Abramowitz, Alan I. 2010. The Disappearing Center: Engaged Citizens, Polarization, and American Democracy. New Haven, CT: Yale University Press.Google Scholar

Abramowitz, Alan I. 2008. “Don’t Blame Primary Voters for Polarization.” The Forum 5(4) (online).Google Scholar

Abramowitz, Alan I. and Saunders, Kyle L.. 2008. “Is Polarization a Myth?” The Journal of Politics 70(2): 542–555.Google Scholar

Abramowitz, Alan I. and Saunders, Kyle L.. 2005. “Why Can’t We All Just Get Along? The Reality of a Polarized America.” The Forum 3(2) (online).Google Scholar

Abramowitz, Alan I. and Saunders, Kyle L.. 1998. “Ideological Realignment in the US Electorate.” The Journal of Politics 60(3): 634–652.Google Scholar

Abramowitz, Alan I. and Stone, Walter J.. 2006. “The Bush Effect: Polarization, Turnout, and Activism in the 2004 Presidential Election.” Presidential Studies Quarterly 36(2): 141–154.Google Scholar

Abrams, Samuel J. and Fiorina, Morris P.. 2012. “‘The Big Sort’ That Wasn’t: A Skeptical Reexamination.” PS: Political Science & Politics 45(2): 203–210.Google Scholar

Ahler, Douglas J. 2014. “Self-Fulfilling Misperceptions of Public Polarization.” The Journal of Politics 76(3): 607–620.Google Scholar

Ahler, Douglas J. and Sood, Gaurav. 2018. “The Parties in Our Heads: Misperceptions about Party Composition and Their Consequences.” The Journal of Politics (forthcoming).Google Scholar

Ahn, Toh-Kyeong, Huckfeldt, Robert, and Ryan, John Barry. 2014. Experts, Activists, and Democratic Politics: Are Electorates Self-Educating? Cambridge University Press.Google Scholar

Ahn, Toh-Kyeong, Huckfeldt, Robert, and Ryan, John Barry. 2010. “Communication, Influence, and Informational Asymmetries among Voters.” Political Psychology 31(5): 763–787.Google Scholar

Allport, Gordon W. 1954. The Nature of Prejudice. Reading, MA: Addison-Wesley.Google Scholar

Ansaldo, Michael. 2017. “4 Ways to Block Political Posts on Facebook.” PCWorld (February 20).Google Scholar

Anspach, Nicolas. 2017. “The New Personal Influence: How Our Facebook Friends Influence the News We Read.” Political Communication 34(4): 590–606.Google Scholar

Anspach, Nicolas. 2016. “The Facebook Effect: Political News in the Age of Social Media.” PhD Dissertation. Temple University.Google Scholar

Arceneaux, Kevin and Johnson, Martin. 2013. Changing Minds or Changing Channels?: Partisan News in an Age of Choice. University of Chicago Press.Google Scholar

Arceneaux, Kevin, Johnson, Martin, and Murphy, Chad. 2012. “Polarized Political Communication, Oppositional Media Hostility, and Selective Exposure.” The Journal of Politics 74(1): 174–186.Google Scholar

Armas, Genaro C. 2004. “From NASCAR Dad to Soccer Mom, Campaigns Drawn to Political Labels.” nwi.com (June 20), www.nwitimes.com/news/opinion/from-nascar-dad-to-soccer-mom-campaigns-drawn-to-political/article_d7c70776-5b70-5bb4-8e2d-286162f31545.html.Google Scholar

Bafumi, Joseph and Shapiro, Robert Y.. 2009. “A New Partisan Voter.” The Journal of Politics 71(1): 1–24.Google Scholar

Bakshy, Eytan, Messing, Solomon, and Adamic, Lada A.. 2015. “Exposure to Ideologically Diverse News and Opinion on Facebook.” Science 348(6239): 1130–1132.Google Scholar

Barbera, Pablo. 2015. “Birds of the Same Feather Tweet Together. Bayesian Ideal Point Estimation Using Twitter Data.” Political Analysis 23(1): 76–91.Google Scholar

Bareket-Bojmel, Liad, Moran, Simone, and Shahar, Golan. 2016. “Strategic Self-Presentation on Facebook: Personal Motives and Audience Response to Online Behavior.” Computers in Human Behavior 55: 788–795.Google Scholar

Barnes, Robert. 2015. “Supreme Court Rules Gay Couples Nationwide Have a Right to Marry.” Washington Post (June 26).Google Scholar

Baron, Naomi. 2008. Always On: Language in an Online and Mobile World. New York: Oxford University Press.Google Scholar

Baum, Matthew A. 2003. “Soft News and Political Knowledge: Evidence of Absence or Absence of Evidence?” Political Communication 20(2): 173–190.Google Scholar

Baum, Matthew A. and Kernell, Samuel. 1999. “Has Cable Ended the Golden Age of Presidential Television?” American Political Science Review 93(1): 99–114.Google Scholar

Baumgartner, Jody. 2008. “American Youth and the Effects of Online Political Humor,” in Baumgartner, Jody C. and Morris, Jonathan S. (eds.), Laughing Matters: Humor and American Politics in the Media Age. New York: Routledge.Google Scholar

Baumgartner, Jody and Morris, Jonathan S.. 2006. “The Daily Show Effect: Candidate Evaluations, Efficacy, and American Youth.” American Politics Research 34(3): 341–367.Google Scholar

Beam, Christopher. 2008. “One-Armed Vegetarian Live-In Boyfriends: The Quest for This Year’s Sexy Swing Demographic.” Slate, www.slate.com/articles/news_and_politics/politics/2008/07/onearmed_vegetarian_livein_boyfriends.html.Google Scholar

Becker, David. 2016. “New State Data to Celebrate National Voter Registration Day.” ElectionInnovation.org (September 28).Google Scholar

Bennett, William J. 2012. “Republicans Lost the Culture War.” CNN (November 14), www.cnn.com/2012/11/14/opinion/bennett-gop-election/.Google Scholar

Benton, Joshua. 2011. “‘Like,’ ‘Share,’ and ‘Recommend’: How the Warring Verbs of Social Media Will Influence the News’ Future.” NiemanLab (February 28).Google Scholar

Berelson, Bernard Reuben, Lazarsfeld, Paul Felix, and MacPhee, William N.. 1954. Voting: A Study of Opinion Formation in a Presidential Campaign. University of Chicago Press.Google Scholar

Berinsky, Adam J., Huber, Gregory A., and Lenz, Gabriel S.. 2012. “Evaluating Online Labor Markets for Experimental Research: Amazon.com's Mechanical Turk.” Political Analysis 20(3): 351–368.Google Scholar

Berlet, Chip and Clarkson, Frederick. 2008. “Culture Wars, Evangelicals, and Political Power: Lessons from the 2008 Presidential Election.” The Public Eye Magazine, www.publiceye.org/magazine/v23n4/culture_war_2008.html.Google Scholar

Bimber, Bruce. 2001. “Information and Political Engagement in America: The Search for Effects of Information Technology at the Individual Level.” Political Research Quarterly 54(1): 53–67.Google Scholar

Bishop, Bill. 2008. The Big Sort: Why the Clustering of Like-Minded America Is Tearing Us Apart. New York: Houghton Mifflin Harcourt.Google Scholar

Bond, Jon R. and Fleisher, Richard (eds.). 2000. Polarized Politics: Congress and the President in the Partisan Era. Washington, DC: CQ Press College.Google Scholar

Bond, Robert M., Fariss, Christopher J., Jones, Jason J., et al. 2012. “A 61-Million-Person Experiment in Social Influence and Political Mobilization.” Nature 489(7415): 295–298.Google Scholar

Bond, Robert M., Settle, Jaime E., Fariss, Christopher J., et al. 2017. “Social Endorsement Cues and Political Participation.” Political Communication 34(2): 261–281.Google Scholar

Bond, Robert M. and Messing, Solomon. 2015. “Quantifying Social Media’s Political Space: Estimating Ideology from Publicly Revealed Preferences on Facebook.” American Political Science Review 109(1): 62–78.Google Scholar

Bourdieu, Pierre, Castel, Robert, Schnapper, Dominique, et al. 1965. Un art moyen: essai sur les usages sociaux de la photographie. Paris: Les éditions de Minuit.Google Scholar

Boyd, Danah. 2014. It’s Complicated: The Social Lives of Networked Teens. New Haven, CT: Yale University Press.Google Scholar

Boyd, Danah and Ellison, Nicole B.. 2007. “Social Network Sites: Definition, History, and Scholarship.” Journal of Computer-Mediated Communication 13(1): 210–230.Google Scholar

Brashears, Matthew E. 2011. “Small Networks and High Isolation? A Reexamination of American Discussion Networks.” Social Networks 33(4): 331–341.Google Scholar

Broockman, David and Kalla, Joshua. 2016. “Durably Reducing Transphobia: A Field Experiment on Door-to-Door Canvassing.” Science 352(6282): 220–224.Google Scholar

Broockman, David E. and Ryan, Timothy J.. 2016. “Preaching to the Choir: Americans Prefer Communicating to Copartisan Elected Officials.” American Journal of Political Science 60(4): 1093–1107.Google Scholar

Brown, Clifford E. 1982. “A False Consensus Bias in 1980 Presidential Preferences.” The Journal of Social Psychology 118(1): 137–138.Google Scholar

Budak, Ceren, Goel, Sharad, and Rao, Justin M.. 2016. “Fair and Balanced? Quantifying Media Bias through Crowdsourced Content Analysis.” Public Opinion Quarterly 80(S1): 250–271.Google Scholar

Bui, Quoctrung. 2016. “The Demographics Behind #InternsSoWhite.” TheUpshot.com (July 22).Google Scholar

Bullock, John G., Gerber, Alan S., Hill, Seth J., and Huber, Gregory A.. 2015. “Partisan Bias in Factual Beliefs about Politics.” Quarterly Journal of Political Science 10(4): 519–578.Google Scholar

Busby, Ethan, Howat, Adam, Rothschild, Jacob, and Shafranek, Richard. 2017. “Putting People into Boxes: The Correlates and Effects of Partisan and Racial Stereotypes.” Prepared for the annual meeting of the Southern Political Science Association New Orleans, LA, January 12–14.Google Scholar

Butler, Daniel M. and Neff Powell, Eleanor. 2014. “Understanding the Party Brand: Experimental Evidence on the Role of Valence.” Journal of Politics 76(2): 492–505.Google Scholar

Campbell, Angus, Converse, Philip E., Miller, Warren E., and Stokes, E. Donald. 1960. The American Voter. New York: Wiley.Google Scholar

Carlin, Ryan E. and Love, Gregory J.. 2013. “The Politics of Interpersonal Trust and Reciprocity: An Experimental Approach.” Political Behavior 35(1): 43–63.Google Scholar

