$1-billion-a-day figure estimating the costs of the Port of Los Angeles/Port of Long Beach strike was trotted out quickly and promoted widely, because it's attention-getting. And possibly, because it serves certain political objectives. But it's not accurate.
WASHINGTON -- For all the challenges facing pre-election polls -- and there are many -- the average accuracy of statewide surveys last year matched th...
For better or worse, FiveThirtyEight's prominence makes these ratings central to our conversation about how to interpret and aggregate polls, and I ha...
Polling critics are fast to point out when polls get it wrong, so let us point out an instance of the polls getting it right. In Tuesday night's Georg...
My column for this week follows up on last week's topic from a different angle: Nate Silver's intriguing finding that as a group, pollsters that are m...
I have been posting quite a bit lately on the subject of the transparency of Nate Silver's recently updated pollster ratings, so it was heartening to ...
Regular readers may recall my personal pet peeve about rushing to quick conclusions about the "most accurate pollster" in any given election. One of m...
I had intended to post a "quick" summary of what Tuesday night's results say about how the polls did, but like a thread pulled on a sweater, my outlin...
"So who was the most accurate pollster yesterday?"
If I had $100 for every time I've been asked that question by a reporter on the Wednesday morning a...
Since 2002 (and probably earlier), you could do pretty well in predicting the outcomes of races for President, Senate, Governor and even the U.S. Hous...
I interviewed Chase Harrison, preceptor at the Program on Survey Research at Harvard University, on his research into the accuracy of pre-election pol...
In the eight weeks since the elections, I have seen a fair number of self-congratulatory press releases from pollsters boasting of their successes dur...
Yesterday, the National Council on Public Polls (NCPP) posted its biennial review of poll performance as a three-part set of PDF documents: Tables sco...
It started not long after the sunrise last Wednesday morning. One reporter after another wanted to know: Which poll or pollster was most accurate? Whi...