If classic uniform swing assumptions held all the lines in the graph would be flat. (britishelectionstudy.com)
If they are indeed losing most heavily in the seats they are defending they are set to lose several more seats than national polls with uniform swing would predict. (britishelectionstudy.com)
There is a danger for Labour of not winning so many seats as uniform swing would suggest if their vote gains are disproportionately concentrated in areas where the Liberal Democrats did relatively well in 2010. (britishelectionstudy.com)