Carlson, Taylor N. and Settle, Jaime E.. 2016. “Political Chameleons: An Exploration of Conformity in Political Discussions.” Political Behavior 38(4): 817–859.Google Scholar

Carmines, Edward G. and Stimson, James A.. 1982. “Racial Issues and the Structure of Mass Belief Systems.” Journal of Politics 44(1): 2–20.Google Scholar

Carney, Dana R., Jost, John T., Gosling, Samuel D., and Potter, Jeff. 2008. “The Secret Lives of Liberals and Conservatives: Personality Profiles, Interaction Styles, and the Things They Leave Behind.” Political Psychology 29(6): 807–840.Google Scholar

Carpenter, Christopher J. 2012. “Narcissism on Facebook: Self-Promotional and Anti-Social behavior.” Personality and Individual Differences 52(4): 482–486.Google Scholar

Carter, Bill. 2012. “Republicans Like Golf, Democrats Prefer Cartoons, TV Research Suggests.” The New York Times (October 11).Google Scholar

Chambers, John R., Schlenker, B. R., and Collisson, B.. 2013. “Ideology and Prejudice: The Role of Value Conflicts.” Psychological Science 24(2): 140–149.Google Scholar

Chambers, John R. and Melnyk, Darya. 2006. “Why Do I Hate Thee? Conflict Misperceptions and Intergroup Mistrust.” Personality and Social Psychology Bulletin 32(10): 1295–1311.Google Scholar

Chambers, John R., Baron, Robert S., and Inman, Mary L.. 2006. “Misperceptions in Intergroup Conflict: Disagreeing about What We Disagree about.” Psychological Science 17(1): 38–45.Google Scholar

Cherny, Andrei. 2013. “Forget Soccer Moms and NASCAR Dads, in 2016 It’s about ALICE.” HuffPost (October 29), www.huffingtonpost.com/andrei-cherny/forget-soccer-moms-and-na_b_4174225.html.Google Scholar

Chong, Dennis and Druckman, James N.. 2007. “Framing Theory.” Annual Review of Political Science 10(1): 103–126.Google Scholar

Clinton, Joshua, Jackman, Simon, and Rivers, Douglas. 2004. “The Statistical Analysis of Roll Call Data.” American Political Science Review 98(2): 355–370.Google Scholar

Conover, Pamela Johnston, Searing, Donald D., and Crewe, Ivor M.. 2002. “The Deliberative Potential of Political Discussion.” British Journal of Political Science 32(1): 21–62.Google Scholar

Conover, Pamela Johnston and Feldman, Stanley. 1981. “The Origins and Meaning of Liberal/Conservative Self-Identifications.” American Journal of Political Science 25(4): 617–645.Google Scholar

Conroy, Meredith, Feezell, Jessica T., and Guerrero, Mario. 2012. “Facebook and Political Engagement: A Study of Online Political Group Membership and Offline Political Engagement.” Computers in Human Behavior 28(5): 1535–1546.Google Scholar

Constine, Josh. 2016. “How Facebook News Feed Works.” TechCrunch (September 6).Google Scholar

Converse, Philip E. 1964. “The Nature of Belief Systems in Mass Publics,” in Apter, D. E. (ed.), Ideology and Discontent. London: Free Press of Glencoe.Google Scholar

Coppock, Alexander, Guess, Andrew, and Ternovski, John. 2016. “When Treatments Are Tweets: A Network Mobilization Experiment over Twitter.” Political Behavior 38(1): 105–128.Google Scholar

Corneille, Olivier and Judd, Charles M.. 1999. “Accentuation and Sensitization Effects in the Categorization of Multifaceted Stimuli.” Journal of Personality and Social Psychology 77(5): 927–941.Google Scholar

Correll, J. and Park, B.. 2005. “A Model of the Ingroup as a Social Resource.” Personality and Social Psychology Review 9(4): 341–359.Google Scholar

Csikszentmihalyi, Mihaly. 1975. “Play and Intrinsic Rewards.” Journal of Humanistic Psychology 15(3): 41–63.Google Scholar

Csikszentmihalyi, Mihaly and Larson, Reed. 2014. “Validity and Reliability of the Experience-Sampling Method,” in Csikszentmihalyi, Mihaly, Flow and the Foundations of Positive Psychology: The Collected Works of Mihaly Csikszentmihalyi. Dordecht: Springer, pp. 35–54.Google Scholar

Darnton, Robert. 2011. Poetry and the Police. Harvard University Press.Google Scholar

Davis, Nicholas T. and Dunaway, Johanna L.. 2016. “Party Polarization, Media Choice, and Mass Partisan-Ideological Sorting.” Public Opinion Quarterly 80(S1): 272–297.Google Scholar

Davis, Richard, Bacha, Christina Holtz, and Just, Marion R. (eds.). 2016. Twitter and Elections around the World: Campaigning in 140 Characters or Less. New York: Routledge.Google Scholar

Dawes, Robyn M., David, Singer, and Lemons, Frank. 1972. “An Experimental Analysis of the Contrast Effect and Its Implications for Intergroup Communication and the Indirect Assessment of Attitude1.” Journal of Personality and Social Psychology 21(3): 281–295.Google Scholar

De Castella, Tom. 2012. “Five Ways the Digital Camera Changed Us.” BBC News (February 28).Google Scholar

Delli Carpini, Michael X. 2009. “Something’s Going on Here, But We Don’t Know What It Is: Measuring Citizens’ Exposure to Politically Relevant Information in the New Media Environment,” in King, Gary, Schlozman, Kay L., and Nie, Norman (eds.), The Future of Political Science: 100 Perspectives. New York: Routledge.Google Scholar

Delli Carpini, Michael X., Cook, Fay Lomax, and Jacobs, Lawrence R.. 2004. “Public Deliberation, Discursive Participation, and Citizen Engagement: A Review of the Empirical Literature.” Annual Review of Political Science 7(1): 315–344.Google Scholar

Delli Carpini, Michael X. and Keeter, Scott. 1997. What Americans Know about Politics and Why It Matters. New Haven, CT: Yale University Press.Google Scholar

Del Vicario, Michela, Bessi, Alessandro, Zollo, Fabiana, et al. 2016. “The Spreading of Misinformation Online.” Proceedings of the National Academy of Sciences 113(3): 554–559.Google Scholar

Devine, Christopher J. 2015. “Ideological Social Identity: Psychological Attachment to Ideological In-Groups as a Political Phenomenon and a Behavioral Influence.” Political Behavior 37(3): 509–535.Google Scholar

Dewey, Caitlin. 2016. “Facebook Has Repeatedly Trended Fake News Since Firing Its Human Editors.” Washington Post (October 12).Google Scholar

Dewey, Caitlin. 2016. “The Most Compelling Reason to Never Talk Politics on Facebook.” Washington Post (August 4).Google Scholar

Dewey, Caitlin. 2015. “More than 26 Million People Have Changed Their Facebook Picture to a Rainbow Flag. Here’s Why That Matters.”Washington Post (June 29), www.washingtonpost.com/news/the-intersect/wp/2015/06/29/more-than-26-million-people-have-changed-their-facebook-picture-to-a-rainbow-flag-heres-why-that-matters/.Google Scholar

Dickey, Megan Rose. 2013. “It’s Hard to Believe How Drastic the Changes to Facebook Have Been over the Years.” Business Insider, www.businessinsider.com/facebook-evolution-2013-3.Google Scholar

DiDonato, Theresa E., Ullrich, Johannes, and Krueger, Joachim I.. 2011. “Social Perception as Induction and Inference: An Integrative Model of Intergroup Differentiation, Ingroup Favoritism, and Differential Accuracy.” Journal of Personality and Social Psychology 100(1): 66–83.Google Scholar

Doherty, David. 2013. “To Whom Do People Think Representatives Should Respond: Their District or the Country?” Public Opinion Quarterly 77(1): 237–255.Google Scholar

Dowling, Conor M. and Wichowsky, Amber. 2015. “Attacks without Consequence? Candidates, Parties, Groups, and the Changing Face of Negative Advertising.” American Journal of Political Science 59(1): 19–36.Google Scholar

Druckman, James N., Peterson, Erik, and Slothuus, Rune. 2013. “How Elite Partisan Polarization Affects Public Opinion Formation.” American Political Science Review 107(1): 57–79.Google Scholar

Duggan, Maeve and Smith, Aaron. 2016. “The Political Environment on Social Media.” Pew Research Center Report, released October 25.Google Scholar

Dunbar, Robin. 2016. “Do Online Social Media Cut through the Constraints that Limit the Size of Offline Social Networks?” Royal Society Open Science 3(1): 150292.Google Scholar

Dunbar, Robin. 1998. Grooming, Gossip, and the Evolution of Language. Harvard University Press.Google Scholar

Dunham, Yarrow, Arechar, Antonio A., and Rand, David G.. 2016. “From Foe to Friend and Back Again: The Temporal Dynamics of Intra-Party Bias in the 2016 U.S. Presidential Election,” https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2846915.Google Scholar

The Economist. 2008. “Endless Culture War: Pastimes and Preachers May Matter as Much as Guns and Butter,” www.economist.com/node/12321661.Google Scholar

Eliasoph, Nina. 1998. Avoiding Politics: How Americans Produce Apathy in Everyday Life. Cambridge University Press.Google Scholar

Ellemers, Naomi, Spears, Russell, and Doosje, Bertjan. 2002. “Self and Social Identity.” Annual Review of Psychology 53(1): 161–186.Google Scholar

Ellis, Christopher and Stimson, James A.. 2012. Ideology in America. Cambridge University Press.Google Scholar

Epstein, Reid J. 2014. “Liberals Eat Here. Conservatives Eat There.” The Wall Street Journal Online, http://blogs.wsj.com/washwire/2014/05/02/liberals-eat-here-conservatives-eat-there/.Google Scholar

Eriksson, Kimmo and Funcke, Alexander. 2015. “A Below‐Average Effect with Respect to American Political Stereotypes on Warmth and Competence.” Political Psychology 36(3): 341–350.Google Scholar

Esralew, S. and Young, D.. 2012. “The Influence of Parodies on Mental Models: Exploring the Tina Fey–Sarah Palin Phenomenon.” Communication Quarterly 60(3): 338–352.Google Scholar

Evans, Heather K. and Clark, Jennifer Hayes. 2016. “‘You Tweet Like a Girl!’ How Female Candidates Campaign on Twitter.” American Politics Research 44(2): 326–352.Google Scholar

Facebook Data Science Blog. 2014. “Politics and Culture on Facebook in the 2014 Midterm Elections.” October 28, www.facebook.com/data/.Google Scholar

