From a new Knight Foundation report co-authored with Andrew Guess, Benjamin Lyons, and Jason Reifler: Is the expansion of media choice good for democracy? Not according to critics who decry “echo chambers,” “filter bubbles,” and “information cocoons” — the highly polarized, ideologically homogeneous forms of news and media consumption that are facilitated by technology. However,

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From my new Upshot column: How easy is it to change people’s votes in an election? The answer, a growing number of studies conclude, is that most forms of political persuasion seem to have little effect at all. This conclusion may sound jarring at a time when people are concerned about the effects of the

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