What does this say about the Brown – Cameron battle?
Woodnewton Associates How predictive are leader aprroval ratings six months out? The above table has been prepared by pollling analyst Mark Gill and appears on the Gary Gibbon blog on the Channel 4 website. Using Gallup Poll leader approval data for 1959 – 1974 and Ipsos MORI for 1979 – 2009 it seeks to show the extent to which those those numbers were predictive from six months out before the election. Just look at it election by election and then…