Facebook Press Team. 2014. “The Ice Bucket Challenge on Facebook.” Facebook Newsroom, http://newsroom.fb.com/news/2014/08/the-ice-bucket-challenge-on-facebook/.Google Scholar

Feeney, Nolan. 2015. “Facebook’s New Photo Filter Lets You Show Solidarity with Paris.” TIME, http://time.com/4113171/paris-attacks-facebook-filter-french-flag-profile-picture/.Google Scholar

Feezell, Jessica T. 2018. “Agenda Setting through Social Media: The Importance of Incidental News Exposure and Social Filtering in the Digital Era.” Political Research Quarterly, forthcoming.Google Scholar

Fields, James M. and Schuman, Howard. 1976. “Public Beliefs about the Beliefs of the Public.” Public Opinion Quarterly 40(4): 427–448.Google Scholar

Fiorina, Morris P. 2013. “America’s Polarized Politics: Causes and Solutions.” Perspectives on Politics 11(3): 852–859.Google Scholar

Fiorina, Morris P. and Abrams, Samuel J.. 2008. “Political Polarization in the American Public.” Annual Review of Political Science 11: 563–588.Google Scholar

Fiorina, Morris P., Abrams, Samuel A., and Pope, Jeremy C.. 2008. “Polarization in the American Public: Misconceptions and Misreadings.” The Journal of Politics 70(2): 556–560.Google Scholar

Fishkin, James S. and Luskin, Robert C.. 2005. “Experimenting with a Democratic Ideal: Deliberative Polling and Public Opinion.” Acta Politica 40(3): 284–298.Google Scholar

Fitzgerald, Jennifer. 2013. “What Does “Political” Mean to You?” Political Behavior 35(3): 453–479.Google Scholar

Flaxman, Seth, Goel, Sharad, and Rao, Justin. 2016. “Filter Bubbles, Echo Chambers, and Online News Consumption.” Public Opinion Quarterly 80(S1): 298–320.Google Scholar

Gaines, Brian J., Kuklinski, James H., Quirk, Paul J., Peyton, Buddy, and Verkuilen, Jay. 2007. “Same Facts, Different Interpretations: Partisan Motivation and Opinion on Iraq.” Journal of Politics 69(4): 957–974.Google Scholar

Gainous, Jason and Wagner, Kevin. 2013. Tweeting to Power: The Social Media Revolution in American Politics. Oxford University Press.Google Scholar

Gardiner, Bryan. 2015. “You’ll Be Outraged at How Easy It Was to Get You to Click on This Headline.” Wired (December 18).Google Scholar

Garner, Andrew and Palmer, Harvey. 2011. “Polarization and Issue Consistency over Time.” Political Behavior 33(2): 225–246.Google Scholar

Garrett, R. Kelly. 2013. “Selective Exposure: New Methods and New Directions.” Communication Methods and Measures 7(3–4): 247–256.Google Scholar

Garrett, R. Kelly, Carnahan, Dustin, and Lynch, Emily K.. 2013. “A Turn Toward Avoidance? Selective Exposure to Online Political Information, 2004–2008.” Political Behavior 35(1): 113–134.Google Scholar

Garrett, R. Kelly, Gvirsman, Shira Dvir, Johnson, Benjamin K., et al. 2014. “Implications of Pro‐ and Counterattitudinal Information Exposure for Affective Polarization.” Human Communication Research 40(3): 309–332.Google Scholar

Gee, Laura K., Jones, Jason, and Burke, Moira. 2017. “Social Networks and Labor Markets: How Strong Ties Relate to Job Finding on Facebook’s Social Network.” Journal of Labor Economics 35(2): 485–518.Google Scholar

Gelman, Andrew. 2009. Red State, Blue State, Rich State, Poor State: Why Americans Vote the Way They Do. Princeton University Press.Google Scholar

Gentzkow, Matthew and Shapiro, Jesse M.. 2011. “Ideological Segregation Online and Offline.” Quarterly Journal of Economics 126(4): 1799–1839.Google Scholar

Gerber, Alan S., Huber, Gregory A., Doherty, David, and Dowling, Conor M.. 2012. “Disagreement and the Avoidance of Political Discussion: Aggregate Relationships and Differences across Personality Traits.” American Journal of Political Science 56(4): 849–874.Google Scholar

Gerber, Alan S., Huber, Gregory A., Doherty, David, et al. “Personality and Political Attitudes: Relationships across Issue Domains and Political Contexts.” American Political Science Review 104(1): 111–133.Google Scholar

Gervais, Bryan T. 2015. “Incivility Online: Affective and Behavioral Reactions to Uncivil Political Posts in a Web-Based Experiment.” Journal of Information Technology & Politics 12(2): 167–185.Google Scholar

Gibson, James J. 1977. “The Theory of Affordances,” in Shaw, R. and Bransford, J. (eds.), Perceiving, Acting, and Knowing: Toward an Ecological Psychology. Hillsdale, NJ: Erlbaum, pp. 67–82.Google Scholar

Gift, Karen and Gift, Thomas. 2015. “Does Politics Influence Hiring? Evidence from a Randomized Experiment.” Political Behavior 37(3): 653–675.Google Scholar

Gil de Zúñiga, Homero, Molyneux, Logan, and Zheng, Pei. 2014. “Social Media, Political Expression, and Political Participation: Panel Analysis of Lagged and Concurrent Relationships.” Journal of Communication 64(4): 612–634.Google Scholar

Gilens, Martin. 1999. Why Americans Hate Welfare: Race, Media, and the Politics of Antipoverty Policy. University of Chicago Press.Google Scholar

Gilovich, Thomas. 1990. “Differential Construal and the False Consensus Effect.” Journal of Personality and Social Psychology 59(4): 623–634.Google Scholar

Gimpel, James G. and Hui, Iris S.. 2015. “Seeking Politically Compatible Neighbors? The Role of Neighborhood Partisan Composition in Residential Sorting.” Political Geography 48: 130–142.Google Scholar

Gladwell, Malcolm. 2010. “Small Change: Why the Revolution Will Not Be Tweeted.” The New Yorker (October 4).Google Scholar

Glassman, Matthew E., Straus, Jacob R., and Shogan, Colleen J.. 2013. “Social Networking and Constituent Communications: Members’ Use of Twitter and Facebook During a Two-Month Period in the 112th Congress.” Congressional Research Service report R43018.Google Scholar

Goethals, George R., Allison, Shelley Jean, and Frost, Marnie. 1979. “Perceptions of the Magnitude and Diversity of Social Support.” Journal of Experimental Social Psychology 15(6): 570–581.Google Scholar

Goette, Lorenz, Huffman, David, and Meier, Stephan. 2012. “The Impact of Social Ties on Group Interactions: Evidence from Minimal Groups and Randomly Assigned Real Groups.” American Economic Journal: Microeconomics 4(1): 101–115.Google Scholar

Goffman, Erving. 1959. The Presentation of Self in Everyday Life. Garden City, NY: Anchor.Google Scholar

Golbeck, Jennifer, Grimes, Justin M., and Rogers, Anthony. 2010. “Twitter Use by the U.S. Congress.” Journal of the American Society for Information and Technology 61(8): 1612–1621.Google Scholar

Gottfried, Jeffrey and Shearer, Elisa. 2016. “News Use across Social Media Platforms 2016.” Pew Research Report, released May 26.Google Scholar

Gottfried, Jeffrey, Barthel, Michael, and Shearer, Elisa. 2016. “Changing a Social Media Profile Picture is One Way to Express Support or Solidarity.” Pew Research Center’s Fact Tank Blog (March 28).Google Scholar

Graber, Doris A. and Holyk, Gregory G.. 2011. “The News Industry,” in Shapiro, Robert and Jacobs, Lawrence (eds.), Oxford Handbook of American Public Opinion and the Media. Oxford University Press.Google Scholar

Graham, Jesse, Nosek, Brian A., and Haidt, Jonathan. 2012. “The Moral Stereotypes of Liberals and Conservatives: Exaggeration of Differences across the Political Spectrum.” PLoS ONE 7(12): e50092.Google Scholar

Graham, Jesse, Haidt, Jonathan, and Nosek, Brian A.. 2009. “Liberals and Conservatives Rely on Different Sets of Moral Foundations.” Journal of Personality and Social Psychology 96(5): 1029–1046.Google Scholar

Granberg, Donald. 1987. “Candidate Preference, Membership Group, and Estimates of Voting Behavior.” Social Cognition 5(4): 323–335.Google Scholar

Granberg, Donald and Brent, Edward. 1983. “When Prophecy Bends: The Preference–Expectation Link in US Presidential Elections, 1952–1980.” Journal of Personality and Social Psychology 45(3): 477–491.Google Scholar

Green, Donald P., Palmquist, Bradley, and Schickler, Eric. 2002. Partisan Hearts and Minds: Political Parties and the Social Identities of Voters. New Haven, CT: Yale University Press.Google Scholar

Greene, Steven. 2002. “The Social-Psychological Measurement of Partisanship.” Political Behavior 24(3): 171–197.Google Scholar

Greenwood, Shannon, Perrin, Andrew, and Duggan, Maeve. 2016. “Social Media Update 2016.” Pew Research Center Report, released November 11.Google Scholar

Groeling, Tim. 2013. “Media Bias by the Numbers: Challenges and Opportunities in the Empirical Study of Partisan News.” Annual Review of Political Science 16: 129–151.Google Scholar

Groseclose, Tim. 2011. Left Turn: How Liberal Media Bias Distorts the American Mind. New York: Macmillan.Google Scholar

Groseclose, Tim and Milyo, Jeffrey. 2005. “A Measure of Media Bias.” The Quarterly Journal of Economics 120(4): 1191–1237.Google Scholar

Gulati, Girish J. and Williams, Christine B.. 2013. “Social Media and Campaign 2012: Developments and Trends for Facebook Adoption.” Social Science Computer Review 31(5): 577–588.Google Scholar

Gye, Lisa. 2007. “Picture This: The Impact of Mobile Camera Phones on Personal Photographic Practices.” Continuum: Journal of Media & Cultural Studies 21(2): 279–288.Google Scholar

Halpern, Daniel, Valenzuela, Sebastián, and Katz, James E.. 2016. “‘Selfie-ists’ or ‘Narci-Selfiers’?: A Cross-Lagged Panel Analysis of Selfie Taking and Narcissism.” Personality and Individual Differences 97: 98–101.Google Scholar

Hamilton, James T. 2004. All the News that’s Fit to Sell: How the Market Transforms Information into News. Princeton University Press.Google Scholar

Hampton, Keith N. 2011. “Comparing Bonding and Bridging Ties for Democratic Engagement: Everyday Use of Communication Technologies within Social Networks for Civic and Civil Behaviors.” Information, Communication & Society 14(4): 510–528.Google Scholar

