Brown said that the surveys used by pollsters merely reflect changing views of the present.
en.wikipedia.org Hence, a moving average is used to link all polls from all pollsters into one series.
en.wikipedia.org Its multipartisan membership consists of political consultants, pollsters, media consultants, campaign managers, corporate public affairs officers, professors, lobbyists, fundraisers, congressional staffers, and vendors.
en.wikipedia.org Because they saw the kind of excoriation that the non-politically correct were getting and obviously didn't want to tell pollsters what they thought.
www.smh.com.au This can be attributed to varying polling methods, demographics, and sample sizes between pollsters, amongst other things.
en.wikipedia.org