If they behave differently to the national polls, and if different
groups of marginal seats behave differently to one another, it's obviously a very big deal.
Note that this wasn't what we've often called a «marginal poll» in the past (a single poll of
a group of marginal seats), it was 14 separate polls, one in each seat, individually sampled and weighted.
We've seen an increase in marginal polls and, more importantly, we've seen an increase in regular marginal polls — Lord Ashcroft and ComRes are both doing regular polls of the same groups or
group of marginal seats.
Unlike Lord Ashcroft's marginal polls (which are actually a series of individual constituency polls in seats that are marginals, which we can aggregate together to get an extremely large sample across
a group of marginal seats) ComRes's poll is a more traditional marginals poll — a single poll of
a group of marginal seats, meaning it gives us a measure of those seats as a whole, but has far too few people to tell us anything about the individual seats within that group.
Not exact matches
The Business Council
of Australia, the lobby
group representing the nation's largest companies, is now spending big on political campaigning and is targeting
marginal seats.
Taken together,
groups of Conservative - Labour
marginals in my research have shown swings to Labour at a similar level to those in the national polls, but there are wide variations between
seats with similar majorities: in the first round, published in May, I found swings to Labour
of 8 % in Amber Valley and just 2 % in Morecambe & Lunesdale.
«A recent survey by the Countryside Alliance, a pressure
group, found that
of 120 Tory candidates in
marginal seats only one was against repealing the ban and he said that he would abstain on any vote.»
Treat coastal
seats as a distinct
group within the «40/40»
marginal seats - both in terms
of the policy challenges they face and in terms
of analysing their new Mosaic demographic data to understand the electoral features they have in common
The first is the next cohort
of Lib Dem - v - Conservative
marginals, this
group are those
seats with a Lib Dem majority
of between 9 % and 15 % over the Conservatives, so we are no longer looking at ultra-
marginals.
Marginal polls used to only come along occasionally, varied a lot, polled different
groups of seats, and didn't often happen right before elections so weren't tested against reality, meaning methods weren't finessed and improved over time in the same way national polls are.
«A poll might seek out the views
of a Mosaic
group — say, «overstetched young aspirers» — living in
marginal seats in northern England.