Hampton, Keith N., Goulet, Lauren Sessions, Marlow, Cameron, and Lee, Rainie. 2012. “Why Most Facebook Users Get More than They Give.” Pew Research Center Report, released February 3.Google Scholar

Hampton, Keith N., Rainie, L., Lu, W., et al. 2014. “Social Media and the ‘Spiral of Silence.’” Pew Research Center Report, released August 26.Google Scholar

Hayes, Andrew F., Glynn, Carroll J., and Shanahan, James. 2005. “Willingness to Self-Censor: A Construct and Measurement Tool for Public Opinion Research.” International Journal of Public Opinion Research 17(3): 298–323.Google Scholar

Heimlich, Russell. 2012. “Number of Americans Who Read Print Newspapers Continues Decline.” Pew Research Center’s Fact Tank Blog (October 11).Google Scholar

Herrera, Tim. 2014. “What Facebook Doesn’t Show You.” Washington Post (August 18).Google Scholar

Hersh, Eitan D. and Schaffner, Brian F.. 2013. “Targeted Campaign Appeals and the Value of Ambiguity.” Journal of Politics 75(2): 520–534.Google Scholar

Hetherington, Marc J. 2001. “Resurgent Mass Partisanship: The Role of Elite Polarization.” American Political Science Review 95(3): 619–631.Google Scholar

Hetherington, Marc J. and Weiler, Jonathan D.. 2009. “Threat and Authoritarianism: Polarization or Convergence,” in Authoritarianism and Polarization in American Politics. Cambridge University Press, pp. 109–133.Google Scholar

Hetherington, Marc J. and Weiler, Jonathan D.. 2018. Prius or Pickup?: How the Answers to Four Simple Questions Explain America’s Great Divide. Boston: Houghton Mifflin Harcourt.Google Scholar

Hetherington, Marc J., Long, Meri T., and Rudolph, Thomas J.. 2016. “Revisiting the Myth.” Public Opinion Quarterly 80(S1): 321–350.Google Scholar

Hetherington, Marc J. and Rudolph, Thomas J.. 2015. Why Washington Won’t Work: Polarization, Political Trust, and the Governing Crisis. University of Chicago Press.Google Scholar

Hibbing, Matthew V., Ritchie, Melinda, and Anderson, Mary R.. 2011. “Personality and Political Discussion.” Political Behavior 33(4): 601–624.Google Scholar

Hogg, Michael A., Abrams, Dominic, Otten, Sabine, and Hinkle, Steve. 2004. “The Social Identity Perspective Intergroup Relations, Self-Conception, and Small Groups.” Small Group Research 35(3): 246–276.Google Scholar

Hongo, Hudson. 2017. “Facebook Finally Rolls Out ‘Disputed News’ Tag Everyone Will Dispute.” Gizmodo (March 3).Google Scholar

Horwitz, S. Nechama and Nir, Lilach. 2015. “How Politics-News Parallelism Invigorates Partisanship Strength.” International Political Science Review 36(2): 153–167.Google Scholar

Huber, Gregory and Paris, Celia. 2013. “Assessing the Programmatic Equivalence Assumption in Question Wording Experiments: Understanding Why Americans Like Assistance to the Poor More than Welfare.” Public Opinion Quarterly 77(1): 385–397.Google Scholar

Huckfeldt, R. Robert. 1983. “Social Contexts, Social Networks, and Urban Neighborhoods: Environmental Constraints on Friendship Choice.” American Journal of Sociology 89(3): 651–669.Google Scholar

Huckfeldt, Robert and Morehouse Mendez, Jeanette. 2008. “Moths, Flames, and Political Engagement: Managing Disagreement within Communication Networks.” The Journal of Politics 70(1): 83–96.Google Scholar

Huckfeldt, Robert and Sprague, John. 1995. Citizens, Politics, and Social Communication: Information and Influence in an Election Campaign. New York: Cambridge University Press.Google Scholar

Huckfeldt, Robert and Sprague, John. 1992. “Political Parties and Electoral Mobilization: Political Structure, Social Structure, and the Party Canvass.” American Political Science Review 86(1): 70–86.Google Scholar

Huckfeldt, Robert, Johnson, P., and Sprague, John. 2004. Political Disagreement: The Survival of Diverse Opinions within Communication Networks. New York: Cambridge University Press.Google Scholar

Huddy, Leonie, Mason, Lilliana, and Aarøe, Lene. 2015. “Expressive Partisanship: Campaign Involvement, Political Emotion, and Partisan Identity.” American Political Science Review 109(1): 1–17.Google Scholar

Hui, Iris. 2013. “Who Is Your Preferred Neighbor? Partisan Residential Preferences and Neighborhood Satisfaction.” American Politics Research 41(6): 997–1021.Google Scholar

Hunter, James Davison. 1991. Culture Wars: The Struggle to Define America. New York: Basic Books.Google Scholar

Hutchinson, Andrew. 2016. “New comScore Traffic Report Underlines the Strength of Facebook, Rise of Snapchat.” Social Media Today (March 31).Google Scholar

Ingram, Mathew. 2015. “TV Engagement Secrets from Twitter, Everyone’s Favorite Second Screen.” Fortune (September 21).Google Scholar

Isaac, Mike. 2016. “Facebook Mounts Effort to Limit Tide of Fake News.” The New York Times (December 15).Google Scholar

Iyengar, Shanto, Sood, Gaurav, and Lelkes, Yphtach. 2012. “Affect, Not Ideology: A Social Identity Perspective on Polarization.” Public Opinion Quarterly 76(3): 405–431.Google Scholar

Iyengar, Shanto and Hahn, Kyu S.. 2009. “Red Media, Blue Media: Evidence of Ideological Selectivity in Media Use.” Journal of Communication 59(1): 19–39.Google Scholar

Iyengar, Shanto and Westwood, Sean J.. 2015. “Fear and Loathing across Party Lines: New Evidence on Group Polarization.” American Journal of Political Science 59(3): 690–707.Google Scholar

Jacobs, Lawrence and Shapiro, Robert Y.. 2011. “Informational Interdependence: Public Opinion and the Media in the New Communications Era,” in Shapiro, Robert and Jacobs, Lawrence (eds.), Oxford Handbook of American Public Opinion and the Media. New York: Oxford University Press, pp. 3–21.Google Scholar

Jacobson, Gary C. 2006. “The Polls: Polarized Opinion in the States: Partisan Differences in Approval Ratings of Governors, Senators, and George W. Bush.” Presidential Studies Quarterly 36(4): 732–757.Google Scholar

Jacobson, Gary C. 2004. “Explaining the Ideological Polarization of the Congressional Parties in the Postwar Era.” Legislative Studies Quarterly 29(3): 474–475.Google Scholar

Jenkins, Henry. 2006. Convergence Culture: Where Old and New Media Collide. New York University Press.Google Scholar

Jennings, M. Kent and Zeitner, Vicki. 2003. “Internet Use and Civic Engagement: A Longitudinal Analysis.” Public Opinion Quarterly 67(3): 311–334.Google Scholar

Jetten, Jolanda, Spears, Russell, and Postmes, Tom. 2004. “Intergroup Distinctiveness and Differentiation: A Meta-Analytic Integration.” Journal of Personality and Social Psychology 86(6): 862–879.Google Scholar

Jones, Edward E. and McGillis, Daniel. 1976. “Correspondent Inferences and the Attribution Cube: A Comparative Reappraisal,” in Harvey, J. H., Ickes, W., and Kidd, R. F. (eds.), New Directions in Attribution Research. Hillsdale, NJ: Erlbaum, vol. 1, pp. 389–420.Google Scholar

Jones, Jason J., Settle, Jaime E., Bond, Robert M., et al. 2013. “Inferring Tie Strength from Online Directed Behavior.” PLoS ONE 8(1): e52168.Google Scholar

Jones, Jason J., Bond, Robert M., Bakshy, Eytan, et al. 2017. “Social Influence and Political Mobilization: Further Evidence from a Randomized Experiment in the 2012 U.S. Presidential Election.” PLoS ONE 12(4): e0173851.Google Scholar

Jost, John T. 2006. “The End of the End of Ideology.” American Psychologist 61(7): 651–670.Google Scholar

Jost, John T., Federico, Christopher M., and Napier, Jaime L.. 2009. “Political Ideology: Its Structure, Functions, and Elective Affinities.” Annual Review of Psychology 60(1): 307–337.Google Scholar

Jost, John T., Glaser, Jack, Kruglanski, Arie W., and Sulloway, Frank J.. 2003. “Exceptions that Prove the Rule – Using a Theory of Motivated Social Cognition to Account for Ideological Incongruities and Political Anomalies: Reply to Greenberg and Jonas (2003).” Psychological Bulletin 129(3): 383–393.Google Scholar

Judd, Charles M. and Johnson, Joel T.. 1981. “Attitudes, Polarization, and Diagnosticity: Exploring the Effect of Affect.” Journal of Personality and Social Psychology 41(1): 26–36.Google Scholar

Jungherr, Andreas. 2016. “Twitter Use in Election Campaigns: A Systematic Literature Review.” Journal of Information Technology & Politics 13(1): 72–91.Google Scholar

Just, Marion R. 2011. “What’s News: A View from the Twenty-First Century,” in Shapiro, Robert and Jacobs, Lawrence (eds.), Oxford Handbook of American Public Opinion and the Media. New York: Oxford University Press, pp. 105–121.Google Scholar

Juster, F. Thomas, Ono, Hiromi, and Stafford, Frank P.. 2003. “An Assessment of Alternative Measures of Time Use.” Sociological Methodology 33(1): 19–54.Google Scholar

Kahneman, Daniel. 2011. Thinking, Fast and Slow. New York: Macmillan.Google Scholar

Katz, Elihu. 1957. “The Two-Step Flow of Communication: An Up-to-Date Report on an Hypothesis.” Public Opinion Quarterly 21(1): 61–78.Google Scholar

Katz, Elihu and Lazarsfeld, F. Paul. 1955. Personal Influence: The Part Played by People in the Flow of Mass Communication. Glencoe, IL: The Free Press.Google Scholar

Katz, Josh. 2016. “‘Duck Dynasty’ vs. ‘Modern Family’: 50 Maps of the U.S. Cultural Divide.” The Upshot in The New York Times, www.nytimes.com/interactive/2016/12/26/upshot/duck-dynasty-vs-modern-family-television-maps.html.Google Scholar

Kaye, Barbara K. and Johnson, Thomas J.. 2004. “A Web for All Reasons: Uses and Gratifications of Internet Components for Political Information.” Telematics and Informatics 21(3): 197–223.Google Scholar

