Pablo Barberá - NYU’s Center for Social Media and Politics

Pablo Barberá is a Research Scientist in Facebook's Computational Social Science team and an Adjunct Associate Professor in the Department of Political Science and International Relations at the University of Southern California. In 2015, he received his PhD in Political Science from New York University, where he was a graduate research associate in the Social Media and Political Participation Lab (a precursor to CSMaP) and a Moore-Sloan Postdoctoral Fellow at the NYU Center for Data Science.

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Journal Article
The Effects of Facebook and Instagram on the 2020 Election: A Deactivation Experiment
- Hunt Alcott,
- Matthew Gentzkow,
- Winter Mason,
- Arjun Wilkins,
- Pablo Barberá,
- Taylor Brown,
- Juan Carlos Cisneros,
- Adriana Crespo-Tenorio,
- Drew Dimmery,
- Deen Freelon,
- Sandra González-Bailón,
- Andrew M. Guess,
- Young Mie Kim,
- David Lazer,
- Neil Malhotra,
- Devra Moehler,
- Sameer Nair-Desai,
- Houda Nait El Barj,
- Brendan Nyhan,
- Ana Carolina Paixao de Queiroz,
- Jennifer Pan,
- Jaime Settle,
- Emily Thorson,
- Rebekah Tromble,
- Carlos Velasco Rivera,
- Benjamin Wittenbrink,
- Magdalena Wojcieszak,
- Saam Zahedian,
- Annie Franco,
- Chad Kiewiet De Jong,
- Natalie Jomini Stroud,
- Joshua A. Tucker
Proceedings of the National Academy of Sciences, 2024
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Journal Article
Like-Minded Sources On Facebook Are Prevalent But Not Polarizing
- Brendan Nyhan,
- Jaime Settle,
- Emily Thorson,
- Magdalena Wojcieszak,
- Pablo Barberá,
- Annie Y. Chen,
- Hunt Alcott,
- Taylor Brown,
- Adriana Crespo-Tenorio,
- Drew Dimmery,
- Deen Freelon,
- Matthew Gentzkow,
- Sandra González-Bailón,
- Andrew M. Guess,
- Edward Kennedy,
- Young Mie Kim,
- David Lazer,
- Neil Malhotra,
- Devra Moehler,
- Jennifer Pan,
- Daniel Robert Thomas,
- Rebekah Tromble,
- Carlos Velasco Rivera,
- Arjun Wilkins,
- Beixian Xiong,
- Chad Kiewiet De Jong,
- Annie Franco,
- Winter Mason,
- Natalie Jomini Stroud,
- Joshua A. Tucker
Nature, 2023
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Journal Article
How Do Social Media Feed Algorithms Affect Attitudes and Behavior in an Election Campaign?
- Andrew M. Guess,
- Neil Malhotra,
- Jennifer Pan,
- Pablo Barberá,
- Hunt Alcott,
- Taylor Brown,
- Adriana Crespo-Tenorio,
- Drew Dimmery,
- Deen Freelon,
- Matthew Gentzkow,
- Sandra González-Bailón,
- Edward Kennedy,
- Young Mie Kim,
- David Lazer,
- Devra Moehler,
- Brendan Nyhan,
- Jaime Settle,
- Calos Velasco-Rivera,
- Daniel Robert Thomas,
- Emily Thorson,
- Rebekah Tromble,
- Beixian Xiong,
- Chad Kiewiet De Jong,
- Annie Franco,
- Winter Mason,
- Natalie Jomini Stroud,
- Joshua A. Tucker
Science, 2023
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Journal Article
Reshares on Social Media Amplify Political News But Do Not Detectably Affect Beliefs or Opinions
- Andrew M. Guess,
- Neil Malhotra,
- Jennifer Pan,
- Pablo Barberá,
- Hunt Alcott,
- Taylor Brown,
- Adriana Crespo-Tenorio,
- Drew Dimmery,
- Deen Freelon,
- Matthew Gentzkow,
- Sandra González-Bailón,
- Edward Kennedy,
- Young Mie Kim,
- David Lazer,
- Devra Moehler,
- Brendan Nyhan,
- Carlos Velasco Rivera,
- Jaime Settle,
- Daniel Robert Thomas,
- Emily Thorson,
- Rebekah Tromble,
- Arjun Wilkins,
- Magdalena Wojcieszak,
- Beixian Xiong,
- Chad Kiewiet De Jong,
- Annie Franco,
- Winter Mason,
- Natalie Jomini Stroud,
- Joshua A. Tucker
Science, 2023
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Journal Article
Asymmetric Ideological Segregation In Exposure To Political News on Facebook
- Sandra González-Bailón,
- David Lazer,
- Pablo Barberá,
- Meiqing Zhang,
- Hunt Alcott,
- Taylor Brown,
- Adriana Crespo-Tenorio,
- Deen Freelon,
- Matthew Gentzkow,
- Andrew M. Guess,
- Shanto Iyengar,
- Young Mie Kim,
- Neil Malhotra,
- Devra Moehler,
- Brendan Nyhan,
- Jennifer Pan,
- Caros Velasco Rivera,
- Jaime Settle,
- Emily Thorson,
- Rebekah Tromble,
- Arjun Wilkins,
- Magdalena Wojcieszak,
- Chad Kiewiet De Jong,
- Annie Franco,
- Winter Mason,
- Joshua A. Tucker,
- Natalie Jomini Stroud
Science, 2023
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Journal Article
Trumping Hate on Twitter? Online Hate Speech in the 2016 U.S. Election Campaign and its Aftermath.
- Alexandra A. Siegel,
- Evgenii Nikitin,
- Pablo Barberá,
- Joanna Sterling,
- Bethany Pullen,
- Richard Bonneau,
- Jonathan Nagler,
- Joshua A. Tucker
Quarterly Journal of Political Science, 2021
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Analysis
Is Social Media to Blame for Violence at the U.S. Capitol?
This explains how social media can both weaken — and strengthen — democracy. Groups opposed to fundamental tenets of liberal democracy also have found their megaphone.

