Publications for Cristian Vaccari
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Journal Articles
Hall, N-A, Chadwick, A,
Vaccari, C (2023)
Online misinformation and everyday ontological narratives of social distinction,
Media, Culture and Society, 46(3), pp.572-590, ISSN: 0163-4437. DOI:
10.1177/01634437231211678.
Chadwick, A,
Vaccari, C, Hall, N-A (2023)
What explains the spread of misinformation in online personal messaging networks? Exploring the role of conflict avoidance,
Digital Journalism, ISSN: 2167-0811. DOI:
10.1080/21670811.2023.2206038.
Chadwick, A, Hall, N-A,
Vaccari, C (2023)
Misinformation rules!? Could “group rules” reduce misinformation in online personal messaging?,
New Media and Society, ISSN: 1461-4448. DOI:
10.1177/14614448231172964.
Ross, ARN,
Vaccari, C, Chadwick, A (2022)
Russian meddling in U.S. elections: How news of disinformation’s impact can affect trust in electoral outcomes and satisfaction with democracy,
Mass Communication and Society, 25(6), pp.786-811, ISSN: 1520-5436. DOI:
10.1080/15205436.2022.2119871.
Vaccari, C, Chadwick, A, Kaiser, J (2022)
The campaign disinformation divide: believing and sharing news in the 2019 UK general election,
Political Communication, 40(1), pp.4-23, ISSN: 1058-4609. DOI:
10.1080/10584609.2022.2128948.
Chadwick, A,
Vaccari, C, Kaiser, J (2022)
The amplification of exaggerated and false news on social media: the roles of platform use, motivations, affect, and ideology,
American Behavioral Scientist, ISSN: 0002-7642. DOI:
10.1177/00027642221118264.
Vaccari, C (2022)
When journalists run for office: the effects of journalist-candidates on citizens’ populist attitudes and voting intentions,
International Journal of Communication, 16, pp.3422-3442, ISSN: 1932-8036.
Kaiser, J,
Vaccari, C, Chadwick, A (2022)
Partisan blocking: Biased responses to shared misinformation contribute to network polarization on social media,
Journal of Communication, 72(2), pp.214-240, ISSN: 0021-9916. DOI:
10.1093/joc/jqac002.
Vaccari, C (2021)
The International and Post-disciplinary Journey of Political Communication: Reflections on “Media-centric and Politics-centric Views of Media and Democracy: A Longitudinal Analysis of Political Communication and the International Journal of Press/Politics”,
Political Communication: an international journal, ISSN: 1058-4609. DOI:
10.1080/10584609.2021.1966599.
Freeman, D, Lambe, S, Yu, L-M, Freeman, J, Chadwick, A,
Vaccari, C, Waite, F, Rosebrock, L, Petit, A, Vanderslott, S, Lewandowsky, S, Larkin, M, Innocenti, S, McShane, H, Pollard, AJ, Loe, BS (2021)
Injection fears and COVID-19 vaccine hesitancy,
Psychological Medicine, 53(4), pp.1185-1195, ISSN: 0033-2917. DOI:
10.1017/s0033291721002609.
Freeman, D, Loe, BS, Yu, L-M, Freeman, J, Chadwick, A,
Vaccari, C, Shanyinde, M, Harris, V, Waite, F, Rosebrock, L, Petit, A, Vanderslott, S, Lewandowsky, S, Larkin, M, Innocenti, S, Pollard, AJ, McShane, H, Lambe, S (2021)
Effects of different types of written vaccination information on COVID-19 vaccine hesitancy in the UK (OCEANS-III): a single-blind, parallel-group, randomised controlled trial,
The Lancet Public Health, 6(6), ISSN: 2468-2667. DOI:
10.1016/s2468-2667(21)00096-7.
Ceccobelli, D and
Vaccari, C (2021)
A virus in the hybrid media system: How the Conte government communicated the coronavirus crisis,
Contemporary Italian Politics, 13(2), pp.259-274, ISSN: 2324-8823. DOI:
10.1080/23248823.2021.1906529.