Kennedy, Merrit. 2016. “More than 1 Million ‘Check in’ on Facebook to Support the Standing Rock Sioux.” NPR (November 1).Google Scholar

Kenski, Kate and Stroud, Natalie Jomini. 2006. “Connections between Internet Use and Political Efficacy, Knowledge, and Participation.” Journal of Broadcasting & Electronic Media 50(2): 173–192.Google Scholar

Khan, R., Misra, K., and Singh, V.. 2013. “Ideology and Brand Consumption.” Psychological Science 24(3): 326–333.Google Scholar

Kim, Tonghoon, Atkin, David J., and Lin, Carolyn A.. 2016. “The Influence of Social Networking Sites on Political Behavior: Modeling Political Involvement via Online and Offline Activity.” Journal of Broadcasting & Electronic Media 60(1): 23–39.Google Scholar

Kimball, David C., Summary, Bryce, and Vorst, Eric C.. 2014. “Political Identity and Party Polarization in the American Electorate,” in Green, John C., Coffey, Daniel J., and Cohen, David B. (eds.), The State of the Parties, 7th edn. Boulder, CA: Rowman & Littlefield, pp. 37–54.Google Scholar

Klar, Samara and Krupnikov, Yanna. 2016. Independent Politics: How American Disdain for Parties Leads to Political Inaction. New York: Cambridge University Press.Google Scholar

Klofstad, Casey A., Sokhey, Anand Edward, and McClurg, Scott D.. 2013. “Disagreeing about Disagreement: How Conflict in Social Networks Affects Political Behavior.” American Journal of Political Science 57(1): 120–134.Google Scholar

Klofstad, Casey A., Mcdermott, Rose, and Hatemi, Peter K.. 2012. “Do Bedroom Eyes Wear Political Glasses? The Role of Politics in Human Mate Attraction.” Evolution and Human Behavior 33(2): 100–108.Google Scholar

Klofstad, Casey A., McClurg, S. D., and Rolfe, M.. 2009. “Measurement of Political Discussion Networks: A Comparison of Two ‘Name Generator’ Procedures.” Public Opinion Quarterly 73(3): 462–483.Google Scholar

Knobloch-Westerwick, Silvia. 2012. “Selective Exposure and Reinforcement of Attitudes and Partisanship before a Presidential Election.” Journal of Communication 62(4): 628–642.Google Scholar

Knobloch-Westerwick, Silvia and Kleinman, Steven B.. 2012. “Preelection Selective Exposure: Confirmation Bias Versus Informational Utility.” Communication Research 39(2): 170–193.Google Scholar

Koc, Mustafa and Gulyagci, S.. 2013. “Facebook Addiction among Turkish College Students: The Role of Psychological Health, Demographic, and Usage Characteristics.” Cyberpsychology, Behavior, and Social Networking 16(4): 279–284.Google Scholar

Koestner, Richard, Losier, Gaëtan F., Worren, Nicolay M., et al. 1995. “False Consensus Effects for the 1992 Canadian Referendum.” Canadian Journal of Behavioural Science / Revue Canadienne des Sciences du Comportement 27(2): 214–225.Google Scholar

Kosinski, Michal, Stillwell, David, and Graepel, Thore. 2013. “Private Traits and Attributes Are Predictable from Digital Records of Human Behavior.” Proceedings of the National Academy of Sciences 110(15): 5802–5805.Google Scholar

Kramer, Adam D. I., Guillory, Jamie E., and Hancock, Jeffrey T.. 2014. “Experimental Evidence of Massive-Scale Emotional Contagion through Social Networks.” Proceedings of the National Academy of Sciences 111(24): 8788–8790.Google Scholar

Kreiss, Daniel. 2016. “Seizing the Moment: The Presidential Campaigns’ Use of Twitter During the 2012 Electoral Cycle.” New Media & Society 18(8): 1473–1490.Google Scholar

Kriner, Douglas and Shen, Francis X.. 2012. “How Citizens Respond to Combat Casualties: The Differential Impact of Local Casualties on Support for the War in Afghanistan.” Public Opinion Quarterly 76(4): 761–770.Google Scholar

Krueger, J. and Clement, R. W.. 1994. “The Truly False Consensus Effect: An Ineradicable and Egocentric Bias in Social Perception.” Journal of Personality and Social Psychology 67(4): 596–610.Google Scholar

Kull, Steven, Ramsay, Clay, and Lewis, Evan. 2003. “Misperceptions, the Media, and the Iraq War.” Political Science Quarterly 118(4): 569–598.Google Scholar

Kunda, Ziva. 1990. “The Case for Motivated Reasoning.” Psychological Bulletin 108(3): 480–498.Google Scholar

Laband, David N., Pandit, Ram, Sophocleus, John P., and Laband, Anne M.. 2009. “Patriotism, Pigskins, and Politics: An Empirical Examination of Expressive Behavior and Voting.” Public Choice 138(1): 97–108.Google Scholar

Lake, Ronald La Due and Huckfeldt, Robert. 1998. “Social Capital, Social Networks, and Political Participation.” Political Psychology 19(3): 567–584.Google Scholar

LaMarre, Heather L., Landreville, Kristen D., Young, Dannagal, and Gilkerson, Nathan. 2014. “Humor Works in Funny Ways: Examining Satirical Tone as a Key Determinant in Political Humor Message Processing.” Mass Communication and Society 17(3): 400–423.Google Scholar

Lane, Robert E. 1955. “Voting: A Study of Opinion Formation in a Presidential Campaign. By Berelson Bernard R., Lazarsfeld Paul F., and McPhee William N. (Chicago: The University of Chicago Press. 1954. Pp. Ix, 395).” American Political Science Review 49(2): 529–531.Google Scholar

Lassen, David S. and Brown, Adam R.. 2010. “Twitter: The Electoral Connection?” Paper prepared for presentation at the annual meeting of the Midwest Political Science Association, held in Chicago, Illinois, April 21–25.Google Scholar

Lawrence, Dallas. 2010. “How Political Activists Are Making the Most of Social Media.” Forbes, www.forbes.com/2010/07/15/social-media-social-activism-facebook-twitter-leadership-citizenship-burson.html.Google Scholar

Lavine, Howard G., Johnston, Christopher D., and Steenbergen, Marco R.. 2012. The Ambivalent Partisan: How Critical Loyalty Promotes Democracy. Oxford University Press.Google Scholar

Lazarsfeld, Paul F., Berelson, Bernard, and Gaudet, Hazel. 1944. The People’s Choice: How the Voter Makes Up His Mind in a Presidential Election. New York: Duell, Sloan and Pearce.Google Scholar

Lazer, David, Rubineau, Brian, Chetkovich, Carol, et al. 2010. “The Coevolution of Networks and Political Attitudes.” Political Communication 27(3): 248–274.Google Scholar

Leasca, Stacey. 2016. “Here’s Why People Are Changing Their Facebook Profile Photos to a Red Square.” Elite Daily, http://elitedaily.com/news/facebook-profile-photo-red-square/1482528.Google Scholar

Lee, Eunsun, Kim, Yeo Jung, and Ahn, Jungsun. 2014. “How Do People Use Facebook Features to Manage Social Capital?” Computers in Human Behavior 36(C): 440–445.Google Scholar

Lee, Timothy. 2016. “Facebook Is Harming Our Democracy, and Mark Zuckerberg Needs to Do Something About It.” Vox.com (November 10).Google Scholar

Lee-Won, Roselyn J., Herzog, Leo, and Park, Sung Gwan. 2015. “Hooked on Facebook: The Role of Social Anxiety and Need for Social Assurance in Problematic Use of Facebook.” Cyberpsychology, Behavior, and Social Networking 18(10): 567–574.Google Scholar

Lelkes, Yphtach. 2016. “Mass Polarization: Manifestations and Measurements.” Public Opinion Quarterly 80(S1): 392–410.Google Scholar

Lelkes, Yphtach, Sood, Gaurav, and Iyengar, Shanto. 2017. “The Hostile Audience: The Effect of Access to Broadband Internet on Partisan Affect.” American Journal of Political Science 61(1): 5–20.Google Scholar

Lenhart, Amanda. 2015. “Teens, Social Media, and Technology Overview 2015.” Pew Research Center, released on April 9.Google Scholar

Lerman, K., Yan, X., and Wu, X. Z. 2016. “The ‘Majority Illusion’ in Social Networks.” PLoS ONE 11(2): e0147617.Google Scholar

Leroy, Car. 1968. “Editorial Cartoons Fail to Reach Many Viewers.” Journalism Quarterly 45: 533–535.Google Scholar

Levendusky, Matthew S. 2018. “Americans, Not Partisans: Can Priming American National Identity Reduce Affective Polarization?” Journal of Politics 80(1): 59–70.Google Scholar

Levendusky, Matthew S. 2013. How Partisan Media Polarize America. University of Chicago Press.Google Scholar

Levendusky, Matthew S. 2010. “Clearer Cues, More Consistent Voters: A Benefit of Elite Polarization.” Political Behavior 32(1): 111–131.Google Scholar

Levendusky, Matthew S. 2009. The Partisan Sort: How Liberals Became Democrats and Conservatives Became Republicans. University of Chicago Press.Google Scholar

Levendusky, Matthew S. and Malhotra, Neil. 2016a. “(Mis)perceptions of Partisan Polarization in the American Public.” Public Opinion Quarterly 80(S1): 378–391.Google Scholar

Levendusky, Matthew S. and Malhotra, Neil. 2016b. “Does Media Coverage of Partisan Polarization Affect Political Attitudes?” Political Communication 33(2): 283–301.Google Scholar

Levitan, Lindsey C. and Verhulst, Brad. 2016. “Conformity in Groups: The Effects of Others’ Views on Expressed Attitudes and Attitude Change.” Political Behavior 38(2): 277–315.Google Scholar

Leyens, Jacques-Philippe, Yzerbyt, Vincent Y., and Schadron, Georges. 1994. Stereotypes and Social Cognition. London: Sage Publications.Google Scholar

Lind, Michael. 2016. “This Is What the Future of American Politics Looks Like.” Politico Magazine (May 22), www.politico.com/magazine/story/2016/05/2016-election-realignment-partisan-political-party-policy-democrats-republicans-politics-213909.Google Scholar

Linville, Patricia W., Fischer, Gregory W., and Salovey, Peter. 1989. “Perceived Distributions of the Characteristics of In-Group and Out-Group Members: Empirical Evidence and a Computer Simulation.” Journal of Personality and Social Psychology 57(2): 165–188.Google Scholar

Lippmann, Walter. 1922. Public Opinion. New York: Macmillan.Google Scholar

Lombardini, John. 2013. “Civic Laughter: Aristotle and the Political Virtue of Humor.” Political Theory 41(2): 203–230.Google Scholar