January 7, 2021
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Journal Article
Automated Text Classification of News Articles: A Practical Guide
- Pablo Barberá,
- Amber E. Boydstun,
- Suzanna Linn,
- Ryan McMahon,
- Jonathan Nagler
Political Analysis, 2021
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Journal Article
Who Leads? Who Follows? Measuring Issue Attention and Agenda Setting by Legislators and the Mass Public Using Social Media Data
- Pablo Barberá,
- Andreu Casas,
- Jonathan Nagler,
- Patrick J. Egan,
- Richard Bonneau,
- John T. Jost,
- Joshua A. Tucker
American Political Science Review, 2019
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Working Paper
Social Media, Political Polarization, and Political Disinformation: A Review of the Scientific Literature
- Joshua A. Tucker,
- Andrew M. Guess,
- Pablo Barberá,
- Cristian Vaccari,
- Alexandra A. Siegel,
- Sergey Sanovich,
- Denis Stukal,
- Brendan Nyhan
Hewlett Foundation, 2018
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Journal Article
How Social Media Facilitates Political Protest: Information, Motivation, and Social Networks
Advances in Political Psychology, 2018
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Journal Article
From Liberation to Turmoil: Social Media and Democracy
The Journal of Democracy, 2017
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Book
Measuring Public Opinion with Social Media Data
The Oxford Handbook of Polling and Survey Methods, 2018
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Journal Article
Of Echo Chambers and Contrarian Clubs: Exposure to Political Disagreement Among German and Italian Users of Twitter
- Cristian Vaccari,
- Augusto Valeriani,
- Pablo Barberá,
- Richard Bonneau,
- John T. Jost,
- Jonathan Nagler,
- Joshua A. Tucker
Social Media and Society, 2016
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Book
Big Data, Social Media, and Protest: Foundations for a Research Agenda
- Joshua A. Tucker,
- Jonathan Nagler,
- Megan MacDuffee Metzger,
- Pablo Barberá,
- Duncan Penfold-Brown,
- Richard Bonneau
Computational Social Science: Discovery and Prediction, 2016
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Journal Article
Birds of the Same Feather Tweet Together: Bayesian Ideal Point Estimation Using Twitter Data
- Pablo Barberá
Political Analysis, 2015
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Journal Article
The Critical Periphery in the Growth of Social Protests
- Pablo Barberá,
- Ning Wang,
- Richard Bonneau,
- John T. Jost,
- Jonathan Nagler,
- Joshua A. Tucker,
- Sandra González-Bailón
PLOS ONE, 2015
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Journal Article
Tweeting From Left to Right: Is Online Political Communication More Than an Echo Chamber?
Psychological Science, 2015
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Journal Article
Political Expression and Action on Social Media: Exploring the Relationship Between Lower- and Higher-Threshold Political Activities Among Twitter Users in Italy
- Cristian Vaccari,
- Augusto Valeriani,
- Pablo Barberá,
- Richard Bonneau,
- John T. Jost,
- Jonathan Nagler,
- Joshua A. Tucker
Journal of Computer-Mediated Communication, 2015
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Report
Tweeting the Revolution: Social Media Use and the #Euromaidan protests
- Megan MacDuffee Metzger,
- Pablo Barberá,
- Duncan Penfold-Brown,
- Joshua A. Tucker
To better understand how social media is used in a protest setting, we collect data from the Euromaidan protests in Ukraine and find that social media provides a space to share information, as well as mobilize offline organization.

February 28, 2014
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