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Demystifying the art and science of pre-election polling – By Mark Blumenthal

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Category: Sampling Error

Another Online Poll on Online Activity

August 22, 2006October 1, 2019 Mark Blumenthal1 Comment on Another Online Poll on Online Activity

Last week’s "Numbers Guy" column by Carl Bialik of the Wall Street Journal Online looked at another online survey about an online activity, Read More…

Corrections!: An AMA Spring Break Update

June 1, 2006October 1, 2019 Mark Blumenthal3 Comments on Corrections!: An AMA Spring Break Update

We have had some new developments over the last few days regarding the online Spring Break study conducted earlier this year by the American Medical ARead More…

An Online Poll on an Online Activity

April 26, 2006November 13, 2019 Mark Blumenthal6 Comments on An Online Poll on an Online Activity

One of the gratifying things about writing this blog is the collective power of Mystery Pollster readers.  Last week, I emailed some questions tRead More…

The AMA Spring Break Survey – Part I

March 28, 2006November 13, 2019 Mark Blumenthal11 Comments on The AMA Spring Break Survey – Part I

Last week, MP discussed a not-quite projective study of evacuees from Hurricane Katrina published by the New York Times.  I noted the effort madRead More…

Gallup & The Samplemiser

February 15, 2006October 1, 2019 Mark Blumenthal1 Comment on Gallup & The Samplemiser

The latest poll release from Gallup includes what appears to be a new approach for reporting their data on the job approval rating of President GeorgeRead More…

Not Such An Outlier After All?

December 19, 2005October 1, 2019 Mark Blumenthal5 Comments on Not Such An Outlier After All?

The Diageo/Hotline Poll…(story, press release, full results) shows a very different result for the Bush job rating: 50% approve, 47% disapprove.&nbsRead More…

Outliers Happen

December 18, 2005November 13, 2019 Mark Blumenthal6 Comments on Outliers Happen

Two new national surveys released late last week add yet another wrinkle to the question of whether the approval ratings of President Bush are on theRead More…

Getting Past the Noise: Bush Slide Continues

October 18, 2005November 12, 2019 Mark Blumenthal5 Comments on Getting Past the Noise: Bush Slide Continues

The release of new results from six major public pollsters over the last two weeks provides a great opportunity to learn something about both the limRead More…

Bush Job Approval Up?

September 30, 2005November 12, 2019 Mark Blumenthal2 Comments on Bush Job Approval Up?

Let’s continue to obsess over the recent variation on the job approval rating of President George W. Bush and maybe learn something about sampling erRead More…

On Outliers and Party ID

February 18, 2005November 12, 2019 Mark Blumenthal7 Comments on On Outliers and Party ID

Last week, the Gallup organization released a survey sponsored by CNN and USAToday, fielded February 4-6, that appeared to show a surge in President Read More…

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