Does this put YouGov’s daily movements into context?
Remember Scotland May 5 2011? There was as lot of excitement on Tuesday night when the News International/YouGov daily poll came out showing the Tories on 39% – just one point behind Labour on 40% – the smallest Labour lead for months. Last night’s poll had it looking differently although the changes, Labour up 2 the Tories down 2, were within the margin of error. But how much notice should we take of the daily changes from the online pollster…