The Fix: IVR Surveys & Response Rates

July 13, 2006

Yesterday (just before the Typepad outage that prevented me from posting all day), Chris Cillizza's The Fix blog at took a helpful look at the "Pros and Cons of Auto-Dialed Surveys" and said some kind words about MP in...[More...]

Corrections!: An AMA Spring Break Update

June 1, 2006

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 Association (AMA). The story, as long time readers will recall, involved an AMA release that...[More...]

Mobile Phone Update

May 16, 2006

Two important reports were released over the last few days on the growing number of Americans with a mobile phone but no "wired" phone service and the implications of this trend for the accuracy of telephone surveys. Last Friday, the...[More...]

Mom's Pay: Another Non-Random Sample

May 11, 2006

The Wall Street Journal Online's Carl Bialik is on the case of another non-random sample survey conducted online. In this week's Numbers Guy column (free to all) Bialik writes about a study done by the salary compensation firm that...[More...]

An Online Poll on an Online Activity

April 26, 2006

One of the gratifying things about writing this blog is the collective power of Mystery Pollster readers. Last week, I emailed some questions to Zogby International about the methodology they used for a recent poll conducted on behalf of the...[More...]

The AMA Spring Break Survey - Part II

March 29, 2006

Picking up where we left off yesterday, the AMA's Spring Break survey has problems other than the disclosure of its methodology. We must also consider the misleading reporting of results from the survey that were based on less than the...[More...]

The AMA Spring Break Survey - Part I

March 28, 2006

Last week, MP discussed a not-quite projective study of evacuees from Hurricane Katrina published by the New York Times. I noted the effort made by the Times to differentiate their study from a "scientific poll" and to make clear that...[More...]

On Random Sampling and NYT Katrina Evacuee Study

March 23, 2006

An article in yesterday's New York Times on interviews conducted among Katrina evacuees raises some very important questions about how to use a survey-like study that is not quite a projective survey. In this case, in MP's view, the Times...[More...]

Zogby Troop Poll: The Random Probability Sample

March 3, 2006

On the Zogby poll of U.S. troops in Iraq, I need to make one point that was implicit in my comments on Wednesday a bit more explicit. While much is shrouded in secrecy, one aspect of the methodology is clear...[More...]

About that YouGov Poll of British Muslims

July 28, 2005

Reader BK emailed with a question about a survey of Muslims in the United Kingdom conducted for the London Daily Telegraph by the company YouGov just after the first London bombings. It asked respondents: "Do you think the bombing attacks...[More...]