Bio
Heather Higgins is a political commentator and non-profit executive. She is President and CEO of Independent Women's Voice, and serves on the boards of the Independent Women’s Forum, the Hoover Institution, and The Philanthropy Roundtable among others. Her writing has appeared many places, including the Wall Street Journal, Politico, The Huffington Post, Town Hall, and NRO.
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Re: Who Knew? Data on the Efficacy of the Repeal Pledge
Per pollster: "Statistically speaking, when dealing with any population above 50,000 the margin of error remains the same based on the number of interviews. Whether you dealing with a population of 50,000 or 5 million, 300 interviews will always yield the same margin of error (+/- 5.65%). Of course, if you increase the sample size, say to 500, you reduce the margin of error. But only by about 1%. Most professional pollsters feel very comfortable using a universe of 300 when dealing with a universe of primary voters.
"In Nebraska, we took a proportionate representation of voter turnout in the actual primary election from the day before by county, grouped the counties into Media markets and set a gender quota of 50/50 by media market and large counties, then dialed off a list of those voters who voted in at least one Republican primary election over the past few years. In a survey where we are required to speak to those who actually voted, we needed closer to 50 numbers (v. usual 25-30) per complete.
"We only weight if a number (e.g. gender) is way off. In these numbers no weighting was needed."