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Eagleton Institute of Politics addresses inaccurate poll results

Published On: Mar 26 2014 04:59:13 PM EDT

After the Eagleton Institute of Politics produced inaccurate results in two New Jersey election polls, it wanted to find out why.

The polling institute hired a New York research firm to look for reasons the final pre-election polls in New Jersey's gubernatorial and special Senate races overstated the winner's margin of victory.

The answer: the order in which the questions were asked skewed the results.


Langer Research Associates concluded that respondents were not asked their vote intention early enough in the survey. Their report said a series of lead-in questions may have influenced the outcome of later questions.

Eagleton Director Ruth Mandel said the institute chose to have its recent results reviewed to correct an obvious problem. She said the institute is committed to providing credible, impartial polling data.