Yphtach Lelkes

Publications

For citation counts and live indexing, see Google Scholar.

Peer-Reviewed Publications

  1. C. Ahn, S. Huang, & Y. Lelkes (2026). Animosity is for the Audience: How Social Context Shapes Expressions of Political Hostility. The Economic Journal, ueag055
  2. M. S. Jacob, Y. Lelkes, & S. J. Westwood (2026). Entrepreneurs of conflict: A descriptive analysis of when and how political elites use divisive rhetoric. PNAS nexus, 5(3), pgag038
  3. C. Yang, K. Jaidka, Y. Lelkes, & S. Mukerjee (2026). Lurkers, Interactors, Creators: Modeling Behavioral and Ideological Diversity on X. Proceedings of the ACM Web Conference 2026, 8781–8784
  4. R. Abramitzky, G. Grossman, Y. Lelkes, H. Mansour, & T. Mitts (2026). Expression at the edge: Free speech boundaries amidst the Gaza crisis. Science Advances, 12(16), eaea5427
  5. M. S. Jacob, Y. Lelkes, S. Wolken, & S. J. Westwood (2026). Systemic electioneering from the evangelical pulpit: Evidence from a computational analysis. Proceedings of the National Academy of Sciences, 123(21), e2603911123
  6. D. E. Holliday, Y. Lelkes, & S. J. Westwood (2025). Why Depolarization Is Hard: Evaluating Attempts to Decrease Partisan Animosity in America. Proceedings of the National Academy of Sciences of the United States of America, 122(39), e2508827122
  7. D. E. Holliday, J. Grimmer, Y. Lelkes, & S. J. Westwood (2025). Who Are the Election Skeptics? Evidence from the 2022 Midterm Elections. Election Law Journal: Rules, Politics, and Policy, 24(1), 1–17
  8. N. C. Dias, Y. Lelkes, & J. Pearl (2025). American Partisans Vastly Underestimate the Diversity of Other Partisans' Policy Attitudes. Political Science Research and Methods, 13(3), 725-735
  9. A. Zhou & Y. Lelkes (2025). Partisan Prejudice and Workplace Communication: An Empirical Roadmap. Management Communication Quarterly, 39(4), 746–753
  10. N. Fasching & Y. Lelkes (2025). Model-Dependent Moderation: Inconsistencies in Hate Speech Detection Across LLM-Based Systems. Findings of the Association for Computational Linguistics: ACL 2025, 22271–22285
  11. K. Arceneaux, B. N. Bakker, N. Fasching, & Y. Lelkes (2025). A Critical Evaluation and Research Agenda for the Study of Psychological Dispositions and Political Attitudes. Advances in Political Psychology, 46(Suppl. 1), 7–37
  12. C. Ahn, Y. Lelkes, & M. Levendusky (2024). Sanctioning Political Speech on Social Media Is Driven by Partisan Norms and Identity Signaling. PNAS Nexus, 3(12), pgae534
  13. D. E. Holliday, S. Iyengar, Y. Lelkes, & S. J. Westwood (2024). Uncommon and Nonpartisan: Antidemocratic Attitudes in the American Public. Proceedings of the National Academy of Sciences, 121(13), e2313013121
  14. D. E. Holliday, Y. Lelkes, & S. J. Westwood (2024). Affective Polarization Is Uniformly Distributed Across American States. PNAS Nexus, 3(10), pgae310
  15. N. Fasching, S. Iyengar, Y. Lelkes, & S. J. Westwood (2024). Persistent Polarization: The Unexpected Durability of Political Animosity Around U.S. Elections. Science Advances, 10(36), eadm9198
  16. N. C. Dias, L. F. Aarslew, K. V. S. Frederiksen, Y. Lelkes, L. Pradella, & S. J. Westwood (2024). Correcting Misperceptions of Partisan Opponents Is Not Effective at Treating Democratic Ills. PNAS Nexus, 3(8), gae304
  17. C. Claassen, K. Ackermann, E. Bertsou, J. Borba, R. E. Carlin, A. Cavari, S. Dahlum, S. Gherghina, D. Hawkins, Y. Lelkes, P. C. Magalhães, R. B. Mattes, M. J. Meijers, A. Neundorf, D. Oross, A. Öztürk, R. Sarsfield, D. Self, B. Stanley, T. H. Tsai, A. Zaslove, & E. J. Zechmeister (2024). Conceptualizing and Measuring Support for Democracy: A New Approach. Comparative Political Studies, 58(6), 1171–1198
  18. B. N. Bakker & Y. Lelkes (2024). Putting the Affect into Affective Polarisation. Cognition & Emotion, 38(4), 418–436
  19. D. J. Hopkins, Y. Lelkes, & S. Wolken (2025). The Rise of and Demand for Identity-Oriented Media Coverage. American Journal of Political Science, 69(2), 483–500
  20. N. N. Fasching & Y. Lelkes (2024). Ancestral Kinship and the Origins of Ideology. British Journal of Political Science, 54(1), 1–21
  21. J. Turow, Y. Lelkes, N. A. Draper, & A. E. Waldman (2023). Americans Cannot Consent to Companies' Use of Their Data. International Journal of Communication, 17, 4796–4817
