That the mainstream media have a liberal bias is hardly a belief limited to those on the right. Indeed, many liberals and even media personalities themselves will readily agree. But is it possible to scientifically measure media bias? Can one statistically prove its existence and determine precisely how strong it is? In his new book, Left Turn: How Liberal Media Bias Distorts the American Mind, UCLA political-science professor Tim Groseclose attempts to do precisely that.
Groseclose first explored this idea in an article he co-authored with University of Missouri professor Jeff Milyo in 2005. The article, which concluded that there was an overall liberal bias in the media (no surprise), initially attracted harsh criticism from many on the left, including Media Matters. In an interview last week with National Review Online, Groseclose recalled the initial reaction to those 2005 findings: “You get hate mail. I have to say, media bias generates the worst in people.” In spite of that, he decided to expand the study into a book, and the result makes for a read that’s both enlightening and entertaining.
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