Chadwick, A, Kaiser, J,
Vaccari, C, Freeman, D, Lambe, S, Loe, BS, Vanderslott, S, Lewandowsky, S, Conroy, M, Ross, ARN, Innocenti, S, Pollard, AJ, Waite, F, Larkin, M, Rosebrock, L, Jenner, L, McShane, H, Giubilini, A, Petit, A, Yu, L-M (2021)
Online social endorsement and Covid-19 vaccine hesitancy in the United Kingdom,
Social Media and Society, 7(2), pp.1-17, ISSN: 2056-3051. DOI:
10.1177/20563051211008817.
Freeman, D, Loe, BS, Chadwick, A,
Vaccari, C, Waite, F, Rosebrock, L, Jenner, L, Petit, A, Lewandowsky, S, Vanderslott, S, Innocenti, S, Larkin, M, Giubilini, A, Yu, L-M, McShane, H, Pollard, AJ, Lambe, S (2020)
COVID-19 vaccine hesitancy in the UK: the Oxford coronavirus explanations, attitudes, and narratives survey (Oceans) II,
Psychological Medicine, 52(14), pp.3127-3141, ISSN: 0033-2917. DOI:
10.1017/S0033291720005188.
Miller, ML and
Vaccari, C (2020)
Digital Threats to Democracy: Comparative Lessons and Possible Remedies,
International Journal of Press/Politics, 25(4), 2, ISSN: 1940-1612. DOI:
10.1177/1940161220922323.
Mazzoleni, G and
Vaccari, C (2020)
20 years of political communication scholarship: Accomplishments, changes, and challenges,
Comunicazione politica, 2020(1), pp.5-20, ISSN: 1594-6061. DOI:
10.3270/96419.
Vaccari, C, Smets, K, Heath, O (2019)
The United Kingdom 2017 election: polarisation in a split issue space,
West European Politics, 43(3), pp.587-609, ISSN: 1743-9655. DOI:
10.1080/01402382.2019.1655961.
Zilinsky, J,
Vaccari, C, Nagler, J, Tucker, JA (2019)
Don’t Republicans Tweet Too? Using Twitter to Assess the Consequences of Political Endorsements by Celebrities,
Perspectives on Politics, pp.1-17, ISSN: 1537-5927. DOI:
10.1017/s1537592719002603.
Vaccari, C (2019)
Editorial,
INTERNATIONAL JOURNAL OF PRESS-POLITICS, 24(1), pp.3-6, ISSN: 1940-1612. DOI:
10.1177/1940161218809819.
Vaccari, C and Valeriani, A (2018)
Digital Political Talk and Political Participation: Comparing Established and Third Wave Democracies,
SAGE Open, 8(2), DOI:
10.1177/2158244018784986.
Vaccari, C and Valeriani, A (2018)
Dual screening, public service broadcasting, and political participation in eight Western democracies,
International Journal of Press/Politics, 23(3), pp.367-388, ISSN: 1940-1612. DOI:
10.1177/1940161218779170.
Chadwick, A,
Vaccari, C, O'Loughlin, B (2018)
Do tabloids poison the well of social media? Explaining democratically dysfunctional news sharing,
New Media and Society, 20(11), pp.4255-4274, ISSN: 1461-4448. DOI:
10.1177/1461444818769689.
Tucker, J, Guess, A, Barbera, P,
Vaccari, C, Siegel, A, Sanovich, S, Stukal, D, Nyhan, B (2018)
Social Media, Political Polarization, and Political Disinformation: A Review of the Scientific Literature,
SSRN Electronic Journal, DOI:
10.2139/ssrn.3144139.
Vaccari, C and Wagemann, C (2018)
Outsiders looking in and insiders looking out: A comparative study of newspaper coverage of Italian-German relationships in the 2013 elections,
Contemporary Italian Politics, 10(1), pp.76-95, ISSN: 2324-8823. DOI:
10.1080/23248823.2018.1435198.
