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      Political science. Exposure to ideologically diverse news and opinion on Facebook.

      1 , 2 , 3

      Science (New York, N.Y.)

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          Abstract

          Exposure to news, opinion, and civic information increasingly occurs through social media. How do these online networks influence exposure to perspectives that cut across ideological lines? Using deidentified data, we examined how 10.1 million U.S. Facebook users interact with socially shared news. We directly measured ideological homophily in friend networks and examined the extent to which heterogeneous friends could potentially expose individuals to cross-cutting content. We then quantified the extent to which individuals encounter comparatively more or less diverse content while interacting via Facebook's algorithmically ranked News Feed and further studied users' choices to click through to ideologically discordant content. Compared with algorithmic ranking, individuals' choices played a stronger role in limiting exposure to cross-cutting content.

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          Most cited references 17

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          Red Media, Blue Media: Evidence of Ideological Selectivity in Media Use

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            A New Era of Minimal Effects? The Changing Foundations of Political Communication

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              The Consequences of Cross-Cutting Networks for Political Participation

               Diana Mutz (2002)
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                Author and article information

                Journal
                Science
                Science (New York, N.Y.)
                1095-9203
                0036-8075
                Jun 5 2015
                : 348
                : 6239
                Affiliations
                [1 ] Facebook, Menlo Park, CA 94025, USA. ebakshy@fb.com.
                [2 ] Facebook, Menlo Park, CA 94025, USA.
                [3 ] Facebook, Menlo Park, CA 94025, USA. School of Information, University of Michigan, Ann Arbor, MI, USA.
                Article
                science.aaa1160
                10.1126/science.aaa1160
                25953820
                Copyright © 2015, American Association for the Advancement of Science.

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