Analysis Ashcroft Eastern polls put Tories ahead, but highlight UKIP threat to both big parties 20th February 2015 | Matt Singh | More
Analysis Why uniform swing can be misleading, even within England 10th February 2015 | Matt Singh | More
Analysis The skew aka "electoral bias" – which party would need the most votes for equal seats? 11th December 2014 | Matt Singh | More
Analysis Local distractions for party leaders, few CON-LIB surprises 30th November 2014 | Matt Singh | More