Updated: Polls apart – Number Cruncher Politics
Polls apart, a new joint study by Number Cruncher Politics and Populus of EU referendum polling, has resolved the mystery of why phone and online polls have been producing such different results. It concludes that there are two principal causes for the discrepancy between phone polls and online polls of the question of the UK’s membership of the European Union. About a third of the gap can be explained by the different ways in which the two modes typically deal with undecided voters. However the analysis finds that the bulk of the discrepancy is due simply to internet and phone