How valid are ConHome’s polls?
Shouldn’t they be joining the British Polling Council? It’s become almost a regular occurrence. ConservativeHome (or ContinuityIDS as we used to call it) carries out a survey and up pops Tim Montgomerie to talk as though he is the official voice of the party’s grass-roots. But how much attention should we give to his polling? Are samples, for instance, weighted in line with the known demographics of the audience he is testing? What weightings are used? What is the precise…