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FIRST READING: Why the massive Liberal poll leads might be an illusion

Veteran pollsters says survey are chronically undercounting Conservatives by up to seven points

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FIRST READING: Why the massive Liberal poll leads might be an illusion Back to video

As the Liberals enjoy some of the most explosive polling leads in Canadian history, a leading pollster is suggesting that it’s mostly a product of mathematical error.

This week, Abacus Data CEO David Coletto suggested that many of his peers are chronically undercounting Conservative voters, presenting a “distorted version” of the electorate to the public.

“I do not believe that other pollsters are purposively doing anything wrong,” he wrote in an online post. He then suggested that Canadian surveys were routinely showing “a larger Liberal advantage than may actually exist in the electorate.”

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Abacus Data’s own surveys have indeed been showing a Liberal lead for the last few months, but not........

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