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Yphtach Lelkes

University of Pennsylvania

37H-index
189Paper Count
1.1WCitation Count
Published Papers 45
Publication Date
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Animosity is for the Audience: How Social Context Shapes Expressions of Political Hostility
errThe Economic Journal
IF0
err2026-05-06
err0
PREAI
errChloe Ahn; Shengchun Huang; Yphtach Lelkes
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errSave
Expression at the edge: Free speech boundaries amidst the Gaza crisis
errScience Advances
IF12.5
err2026-04-15
err0
errOAAI
errRan Abramitzky; Guy Grossman; Yphtach Lelkes; Hani Mansour; Tamar Mitts
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errSave
Entrepreneurs of conflict: A descriptive analysis of when and how political elites use divisive rhetoric
errPNAS Nexus
IF3.8
err2026-03-01
err0
PREAI
errJacob, Marc S.; Lelkes, Yphtach; Westwood, Sean J.
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The July 2024 Trump assassination attempt was followed by lower in-group support for partisan violence and increased group unity
errPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
IF9.1
err2024-11-26
err1
errOAAI
errHolliday, Derek E.; Lelkes, Yphtach; Westwood, Sean J.
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errSave
Sanctioning political speech on social media is driven by partisan norms and identity signaling
errPNAS NEXUS
IF3.8
err2024-11-22
err0
errOAAI
errAhn, Chloe; Lelkes, Yphtach; Levendusky, Matthew
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errSave
Affective polarization is uniformly distributed across American States
errPNAS NEXUS
IF3.8
err2024-10-15
err1
errOAAI
errHolliday, Derek E.; Lelkes, Yphtach; Westwood, Sean J.
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errSave
Unraveling polarization: insights into individual and collective dynamics
errPNAS NEXUS
IF3.8
err2024-10-15
err3
errOAAI
errBar-On, Kati Kish; Dimant, Eugen; Lelkes, Yphtach; Rand, David G.
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errSave
Persistent polarization: The unexpected durability of political animosity around US elections
errSCIENCE ADVANCES
IF12.5
err2024-09-06
err0
errOAAI
errFasching, Neil; Iyengar, Shanto; Lelkes, Yphtach; Westwood, Sean J.
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errSave
American partisans vastly under-estimate the diversity of other partisans' policy attitudes
errPOLITICAL SCIENCE RESEARCH AND METHODS
IF2.6
err2024-09-01
err3
errOAAI
errDias, Nicholas C.; Lelkes, Yphtach; Pearl, Jacob
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errSave
Correcting misperceptions of partisan opponents is not effective at treating democratic ills
errPNAS NEXUS
IF3.8
err2024-08-20
err4
errOAAI
errDias, Nicholas C.; Aarslew, Laurits F.; Frederiksen, Kristian Vrede Skaaning; Lelkes, Yphtach; Pradella, Lea; Westwood, Sean J.
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Conceptualizing and Measuring Support for Democracy: A New Approach
errCOMPARATIVE POLITICAL STUDIES
IF3.4
err2024-07-23
err1
errOAAI
errClaassen, Christopher; Ackermann, Kathrin; Bertsou, Eri; Borba, Lucas; Carlin, Ryan E.; Cavari, Amnon; Dahlum, Sirianne; Gherghina, Sergiu; Hawkins, Darren; Lelkes, Yphtach; Magalhaes, Pedro C.; Mattes, Robert; Meijers, Maurits J.; Neundorf, Anja; Oross, Daniel; Ozturk, Aykut; Sarsfield, Rodolfo; Self, Darin; Stanley, Ben; Tsai, Tsung-han; Zaslove, Andrej; Zechmeister, Elizabeth J.
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errSave
The rise of and demand for identity-oriented media coverage
errAMERICAN JOURNAL OF POLITICAL SCIENCE
IF5.6
err2024-07-01
err0
PREAI
errHopkins, Daniel J.; Lelkes, Yphtach; Wolken, Samuel
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errSave
Uncommon and nonpartisan: Antidemocratic attitudes in the American public
errPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
IF9.1
err2024-03-18
err5
errOAAI
errHolliday, Derek E.; Iyengar, Shanto; Lelkes, Yphtach; Westwood, Sean J.
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errSave
A critical evaluation and research agenda for the study of psychological dispositions and political attitudes
errPOLITICAL PSYCHOLOGY
IF3.5
err2024-03-11
err3
errOAAI
errArceneaux, Kevin; Bakker, Bert N.; Fasching, Neil; Lelkes, Yphtach
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errSave
Silenced on social media: the gatekeeping functions of shadowbans in the American Twitterverse
errJOURNAL OF COMMUNICATION
IF5.5
err2023-01-02
err16
PREAI
errJaidka, Kokil; Mukerjee, Subhayan; Lelkes, Yphtach
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errSave
Commentary on Frontiers: Spilling the Beans on Political Consumerism: Do Social Media Boycotts and Buycotts Translate to Real Sales Impact?
errthe academy of marketing science
IF4.9
err2023-01-01
err0
PREAI
errLelkes, Yphtach
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errSave
Do social media undermine social cohesion? A critical review
errSOCIAL ISSUES AND POLICY REVIEW
IF5.6
err2022-12-31
err29
errOAAI
errGonzalez-Bailon, Sandra; Lelkes, Yphtach
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errSave
Measuring dynamic media bias
errPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
IF9.1
err2022-08-01
err11
errOAAI
errKim, Eunji; Lelkes, Yphtach; McCrain, Joshua
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errSave
Questionable and Open Research Practices: Attitudes and Perceptions among Quantitative Communication Researchers (vol 71, pg 715, 2021)
errJOURNAL OF COMMUNICATION
IF5.5
err2022-01-18
err0
errOAAI
errBakker, Bert N.; Jaidka, Kokil; Dorr, Timothy; Fasching, Neil; Lelkes, Yphtach
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errSave
The nonlinear feedback dynamics of asymmetric political polarization
errPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
IF9.1
err2021-12-06
err52
errOAAI
errLeonard, Naomi Ehrich; Lipsitz, Keena; Bizyaeva, Anastasia; Franci, Alessio; Lelkes, Yphtach
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Research Directions

No research directions
Co-authors
Cooperation Journals
S
Simon A. Levin
H-index: 143 · Papers: 996
D
David G. Rand
H-index: 98 · Papers: 569
J
Jon A. Krosnick
H-index: 94 · Papers: 339
C
Claes H. de Vreese
H-index: 91 · Papers: 604
C
Charles M. Judd
H-index: 85 · Papers: 308
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