Valeriani, A and
Vaccari, C (2017)
Political talk on mobile instant messaging services: a comparative analysis of Germany, Italy, and the UK,
Information, Communication and Society, 21(11), pp.1715-1731, ISSN: 1369-118X. DOI:
10.1080/1369118X.2017.1350730.
Chadwick, A, O'Loughlin, B,
Vaccari, C (2017)
Why people dual screen political debates and why it matters for democratic engagement,
Journal of Broadcasting & Electronic Media, 61(2), pp.220-239, ISSN: 0883-8151. DOI:
10.1080/08838151.2017.1309415.
O'Loughlin, B,
Vaccari, C, Ozgul, BA, Dennis, J (2017)
Twitter and Global Political Crises,
Middle East Journal of Culture and Communication, 10(2-3), pp.175-203, ISSN: 1873-9857. DOI:
10.1163/18739865-01002006.
Vaccari, C (2016)
Online Mobilization in Comparative Perspective: Digital Appeals and Political Engagement in Germany, Italy, and the United Kingdom,
Political Communication, 34(1), pp.69-88, ISSN: 1058-4609. DOI:
10.1080/10584609.2016.1201558.
Vaccari, C, Valeriani, A, Barberá, P, Jost, JT, Nagler, J, Tucker, JA (2016)
Of Echo Chambers and Contrarian Clubs: Exposure to Political Disagreement Among German and Italian Users of Twitter,
Social Media and Society, 2(3), ISSN: 2056-3051. DOI:
10.1177/2056305116664221.
Vaccari, C and Valeriani, A (2016)
Party Campaigners or Citizen Campaigners? How Social Media Deepen and Broaden Party-Related Engagement,
International Journal of Press/Politics, 21(3), pp.294-312, ISSN: 1940-1612. DOI:
10.1177/1940161216642152.
Campus, D, Ceccarini, L,
Vaccari, C (2015)
What a Difference a Critical Election Makes: Social Networks and Political Discussion in Italy Between 2008 and 2013,
International Journal of Public Opinion Research, 27(4), pp.588-601, ISSN: 0954-2892. DOI:
10.1093/ijpor/edv045.
Valeriani, A and
Vaccari, C (2015)
Accidental exposure to politics on social media as online participation equalizer in Germany, Italy, and the United Kingdom,
New Media and Society, 18(9), pp.1857-1874, ISSN: 1461-4448. DOI:
10.1177/1461444815616223.
Vaccari, C, Chadwick, A, O'Loughlin, B (2015)
Dual screening the political: media events, social media, and citizen engagement,
Journal of Communication, 65(6), pp.1041-1061, ISSN: 0021-9916. DOI:
10.1111/jcom.12187.
Vaccari, C (2015)
The features, impact and legacy of Berlusconi's campaigning techniques, language and style,
Modern Italy, 20(1), pp.25-39, ISSN: 1353-2944. DOI:
10.1080/13532944.2014.985583.
Vaccari, C, Valeriani, A, Barbera, P, Bonneau, R, Jost, JT, Nagler, J, Tucker, JA (2015)
Political expression and action on social media: Exploring the relationship between lower- and higher-threshold political activities among Twitter users in Italy,
Journal of Computer-Mediated Communication, 20(2), pp.221-239, DOI:
10.1111/jcc4.12108.
Vaccari, C (2014)
You’ve Got (No) Mail: How Parties and Candidates Respond to E-mail Inquiries in Western Democracies,
Journal of Information Technology & Politics, 11(2), pp.245-258, ISSN: 1933-1681. DOI:
10.1080/19331681.2014.899536.
VACCARI, C and MORINI, M (2014)
The Power of Smears in Two American Presidential Campaigns,
Journal of Political Marketing, 13(1-2), pp.19-45, ISSN: 1537-7857. DOI:
10.1080/15377857.2014.866021.
