week for David Cameron in the wake of the resignation of Baroness Warsi over the Gaza crisis, according to a new Guardian / ICM poll.
British people would vote to leave the European Union by a large margin under the current terms of membership, according to a new Opinium/Observer poll.
Labour's lead over the Conservatives has narrowed to just one point according to the latest Opinium/Observer poll, while Ukip stands firm at near record levels.
A newly optimistic Nick Clegg, following the party's success in the Eastleigh byelection, said the Liberal Democrats have moved from being a protest party to the anchor that will deliver centre-ground governments committed to both a strong economy and a fairer society.
The Conservatives and Liberal Democrats have suffered a double blow as Nigel Farage's UK independence party soared to 17% in the latest Opinium/Observer poll, and a large majority of voters have said they believe coalition economic policies are harming the country.
Over half of the British public believe that the UK should withdraw from the EU if David Cameron cannot negotiate a significant return of powers, a new poll reveals.
David Cameron has called on the British people to remain optimistic about their prospects in 2013, as a new poll shows that more than twice as many voters are pessimistic about the year ahead as believe that their circumstances will improve.
Far from suffering from an Olympic hangover, Britons are closing 2012 in a mood of fond nostalgia for the London Games, according to a Guardian/ICM poll.