Ludeke, Steven G. and Deyoung, Colin G.. 2014. “Differences in Negativity Bias Probably Underlie Variation in Attitudes toward Change Generally, Not Political Ideology Specifically.” Behavioral and Brain Sciences 37(3): 319–320.Google Scholar

Lupu, Noam. 2015. “Party Polarization and Mass Partisanship: A Comparative Perspective.” Political Behavior 37(2): 331–356.Google Scholar

Lupu, Noam. 2013. “Party Brands and Partisanship: Theory with Evidence from a Survey Experiment in Argentina.” American Journal of Political Science 57(1): 49–64.Google Scholar

Makse, Todd and Sokhey, Anand E.. 2014. “The Displaying of Yard Signs as a Form of Political Participation.” Political Behavior 36(1): 189–213.Google Scholar

Mandel, Bethany. 2017. “Facebook Dead at 12, a Victim of 2016.” The Federalist (February 1).Google Scholar

Manstead, Antony Stephen Reid. 1982. “Perceived Social Support for Opinions: A Test of the Magnitude and Diversity Hypotheses.” British Journal of Social Psychology 21(1): 35–41.Google Scholar

Markowicz, Karol. 2016. “You’re Ruining Facebook (and Friendships) with Political Rants.” New York Post (October 9).Google Scholar

Marks, Gary and Miller, Norman. 1987. “Ten Years of Research on the False-Consensus Effect: An Empirical and Theoretical Review.” Psychological Bulletin 102(1): 72–90.Google Scholar

Marsden, Peter V. 1987. “Core Discussion Networks of Americans.” American Sociological Review 52(1): 122–131.Google Scholar

Mason, Lilliana. 2018. Uncivil Agreement: How Politics Became Our Identity. University of Chicago Press.Google Scholar

Mason, Lilliana. 2015. “‘I Disrespectfully Agree’: The Differential Effects of Partisan Sorting on Social and Issue Polarization.” American Journal of Political Science 59(1): 128–145.Google Scholar

Mattes, Kyle and Redlawsk, David P.. 2014. The Positive Case for Negative Campaigning. University of Chicago Press.Google Scholar

Mauri, Maurizio, Cipresso, Pietro, Balgera, Anna, et al. 2011. “Why Is Facebook So Successful? Psychophysiological Measures Describe a Core Flow State While Using Facebook.” Cyberpsychology, Behavior, and Social Networking 14(12): 723–731.Google Scholar

McCarthy, Justin. 2014. “Trust in Mass Media Returns to All-Time Low.” Gallup (September 17).Google Scholar

McCarty, Nolan, Poole, Keith T., and Rosenthal, Howard. 2006. Polarized America: The Dance of Ideology and Unequal Riches. Cambridge, MA: MIT Press.Google Scholar

McClurg, Scott D. 2006. “Political Disagreement in Context: The Conditional Effect of Neighborhood Context, Disagreement and Political Talk on Electoral Participation.” Political Behavior 28(4): 349–366.Google Scholar

McCrae, Robert R. 1996. “Social Consequences of Experiential Openness.” Psychological Bulletin 120(3): 323–337.Google Scholar

McGerr, Michael E. 1986. The Decline of Popular Politics. New York: Oxford University Press.Google Scholar

McLeod, Jack M., Scheufele, Dietram A., and Moy, Patricia. 1999. “Community, Communication, and Participation: The Role of Mass Media and Interpersonal Discussion in Local Political Participation.” Political Communication 16(3): 315–336.Google Scholar

McPherson, Miller, Smith-Lovin, Lynn, and Cook, James M.. 2001. “Birds of a Feather: Homophily in Social Networks.” Annual Review of Sociology 27(1): 415–444.Google Scholar

McPherson, Miller, Smith-Lovin, Lynn, and Brashears, Matthew E.. 2006. “Social Isolation in America: Changes in Core Discussion Networks over Two Decades.” American Sociological Review 71(3): 353–375.Google Scholar

Meffert, Michael F., Chung, Sungeun, Joiner, Amber J., et al. 2016. “The Effects of Negativity and Motivated Information Processing During a Political Campaign.” Journal of Communication 56(1): 27–51.Google Scholar

Messing, Solomon. 2013. “Friends that Matter: How Social Transmission of Elite Discourse Shapes Political Knowledge, Attitudes, and Behavior.” A dissertation submitted to the Department of Communication and the Committee on Graduate Studies of Stanford University in partial fulfillment of the requirements for the degree of doctor of philosophy.Google Scholar

Messing, Solomon and Westwood, Sean J.. 2014. “Selective Exposure in the Age of Social Media: Endorsements Trump Partisan Source Affiliation When Selecting News Online.” Communication Research 41(8): 1042–1063.Google Scholar

Meyrowitz, Joshua. 1986. No Sense of Place: The Impact of Electronic Media on Social Behavior. Oxford University Press.Google Scholar

Miller, P. R. and Conover, P. J.. 2015. “Red and Blue States of Mind: Partisan Hostility and Voting in the United States.” Political Research Quarterly 68(2): 225–239.Google Scholar

Milligan, Susan. 2016. “In 2016 the Culture War Favors the Democrats.” U.S. News.Google Scholar

Mitchell, Amy, Gottfried, Jeffrey, Kiley, Jocelyn, and Matsa, Katerina Eva. 2014. “Political Polarization & Media Habits.” Pew Research Center, www.journalism.org/2014/10/21/political-polarization-media-habits/.Google Scholar

Mitchell, Amy, Jurkowitz, Mark, Enda, Jodi, and Olmstead, Kenny. 2013. “How Americans Get TV News at Home.” Pew Research Center, report released October 11.Google Scholar

Mondak, Jeffery J. 2010. Personality and the Foundations of Political Behavior. Cambridge University Press.Google Scholar

Mondak, Jeffery J. and Halperin, Karen D.. 2008. “A Framework for the Study of Personality and Political Behaviour.” British Journal of Political Science 38(2): 335–362.Google Scholar

Mondak, Jeffery J., Hibbing, Matthew V., Canache, Damarys, et al. 2010. “Personality and Civic Engagement: An Integrative Framework for the Study of Trait Effects on Political Behavior.” American Political Science Review 104(1): 85–110.Google Scholar

Moreton, Bethany. 2009. To Serve God and Wal-Mart. Cambridge, MA: Harvard University Press.Google Scholar

Morrison, Kimberly Rios and Matthes, Jörg. 2011. “Socially Motivated Projection: Need to Belong Increases Perceived Opinion Consensus on Important Issues.” European Journal of Social Psychology 41(6): 707–719.Google Scholar

Mullen, Brian, Atkins, Jennifer L., Champion, Debbie S., et al. 1985. “The False Consensus Effect: A Meta-Analysis of 115 Hypothesis Tests.” Journal of Experimental Social Psychology 21(3): 262–283.Google Scholar

Mullinix, Kevin J., Leeper, Thomas J., Druckman, James N., and Freese, Jeremy. 2015. “The Generalizability of Survey Experiments.” Journal of Experimental Political Science 2(2): 109–138.Google Scholar

Mummolo, Jonathan. 2016. “News from the Other Side: How Topic Relevance Limits the Prevalence of Partisan Selective Exposure.” The Journal of Politics 78(3): 763–773.Google Scholar

Munger, Kevin, Egan, Patrick, Nagler, Jonathan, and Tucker, Joshua. 2015. “Political Knowledge and Misinformation in the Era of Social Media: Evidence from the 2015 U.K. Election.” Paper presented at the APSA Annual Meeting.Google Scholar

Mutz, Diana C. 2008. “Is Deliberative Democracy a Falsifiable Theory?” Annual Review of Political Science 11(1): 521–538.Google Scholar

Mutz, Diana 2006a. “How the Mass Media Divide Us,” in Nivola, Pietro S. and Brady, David W. (eds.), Red and Blue Nation?: Consequences and Correction of America’s Polarized Politics. Baltimore, MD: Brookings Institution Press, vol. 2.Google Scholar

Mutz, Diana C. 2006b. Hearing the Other Side: Deliberative Versus Participatory Democracy. Cambridge University Press.Google Scholar

Mutz, Diana C. 2002. “The Consequences of Cross-Cutting Networks for Political Participation.” American Journal of Political Science 46(4): 838–855.Google Scholar

Mutz, Diana C. 1998. Impersonal Influence: How Perceptions of Mass Collectives Affect Political Attitudes. Cambridge University Press.Google Scholar

Newman, M. L., Pennebaker, J. W., Berry, D. S., and Richards, J. M.. 2003. “Lying Words: Predicting Deception from Linguistic Style.” Personality and Social Psychology Bulletin 29: 665–675.Google Scholar

Newport, Frank. 2017. “Democrats Say Their Leaders Should Not Compromise with Trump.” Gallup (March 31).Google Scholar

Nicholson, Stephen P. 2012. “Polarizing Cues.” American Journal of Political Science 56(1): 52–66.Google Scholar

Nicholson, Stephen P., Coe, Chelsea M., and Song, Anna V.. 2016. “The Politics of Beauty: The Effects of Partisan Bias on Physical Attractiveness.” Political Behavior 38(4): 883–898.Google Scholar

Nicholson, Stephen P. and Hansford, Thomas G.. 2014. “Partisans in Robes: Party Cues and Public Acceptance of Supreme Court Decisions.” American Journal of Political Science 58(3): 620–636.Google Scholar

Nisbett, Richard E. and Borgida, Eugene. 1975. “Attribution and the Psychology of Prediction.” Journal of Personality and Social Psychology 32(5): 932.Google Scholar

Noelle‐Neumann, Elisabeth. 1974. “The Spiral of Silence: A Theory of Public Opinion.” Journal of Communication 24(2): 43–51.Google Scholar

Norman, Donald A. 1999. “Affordance, Conventions, and Design.” Interactions 6(3): 38–43.Google Scholar

Norris, Pippa. 2001. Digital Divide: Civic Engagement, Information Poverty, and the Internet Worldwide. Cambridge University Press.Google Scholar

Nyhan, Brendan. 2010. “Why the ‘Death Panel’ Myth Wouldn’t Die: Misinformation in the Health Care Reform Debate.” The Forum 8(1): 1–5.Google Scholar

Nyhan, Brendan. 2012. “Does the US Media Have a Liberal Bias?” Perspectives on Politics 10(3): 767–771.Google Scholar

Nyhan, Brendan and Reifler, Jason. 2010. “When Corrections Fail: The Persistence of Political Misperceptions.” Political Behavior 32(2): 303–330.Google Scholar

Oliver, J. Eric, Wood, Thomas, and Bass, Alexandra. 2016. “Liberellas Versus Konservatives: Social Status, Ideology, and Birth Names in the United States.” Political Behavior 38(1): 55–81.Google Scholar