Nielsen, RK and
Vaccari, C (2013) Do People "Like" Candidates on Facebook? Not Really: Large-Scale Direct Candidate-to-Voter Online Communication as an Outlier Phenomenon,
International Journal of Communication, pp.2333-2356, ISSN: 1932-8036.
Vaccari, C and Nielsen, RK (2013)
What Drives Politicians' Online Popularity? An Analysis of the 2010 U.S. Midterm Elections,
Journal of Information Technology & Politics, 10(2), pp.208-222, ISSN: 1933-1681. DOI:
10.1080/19331681.2012.758072.
Vaccari, C (2013)
From echo chamber to persuasive device? Rethinking the role of the Internet in campaigns,
New Media & Society, 15(1), pp.109-127, ISSN: 1461-4448. DOI:
10.1177/1461444812457336.
Vaccari, C and Valeriani, A (2013)
Follow the leader! Direct and indirect flows of political communication during the 2013 Italian general election campaign,
New Media and Society, 17(7), pp.1025-1042, ISSN: 1461-4448. DOI:
10.1177/1461444813511038.
Vaccari, C, Valeriani, A, Barberá, P, Bonneau, R, Jost, JT, Nagler, J, Tucker, J (2013)
Social media and political communication: A survey of twitter users during the 2013 Italian general election,
Italian Political Science Review, 43(3), pp.381-410, ISSN: 0048-8402. DOI:
10.1426/75245.
Vaccari, C (2013)
A tale of two e-parties: Candidate websites in the 2008 US presidential primaries,
Party Politics, 19(1), pp.19-40, ISSN: 1354-0688. DOI:
10.1177/1354068810391287.
Vaccari, C (2011)
THE NEWS MEDIA AS NETWORKED POLITICAL ACTORS: How Italian media are reclaiming political ground by harnessing online participation,
Information Communication and Society, 14(7), pp.981-997, ISSN: 1369-118X. DOI:
10.1080/1369118X.2011.572984.
Vaccari, C (2010)
“Technology Is a Commodity”: The Internet in the 2008 United States Presidential Election,
Journal of Information Technology & Politics, 7(4), pp.318-339, ISSN: 1933-1681. DOI:
10.1080/19331681003656664.
Campus, D, Pasquino, G,
Vaccari, C (2008)
Social Networks, Political Discussion, and Voting in Italy: A Study of the 2006 Election,
Political Communication, 25(4), pp.423-444, ISSN: 1058-4609. DOI:
10.1080/10584600802427039.
Vaccari, C (2008)
From the air to the ground: the internet in the 2004 US presidential campaign,
New Media & Society, 10(4), pp.647-665, ISSN: 1461-4448. DOI:
10.1177/1461444808093735.
Vaccari, C (2008)
Surfing to the Élysée: The Internet in the 2007 French Elections,
French Politics, 6(1), pp.1-22, ISSN: 1476-3419. DOI:
10.1057/palgrave.fp.8200139.
Vaccari, C (2008)
Research Note: Italian Parties' Websites in the 2006 Elections,
European Journal of Communication, 23(1), pp.69-77, ISSN: 0267-3231. DOI:
10.1177/0267323107085839.
Vaccari, C (2007)
Le elezioni di metà mandato negli Stati Uniti del 2006: un refrendum contro Bush e per il governo diviso,
Quaderni dell'Osservatorio elettorale QOE - IJES , 57(1), pp.85-120, ISSN: 0392-6753. DOI:
10.36253/qoe-10225.
Conferences
Castano, S, Ferrara, A, Gallinucci, E, Golfarelli, M, Montanelli, S, Mosca, L, Rizzi, S,
Vaccari, C (2018)
SABINE: A multi-purpose dataset of semantically-annotated social content. In
International Semantic Web Conference, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Monterey, CA, USA, pp.70-85, ISBN: 9783030006679. DOI:
10.1007/978-3-030-00668-6_5.