  22. K. Jaidka, S. Fischer, Y. Lelkes, & Y. Wang (2023). News Nationalization in a Digital Age: An Examination of How Local Protests Are Covered and Curated Online. The Annals of the American Academy of Political and Social Science, 707(1), 189–207
  23. S. González-Bailón & Y. Lelkes (2023). Do Social Media Undermine Social Cohesion? A Critical Review. Social Issues and Policy Review, 17(1), 155–180
  24. K. Jaidka, S. Mukerjee, & Y. Lelkes (2023). Silenced on Social Media: The Gatekeeping Functions of Shadowbans in the American Twitterverse. Journal of Communication, 73(2), 163–178
  25. A. Malka, Y. Lelkes, B. N. Bakker, & E. Spivack (2022). Who Is Open to Authoritarian Governance Within Western Democracies?. Perspectives on Politics, 20(3), 808–827
  26. S. Fischer, K. Jaidka, & Y. Lelkes (2022). Reply to: Local News in Google News. Nature Human Behaviour, 6(8), 1045–1047
  27. E. Kim, Y. Lelkes, & J. McCrain (2022). Measuring Dynamic Media Bias. Proceedings of the National Academy of Sciences, 119(32)
  28. A. H. Y. Lee, Y. Lelkes, C. B. Hawkins, & A. G. Theodoridis (2022). Negative Partisanship Is Not More Prevalent Than Positive Partisanship. Nature Human Behaviour, 6, 951–963
  29. S. Mukerjee, K. Jaidka, & Y. Lelkes (2022). The Political Landscape of the U.S. Twitterverse. Political Communication, 1–31
  30. K. Jaidka, A. Zhou, Y. Lelkes, J. Egelhofer, & S. Lecheler (2022). Beyond Anonymity: Network Affordances, Under Deindividuation, Improve Social Media Discussion Quality. Journal of Computer-Mediated Communication, 27(1)
  31. N. Dias & Y. Lelkes (2022). The Nature of Affective Polarization: Disentangling Policy Disagreement from Partisan Identity. American Journal of Political Science, 66(3), 775–790
  32. Y. Lelkes (2021). What Do We Mean by Negative Partisanship?. The Forum, 19(3), 481–497
  33. Y. Lelkes (2021). Policy over Party: Comparing the Effects of Candidate Ideology and Party on Affective Polarization. Political Science Research and Methods, 9(1), 189–196
  34. F. P. Santos, Y. Lelkes, & S. A. Levin (2021). Link Recommendation Algorithms and Dynamics of Polarization in Online Social Networks. Proceedings of the National Academy of Sciences, 118(50), e2102141118
  35. M. Kawakatsu, Y. Lelkes, S. A. Levin, & C. E. Tarnita (2021). Interindividual Cooperation Mediated by Partisanship Complicates Madison's Cure for "Mischiefs of Faction.". Proceedings of the National Academy of Sciences, 118(50), e2102148118
  36. N. E. Leonard, K. Lipsitz, A. Bizyaeva, A. Franci, & Y. Lelkes (2021). The Nonlinear Feedback Dynamics of Asymmetric Political Polarization. Proceedings of the National Academy of Sciences, 118(50), e2102149118
  37. B. N. Bakker, K. Jaidka, T. Dörr, N. Fasching, & Y. Lelkes (2021). Questionable and Open Research Practices: Attitudes and Perceptions among Quantitative Communication Researchers. Journal of Communication, 71(5), 715–738
  38. T. Yang, J. Ticona, & Y. Lelkes (2021). Policing the Digital Divide: Institutional Gatekeeping and Criminalizing Digital Inclusion. Journal of Communication, 71(4), 572–597
  39. B. N. Bakker, Y. Lelkes, & A. Malka (2021). Reconsidering the Link Between Self-Reported Personality Traits and Political Preferences. American Political Science Review, 115(4), 1482–1498
  40. C. Brenes Peralta, M. Wojcieszak, & Y. Lelkes (2021). Can I Stick to My Guns? Motivated Reasoning and Biased Processing of Balanced Political Information. Communication & Society, 49–66
  41. S. Fischer, K. Jaidka, & Y. Lelkes (2020). Auditing Local News Presence on Google News. Nature Human Behaviour, 4(12), 1236–1244
  42. Y. Lelkes (2020). A Bigger Pie: The Effects of High-Speed Internet on Political Behavior. Journal of Computer-Mediated Communication, 25(3), 199–216
  43. S. J. Westwood, S. Messing, & Y. Lelkes (2020). Projecting Confidence: How the Probabilistic Horse Race Confuses and Demobilizes the Public. The Journal of Politics, 82(4), 1530–1544
  44. B. N. Bakker, Y. Lelkes, & A. Malka (2020). Understanding Partisan Cue Receptivity: Tests of Predictions from the Bounded Rationality and Expressive Utility Perspectives. The Journal of Politics, 82(3), 1061–1077
  45. S. Westwood, E. Petersen, & Y. Lelkes (2019). Are There Still Limits on Partisan Prejudice?. Public Opinion Quarterly, 83(3), 584–597