Olson, Parmy. 2013. “The Evolution of Facebook.” Forbes, www.forbes.com/pictures/edee45edklh/the-evolution-of-facebook-4/#da8b0ea456dc.Google Scholar

O’Neil, Cathy. 2016. Weapons of Math Destruction: How Big Data Increases Inequality and Threatens Democracy. New York: Crown Publishing Group.Google Scholar

Oremus, Will. 2016. “Who Controls Your Facebook Feed?” Slate, www.slate.com/articles/technology/cover_story/2016/01/how_facebook_s_news_feed_algorithm_works.html.Google Scholar

O’Shea, Heather. 2016. “New Research: TV Viewers Who Engage on Twitter Have Higher Rates of Ad Recall.” Twitter (March 18).Google Scholar

Padgett, Jeremy. 2014. “Predictors of National Broadcast and Cable Television News Coverage of the Members of the US House of Representatives.” Doctoral dissertation, Manship School of Mass Communication, Louisiana State University, Baton Rouge, LA.Google Scholar

Park, Bernadette and Judd, Charles M.. 1990. “Measures and Models of Perceived Group Variability.” Journal of Personality and Social Psychology 59(2): 173–191.Google Scholar

Park, Bernadette and Rothbart, Myron. 1982. “Perception of Out-Group Homogeneity and Levels of Social Categorization: Memory for the Subordinate Attributes of In-Group and Out-Group Members.” Journal of Personality and Social Psychology 42(6): 1051–1068.Google Scholar

Park, Bernadette and Hastie, Reid. 1987. “Perception of Variability in Category Development: Instance- Versus Abstraction-Based Stereotypes.” Journal of Personality and Social Psychology 53(4): 621–635.Google Scholar

Park, Chang Sup. 2015. “Pathways to Expressive and Collective Participation: Usage Patterns, Political Efficacy, and Political Participation in Social Networking Sites.” Journal of Broadcasting & Electronic Media 59(4): 698–716.Google Scholar

Parsons, Bryan M. 2015. “The Social Identity Politics of Peer Networks.” American Politics Research 43(4): 680–707.Google Scholar

Pelli, Denis G. and Bigelow, Charles. 2009. “A Writing Revolution.” Seed Magazine.Google Scholar

Pennebaker, J. W., Chung, C. K., Frazee, J., et al. 2014. “When Small Words Foretell Academic Success: The Case of College Admissions Essays.” PLoS ONE 9(12): 1–10.Google Scholar

Pennebaker, J. W., Boyd, R. L., Jordan, K., and Blackburn, K.. 2015. The Development and Psychometric Properties of LIWC2015. University of Texas at Austin.Google Scholar

Perdue, C. W., Dovidio, J. F., and Gurtman, M. B.. 1990. “Us and Them: Social Categorization and the Process of Intergroup Bias.” Journal of Personality and Social Psychology 59(3): 475–486.Google Scholar

Pettigrew, Thomas F. 1998. “Intergroup Contact Theory.” Annual Review of Psychology 49(1): 65–85.Google Scholar

Pettigrew, Thomas F. and Tropp, Linda R.. 2006. “A Meta-Analytic Test of Intergroup Contact Theory.” Journal of Personality and Social Psychology 90(5): 751–784.Google Scholar

Pettigrew, Thomas F., Tropp, Linda R., Wagner, Ulrich, and Christ, Oliver. 2011. “Recent Advances in Intergroup Contact Theory.” International Journal of Intercultural Relations 35(3): 271–280.Google Scholar

Pew Research Center. 2016a. “Partisanship and Political Animosity.” Released June 22.Google Scholar

Pew Research Center. 2016b. “As Election Nears, Voters Divided over Democracy and ‘Respect.’” Released October 27.Google Scholar

Pew Research Center. 2014a. “Political Polarization in the American Public.” Released June 12.Google Scholar

Pew Research Center. 2014b. “Political Polarization and Media Habits.” Released October 21.Google Scholar

Poole, Keith T. and Rosenthal, Howard. 2001. “D-Nominate after 10 Years: A Comparative Update to Congress: A Political-Economic History of Roll-Call Voting.” Legislative Studies Quarterly 26(1): 5–29.Google Scholar

Poole, Keith T. and Rosenthal, Howard. 1984. “The Polarization of American Politics.” The Journal of Politics 46(4): 1061–1079.Google Scholar

Popkin, Samuel L. 1991. The Reasoning Voter: Communication and Persuasion in Presidential Campaigns. University of Chicago Press.Google Scholar

Post, Anna. “Avoid Political Pitfalls When Talking, Working and Posting,” available at http://emilypost.com/advice/avoid-political-pitfalls/.Google Scholar

Powers, W. 2010. Hamlet’s Blackberry: A Practical Philosophy for Building a Good Life in the Digital Age. New York: Harper Perennial.Google Scholar

Prior, Markus. 2013. “Media and Political Polarization.” Annual Review of Political Science 16(1): 101–127.Google Scholar

Prior, Markus. 2007. Post-Broadcast Democracy: How Media Choice Increases Inequality in Political Involvement and Polarizes Elections. Cambridge University Press.Google Scholar

Prior, Markus. 2003. “Any Good News in Soft News? The Impact of Soft News Preference on Political Knowledge” Political Communication 20(2): 149–171.Google Scholar

Prior, Markus, Sood, Gaurav, and Khanna, Kabir. 2015. “You Cannot Be Serious: The Impact of Accuracy Incentives on Partisan Bias in Reports of Economic Perceptions.” Quarterly Journal of Political Science 10(4): 489–518.Google Scholar

Prior, Markus and Stroud, Natalie Jomini. 2015. “Using Mobilization, Media, and Motivation to Curb Political Polarization,” in Persily, Nathaniel (ed.), Solutions to Political Polarization in America. Cambridge University Press, pp. 178–194.Google Scholar

Quattrone, George A. and Jones, Edward E.. 1980. “The Perception of Variability Within In-Groups and Out-Groups: Implications for the Law of Small Numbers.” Journal of Personality and Social Psychology 38(1): 141–152.Google Scholar

Rainie, Lee. 2012. “Social Media and Voting.” Pew Research Center, released November 6.Google Scholar

Rainie, Lee and Smith, Aaron. 2012. “Politics on Social Networking Sites.” Pew Research Center, released September 4.Google Scholar

Robinson, Robert J., Keltner, Dacher, Ward, Andrew, and Lee, Ross. 1995. “Actual Versus Assumed Differences in Construal: ‘Naive Realism’ in Intergroup Perception and Conflict.” Journal of Personality and Social Psychology 68(3): 404–417.Google Scholar

Rogowski, Jon C. and Sutherland, Joseph L.. 2016. “How Ideology Fuels Affective Polarization.” Political Behavior 38(2): 485–508.Google Scholar

Ross, L., Greene, D., and House, P. 1977. “The ‘False Consensus Effect’: An Egocentric Bias in Social Perception and Attribution Processes.” Journal of Experimental Social Psychology 13(3): 279–301.Google Scholar

Ross, Lee and Ward, Andrew. 1995. “Psychological Barriers to Dispute Resolution.” Advances in Experimental Social Psychology 27: 255–304.Google Scholar

Rutchick, Abraham M., Smyth, Joshua M., and Konrath, Sara. 2009. “Seeing Red (and Blue): Effects of Electoral College Depictions on Political Group Perception.” Analyses of Social Issues and Public Policy 9(1): 269–282.Google Scholar

Samuelsohn, Darren. 2016. “The Soccer Moms of 2016.” Politico Magazine (July/August), www.politico.com/magazine/story/2016/07/2016-election-battleground-swing-states-soccer-moms-nascar-dads-demographics-trump-clinton-214047.Google Scholar

Saunders, Kyle L. and Abramowitz, Alan I.. 2004. “Ideological Realignment and Active Partisans in the American Electorate.” American Politics Research 32(3): 285–309.Google Scholar

Schreiber, Darren. 2007. “Political Cognition as Social Cognition: Are We All Political Sophisticates?” in Crigler, A., MacKuen, M., Marcus, G. E., and Neuman, W. R. (eds.), The Affect Effect: Dynamics of Emotion in Political Thinking and Behavior. University of Chicago Press.Google Scholar

Schudson, Michael. 1998. The Good Citizen: A History of American Civic Life. New York: Free Press.Google Scholar

Sears, David O. and Freedman, Jonathan L.. 1967. “Selective Exposure to Information: A Critical Review.” Public Opinion Quarterly 31(2): 194–213.Google Scholar

Segreti, Giulia. 2016. “Facebook CEO Says Group Will Not Become a Media Company.” Reuters (August 29).Google Scholar

Settle, Jaime E. 2018. “Moving Beyond Sentiment Analysis: Social Media and Emotions in Political Communication,” in Foucault-Welles, Brooke and Bailon, Sandra Gonzalez (eds.), The Oxford Handbook of Networked Communication. Oxford University Press.Google Scholar

Settle, Jaime E. 2012. “Political Competition, Emotions, and Voting: The Moderating Role of Individual Differences.” Order No. 3512751, University of California, San Diego, https://proxy.wm.edu/login?url=http://search.proquest.com/docview/1024426440?accountid=15053.Google Scholar

Settle, Jaime E., Bond, Robert M., Coviello, Lorenzo, et al. 2016. “From Posting to Voting: The Effects of Political Competition on Online Political Engagement.” Political Science Research and Methods 4(2): 361–378.Google Scholar

Seyle, D. Conor and Newman, Matthew L.. 2006. “A House Divided? The Psychology of Red and Blue America.” American Psychologist 61(6): 571–580.Google Scholar

Shane, Scott. 2017. “From Headline to Photograph, a Fake News Masterpiece.” The New York Times (January 18).Google Scholar

Sherif, Muzafer and Sherif, Carolyn W.. 1953. Groups in Harmony and Tension: An Integration of Studies of Intergroup Relations. New York: Harper and Brothers.Google Scholar

Sherif, Muzafer, Harvey, O. J., White, Jack, et al. 1961. Intergroup Conflict and Cooperation: The Robbers Cave Experiment. Norman, OK: University of Oklahoma Book Exchange.Google Scholar

Sherman, David K., Nelson, Leif D., and Ross, Lee D.. 2003. “Naïve Realism and Affirmative Action: Adversaries Are More Similar than They Think.” Basic and Applied Social Psychology 25(4): 275–289.Google Scholar

Sherman, David K., Hogg, Michael A., and Maitner, Angela T.. 2009. “Perceived Polarization: Reconciling Ingroup and Intergroup Perceptions under Uncertainty.” Group Processes & Intergroup Relations 12(1): 95–109.Google Scholar

