I found it a good read and certainly feel more educated with regards to the changes in voter preferences. (amazon.co.uk)
But it does raise the question whether the current pattern of voter preferences will necessarily lead to the projected result, or whether the election outcome may still be different. (britishelectionstudy.com)
Because of the importance of the election and the familiarity of voters with the candidates, polls tend to measure actual voter preferences throughout the campaign. (democraticdashboard.com)