  46. K. Jaidka, A. Zhou, & Y. Lelkes (2019). Brevity Is the Soul of Twitter: The Constraint Affordance and Political Discussion. Journal of Communication, 69(4), 345–372
  47. S. Iyengar, Y. Lelkes, M. Levendusky, N. Malhotra, & S. J. Westwood (2019). The Origins and Consequences of Affective Polarization in the United States. Annual Review of Political Science, 22, 129–146
  48. N. Kim, J. A. Krosnick, & Y. Lelkes (2019). Race of Interviewer Effects in Telephone Surveys Preceding the 2008 U.S. Presidential Election. International Journal of Public Opinion Research, 31(2), 220–242
  49. A. Malka, Y. Lelkes, & C. Soto (2019). Are Cultural and Economic Conservatism Positively Correlated? A Large-Scale Cross-National Test. British Journal of Political Science, 49(3), 1045–1069
  50. B. Bakker & Y. Lelkes (2018). Selling Ourselves Short: The Implications of Brief Personality Measures for Political Psychology. Journal of Politics, 80(4), 1311–1325
  51. Y. Lelkes (2018). Affective Polarization and Ideological Sorting: A Reciprocal, Albeit Weak, Relationship. The Forum: A Journal of Applied Research in Contemporary Politics, 16(1), 23–45
  52. Y. Lelkes, G. Sood, & S. Iyengar (2017). The Hostile Audience: The Effect of Access to Broadband Internet on Partisan Affect. American Journal of Political Science, 61(1), 5–20
  53. C. H. De Vreese, M. Boukes, A. Schuck, R. Vliegenthart, L. Bos, & Y. Lelkes (2017). Linking Survey and Media Content Data: Opportunities, Considerations, and Pitfalls. Communication Methods and Measures, 11(4), 221–244
  54. C. Brenes Peralta, M. Wojcieszak, & Y. Lelkes (2017). Selective Exposure to Balanced Content and Evidence Type: The Case of Issue and Non-Issue Publics About Climate Change and Health Care. Journalism & Mass Communication Quarterly, 94(3), 833–861
  55. Y. Lelkes & S. Westwood (2017). The Limits of Partisan Discrimination. Journal of Politics, 79(2), 485–501
  56. Y. Lelkes & P. M. Sniderman (2016). The Ideological Asymmetry of the American Party System. British Journal of Political Science, 46(4), 825–844
  57. Y. Lelkes (2016). Mass Polarization: Manifestations and Measurements. Public Opinion Quarterly, 80(S1), 392–410
  58. Y. Lelkes (2016). Winners, Losers, and the Press: The Relationship Between Political Parallelism and the Legitimacy Gap. Political Communication, 33(4), 523–543
  59. Y. Lelkes & R. Weiss (2015). Much Ado About Acquiescence: The Relative Validity and Reliability of Construct-Specific and Agree–Disagree Questions. Research & Politics, 2(3)
  60. A. Malka, C. Soto, M. Inzlicht, & Y. Lelkes (2014). Do Needs for Security and Certainty Predict Cultural and Economic Conservatism? A Cross-National Analysis. Journal of Personality and Social Psychology, 106, 1031–1051
  61. S. Iyengar, G. Sood, & Y. Lelkes (2012). Affect, Not Ideology: A Social Identity Perspective on Polarization. Public Opinion Quarterly, 76(3), 405–431
  62. Y. Lelkes, J. A. Krosnick, D. M. Marx, C. Judd, & B. M. Park (2012). Complete Anonymity Produces an Apparent Reduction in Social Desirability Response Bias at the Expense of Accuracy. Journal of Experimental Social Psychology, 48(6), 1291–1299
  63. L. D. Ross, Y. Lelkes, & A. G. Russell (2012). Projection as a Means of Dissonance Reduction: How Christians Reconcile Their Personal Political Views and the Teachings of Their Faith. Proceedings of the National Academy of Sciences, 109(10), 3616–3622
  64. A. Malka, Y. Lelkes, S. Srivastava, A. B. Cohen, & D. T. Miller (2012). Association of Religiosity and Political Conservatism: The Role of Engagement with Political Discourse. Political Psychology, 33, 275–295
  65. A. Malka & Y. Lelkes (2010). More Than Ideology: Conservative–Liberal Identity and Receptivity to Political Cues. Social Justice Research, 23, 156–188
  66. J. Pasek, A. Tahk, Y. Lelkes, J. A. Krosnick, B. K. Payne, O. Akhtar, & T. Tompson (2009). Determinants of Turnout and Candidate Choice in the 2008 U.S. Presidential Election: Illuminating the Impact of Racial Prejudice and Other Considerations. Public Opinion Quarterly, 73, 943–994
  67. B. K. Payne, J. A. Krosnick, J. Pasek, Y. Lelkes, O. Akhtar, & T. Tompson (2009). Implicit and Explicit Prejudice in the 2008 American Presidential Election. Journal of Experimental Social Psychology, 46, 367–374

