Chart: How post-debate spin makes a difference in presidential debates

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Post-debate spin makes a difference, according to John Sides:

In 2004, Kim Fridkin and other researchers at Arizona State University showed people footage of the third presidential debate, the debate plus 20 minutes of post-debate commentary on NBC, the debate plus 20 minutes’ time to read commentary  So who won the debate, Bush or Kerry?  It depended on whether you watched the news

Erik Voeten follows up:

We should be careful not to suggest that debate performance doesn’t influence the media narrative. It does. But as John’s post notes, the effect of debates filtered by the media will differ from what the effect would have been if it had not been filtered.

Via Andrew Sullivan.

Peter Schorsch is the President of Extensive Enterprises and is the publisher of some of Florida’s most influential new media websites, including,,, and Sunburn, the morning read of what’s hot in Florida politics. SaintPetersBlog has for three years running been ranked by the Washington Post as the best state-based blog in Florida. In addition to his publishing efforts, Peter is a political consultant to several of the state’s largest governmental affairs and public relations firms. Peter lives in St. Petersburg with his wife, Michelle, and their daughter, Ella.