Shi, Feng, Shi, Yongren, Dokshin, Fedor A., et al. 2017. “Millions of Online Book Co-Purchases Reveal Partisan Differences in the Consumption of Science.” Nature Human Behaviour 1(4): 79.Google Scholar

Shin, Youngsoo, Kim, Minji, Im, Chaerin, and Chong, Sang Chul. 2017. “Selfie and Self: The Effect of Selfies on Self-Esteem and Social Sensitivity.” Personality and Individual Differences 111: 139–145.Google Scholar

Shirky, Clay. 2008. Here Comes Everybody: The Power of Organizing without Organizations. New York: Penguin.Google Scholar

Silverman, Craig. 2016. “This Analysis Shows How Viral Fake Election News Stories Outperformed Real News on Facebook.” BuzzFeed (November 16).Google Scholar

Sinclair, Betsy. 2012. The Social Citizen: Peer Networks and Political Behavior. University of Chicago Press.Google Scholar

Slothuus, Rune and De Vreese, Claes H.. 2010. “Political Parties, Motivated Reasoning, and Issue Framing Effects.” The Journal of Politics 72(3): 630–645.Google Scholar

Smith, Aaron. 2014a. “Cell Phones, Social Media, and Campaign 2014.” Pew Research Center (November 3).Google Scholar

Smith, Aaron. 2014b. “Six New Facts about Facebook.” Pew Research Center’s Fact Tank Blog (February 3).Google Scholar

Smith, Aaron. 2013. “Civic Engagement in the Digital Age.” Pew Research Center, published April 25.Google Scholar

Sokhey, Anand E. and Djupe, Paul A.. 2013. “Name Generation in Ego-Centric Network Data: Results from a Series of Experiments.” Social Networks 36: 147–161.Google Scholar

Standage, Tom. 2013. Writing on the Wall: Social Media – The First Two Thousand Years. New York: Bloomsbury.Google Scholar

Standage, Tom. 1998. The Victorian Internet. New York: Bloomsbury.Google Scholar

Stanley, Harold. W., Bianco, William T., and Niemi, Richard G.. 1986. “Partisanship and Group Support over Time: A Multivariate Analysis.” American Political Science Review 80(3): 969–976.Google Scholar

Starr, Paul. 2005. The Creation of the Media: Political Origins of Modern Communications. Basic Books.Google Scholar

Stewart, James. 2016. “Facebook Has 50 Minutes of Your Time Each Day. It Wants More.” The New York Times (May 5).Google Scholar

Stinson, Liz. 2016. “Facebook Reactions, the Totally Redesigned Like Button, Is Here.” Wired, www.wired.com/2016/02/facebook-reactions-totally-redesigned-like-button.Google Scholar

Stonecash, Jeffrey M., Brewer, Mark D., and Mariani, Mack D.. 2003. Diverging Parties: Social Change, Realignment, and Party Polarization. Boulder, CO: Westview Press.Google Scholar

Stroud, Natalie Jomini. 2011. Niche News: The Politics of News Choice. New York: Oxford University Press.Google Scholar

Stroud, Natalie Jomini. 2010. “Polarization and Partisan Selective Exposure.” Journal of Communication 60(3): 556–576.Google Scholar

Stroud, Natalie Jomini. 2008. “Media Use and Political Predispositions: Revisiting the Concept of Selective Exposure.” Political Behavior 30(3): 341–366.Google Scholar

Stroud, Natalie Jomini, Scacco, J. M., Muddiman, A., and Curry, A. L.. 2015. “Changing Deliberative Norms on News Organizations’ Facebook Sites.” Journal of Computer‐Mediated Communication 20(2): 188–203.Google Scholar

Stump, Scott. 2016. “Sheryl Sandberg on Facebook and Fake News: ‘We Don’t Think It Swayed the Election,’” NBC Today Show (December 8).Google Scholar

Sundar, S. Shyam and Limperos, Anthony M.. 2013. “Uses and Grats 2.0: New Gratifications for New Media.” Journal of Broadcasting & Electronic Media 57(4): 504–525.Google Scholar

Sundquist, James L. 1983. Dynamics of the Party System. Washington, DC: Brookings Institute.Google Scholar

Taber, Charles S., Cann, Damon, and Kucsova, Simona. 2009. “The Motivated Processing of Political Arguments.” Political Behavior 31(2): 137–155.Google Scholar

Taber, Charles S. and Lodge, Milton. 2006. “Motivated Skepticism in the Evaluation of Political Beliefs.” American Journal of Political Science 50(3): 755–769.Google Scholar

Tajfel, Henri. 1982. “Social Psychology of Intergroup Relations.” Annual Review of Psychology 33(1): 1–39.Google Scholar

Tajfel, Henri. 1981. Human Groups and Social Categories: Studies in Social Psychology. Cambridge University Press.Google Scholar

Tajfel, Henri. 1970. “Experiments in Intergroup Discrimination.” Scientific American 223(5): 96–103.Google Scholar

Tajfel, Henri. 1969. “Cognitive Aspects of Prejudice.” Journal of Biosocial Science 1(S1): 173–191.Google Scholar

Tajfel, Henri. 1959. “Quantitative Judgement in Social Perception.” British Journal of Psychology 50(1): 16–29.Google Scholar

Tajfel, Henri and Wilkes, Alan L.. 1963. “Classification and Quantitative Judgement.” British Journal of Psychology 54(2): 101–114.Google Scholar

Tajfel, Henri and Turner, John C.. 1979. “An Integrative Theory of Intergroup Conflict,” in Austin, W. G. and Worchel, S. (eds.), The Social Psychology of Intergroup Relations. Monterey, CA: Brooks/Cole, pp. 33–47.Google Scholar

Tajfel, Henri, Billig, M. G., Bundy, R. P., and Flament, Claude. 1971. “Social Categorization and Intergroup Behaviour.” European Journal of Social Psychology 1(2): 149–178.Google Scholar

Tang, Gary and Lee, Francis L. F.. 2013. “Facebook Use and Political Participation: The Impact of Exposure to Shared Political Information, Connections with Public Political Actors, and Network Structural Heterogeneity.” Social Science Computer Review 31(6): 763–773.Google Scholar

Tavernise, Sabrina. 2016. “Young Adolescents as Likely to Die from Suicide as from Traffic Accidents.” The New York Times (November 3).Google Scholar

Thompson, Dennis F. 2008. “Deliberative Democratic Theory and Empirical Political Science.” Annual Review of Political Science 11: 497–520.Google Scholar

Thomsen, Danielle M. 2014. “Ideological Moderates Won’t Run: How Party Fit Matters for Partisan Polarization in Congress.” The Journal of Politics 76(3): 786–797.Google Scholar

Thornton, Judd R. 2013. “The Impact of Elite Polarization on Partisan Ambivalence and Indifference.” Political Behavior 35(2): 409–428.Google Scholar

Tufecki, Zeynup. 2012. “Social Media’s Small, Positive Role in Human Relationships.” Atlantic (April 25).Google Scholar

Turkle, Sherry. 2011. Alone Together: Why We Expect More from Technology and Less from Ourselves. New York: Basic Books.Google Scholar

Turner, John C. 1999. “Some Current Issues in Research on Social Identity and Self-Categorization Theories,” in Ellemers, Naomi, Spears, Russell, and Doosje, Bertjan (eds.), Social Identity: Context, Commitment, Content. Malden: Blackwell, pp. 6–34.Google Scholar

Turner, John C. 1981. “The Experimental Social Psychology of Intergroup Behavior,” in Turner, John C. and Giles, Howard (eds.), Intergroup Behaviour. Oxford: Blackwell, pp. 66–101.Google Scholar

Turner, John C., Hogg, Michael A., Oakes, Penelope J., et al. 1987. Rediscovering the Social Group: A Self-Categorization Theory. Oxford and New York: Basil Blackwell.Google Scholar

Tversky, Amos and Kahneman, Daniel. 1974. “Judgment under Uncertainty: Heuristics and Biases.” Science 185(4157): 1124–1131.Google Scholar

Ulbig, Stacy G. and Funk, Carolyn L.. 1999. “Conflict Avoidance and Political Participation.” Political Behavior 21(3): 265–282.Google Scholar

Valenzuela, Sebastián, Kim, Yonghwan, and de Zúñiga, Homero Gil. 2012. “Social Networks that Matter: Exploring the Role of Political Discussion for Online Political Participation.” International Journal of Public Opinion Research 24(2): 163–184.Google Scholar

Walsh, Katherine Cramer. 2004. Talking about Politics: Informal Groups and Social Identity in American Life. University of Chicago Press.Google Scholar

Weeks, Brian E., Ardèvol-Abreu, Alberto, and de Zúñiga, Homero Gil. 2017. “Online Influence? Social Media Use, Opinion Leadership, and Political Persuasion.” International Journal of Public Opinion Research 29(2): 214–239.Google Scholar

Westfall, Jacob, Van Boven, Leaf, Chambers, John R., and Judd, Charles M.. 2015. “Perceiving Political Polarization in the United States: Party Identity Strength and Attitude Extremity Exacerbate the Perceived Partisan Divide.” Perspectives on Psychological Science 10(2): 145–158.Google Scholar

Williams, Bruce A. and Delli Carpini, Michael X.. 2011. After Broadcast News: Media Regimes, Democracy and the New Information Environment. Cambridge University Press.Google Scholar

Wilson, Glenn D., Ausman, James, and Mathews, Thomas R.. 1973. “Conservatism and Art Preferences.” Journal of Personality and Social Psychology 25(2): 286–288.Google Scholar

Wojcieszak, Magdalena and Price, Vincent. 2009. “What Underlies the False Consensus Effect? How Personal Opinion and Disagreement Affect Perception of Public Opinion.” International Journal of Public Opinion Research 21(1): 25–46.Google Scholar

Yang, Jung Hwan, Rojas, Hernando, Wojcieszak, Magdalena, et al. 2016. “Why Are “Others” So Polarized? Perceived Political Polarization and Media Use in 10 Countries.” Journal of Computer‐Mediated Communication 21(5): 349–367.Google Scholar

Young, Dannagal. 2006. “Late-Night Comedy and the Salience of the Candidates’ Caricatured Traits in the 2000 Election.” Mass Communication & Society 9(3): 339–366.Google Scholar

Younge, Gary. 2012. “Election 2012: The Return of Culture Wars.” The Guardian, www.theguardian.com/commentisfree/cifamerica/2012/feb/10/election-2012-return-culture-wars.Google Scholar

Zaller, John. 1992. The Nature and Origins of Mass Opinion. Cambridge University Press.Google Scholar

Zschirnt, Simon. 2011. “The Origins & Meaning of Liberal/Conservative Self-Identifications Revisited.” Political Behavior 33(4): 685–701.Google Scholar