Non-Peer-Reviewed Contributions

  1. Y. Lelkes (2023). Commentary on "Frontiers: Spilling the Beans on Political Consumerism: Do Social Media Boycotts and Buycotts Translate to Real Sales Impact?". Marketing Science, 42(1), 26–27
  2. S. L. Moore-Berg, J. M. Parelman, Y. Lelkes, & E. B. Falk (2020). Neural Polarization and Routes to Depolarization. Proceedings of the National Academy of Sciences, 117(46), 28552–28554
  3. S. Fischer & Y. Lelkes (2023). Emotion, Affective Polarization, and Online Communication. Emotions in the Digital World: Exploring Affective Experience and Expression in Online Interactions, 401–421
  4. B. Bakker & Y. Lelkes (2022). The Structure, Prevalence, and Nature of Mass Belief Systems. Cambridge Handbook of Political Psychology
  5. Y. Lelkes (2019). National and Cross-National Perspectives on Political Media Bias. Oxford Handbook of Electoral Persuasion
  6. G. Sood & Y. Lelkes (2018). Expose Yourself: Discretionary Exposure to Political Information. The Oxford Research Encyclopedia of Politics
  7. A. Malka, Y. Lelkes, & N. Holzer (2017). Rethinking the Rigidity of the Right Model: Three Suboptimal Methodological Practices and Their Implications. Frontiers of Social Psychology: Politics of Social Psychology
  8. Y. Lelkes (2010). Priming. International Encyclopedia of Political Science
  9. Y. Lelkes (2010). Warren Miller. International Encyclopedia of Political Science

Book Reviews

  1. Y. Lelkes (2018). Review of the Book "Uncivil Agreement: How Politics Became Our Identity" by Lilliana Mason. Perspectives on Politics, 16, 1179–1181

Op-Eds

  1. Y. Lelkes & S. J. Westwood (2022). We Study Political Polarization. The Midterm Election Results Make Us Hopeful. link
  2. E. Groenendyk, E. Kimbrough, Y. Lelkes, & M. Pickup (2022). Liz Cheney Is Extremely Conservative. That Won't Win Over Conservatives. link
  3. S. Fischer, K. Jaidka, & Y. Lelkes (2020). How Google Is Hurting Local News. link
  4. Y. Lelkes, S. Messing, & S. Westwood (2020). Election Forecasts Helped Elect Trump in 2016. It Could Happen Again in 2020. link
  5. C. M. Federico, C. D. Johnston, H. Lavine, Y. Lelkes, A. Malka, & C. Soto (2020). Will the COVID-19 Pandemic Shake Up Conservatives' Views on Government Spending and Involvement in the Economy? Maybe. link
  6. Y. Lelkes, K. Jaidka, & A. Zhou (2019). Twitter Got Somewhat More Civil When Tweets Doubled in Length. Here's How We Know. link
  7. A. Malka & Y. Lelkes (2017). In a New Poll, Half of Republicans Say They Would Support Postponing the 2020 Election if Trump Proposed It. link
  8. Y. Lelkes & P. Sniderman (2016). Democrats' Policies Are More Popular. But Republicans Are More Ideologically Unified. link