Books
Vaccari, C and Valeriani, A (2021) Outside the Bubble Social Media and Political Participation in Western Democracies, Oxford University Press, ISBN: 9780190858476.
Vaccari, C (2013) Digital politics in western democracies: A comparative study, Johns Hopkins University Press, ISBN: 9781421411194.
Chapters
Ritchie, N, Wring, D, Rafter, K,
Vaccari, C (2022)
A Gulf Across the Irish Sea? The European Election Campaigns in the United Kingdom and the Republic of Ireland. In
The 2019 European Electoral Campaign: in the Time of Populism and Social Media, pp.159-178, ISBN: 9783030989927. DOI:
10.1007/978-3-030-98993-4_9.
Ross, ARN, Chadwick, A,
Vaccari, C (2021)
Digital media and the proliferation of public opinion cues online: biases and vulnerabilities in the new attention economy. In Morrison, J, Birks, J, Berry, M (ed)
The Routledge Companion to Political Journalism, Routledge, pp.241-251, ISBN: 9780367248222. DOI:
10.4324/9780429284571.
Ross, ARN, Chadwick, A, Vaccari, C (Accepted for publication) Digital Media and the Proliferation of Public Opinion Cues Online: Biases and Vulnerabilities in the New Attention Economy. In Morrison, J, Birks, J, Berry, M (ed) The Routledge Companion to Political Journalism, Routledge, 22, ISBN: 9780367248222.
Armitage, R and
Vaccari, C (2021) Misinformation and disinformation. In
The Routledge Companion to Media Disinformation and Populism, pp.38-48, ISBN: 9780367435769.
Deacon, D, Wring, D, Smith, D,
Vaccari, C (2020)
Here, There and Everywhere: Brexit and the Mainstream News Coverage During the 2019 General Election. In Mair, J, Clark, T, Fowler, N, Snoddy, R, Tait, R (ed)
Brexit, Boris and the Media, Theschoolbook.com, pp.1-14, ISBN: 9781845497644.
Barberá, P,
Vaccari, C, Valeriani, A (2017) Social Media, Personalization of News Reporting, and Media Systems' Polarization in Europe. In Barisione, M and Michailidou, A (ed)
Social Media and European Politics Rethinking Power and Legitimacy in the Digital Era, Palgrave Macmillan, pp.25-52, ISBN: 9781137598905.
Mosca, L,
Vaccari, C, Valeriani, A (2016)
An internet-fuelled party? The movimento 5 stelle and the web. In
Beppe Grillo's Five Star Movement: Organisation, Communication and Ideology, pp.127-151, ISBN: 9781472436634. DOI:
10.4324/9781315569062-12.
Vaccari, C (2015) Blogging, Political. In Mazzoleni, G (ed)
The International Encyclopedia of Political Communication, 3 Volume Set, John Wiley & Sons, pp.65-72, ISBN: 9781118290750.
Mosca, L,
Vaccari, C, Valeriani, A (2015) How to Select Citizen Candidates: The Five Star Movement's Online Primaries and their Implications'. In De Petris, A and Poguntke, T (ed)
Anti-Party Parties in Germany and Italy, LUISS University Press, pp.165-192, ISBN: 978-88-6856-028-7.
Vaccari, C (2015)
A Europe wide web?: Political parties' websites in the 2009 European parliament elections. In Solo, A (ed)
Political Campaigning in the Information Age, IGI Global, pp.2078-2099, ISBN: 9781466683600. DOI:
10.4018/978-1-4666-8358-7.ch107.
Mosca, L,
Vaccari, C, Valeriani, A (2015) An internet-fuelled party? The movimento 5 stelle and the web. In
Beppe Grillo's Five Star Movement: Organisation, Communication and Ideology, pp.127-152, ISBN: 9781472436634.
Vaccari, C (2013)
City Hall 2.0?: Italian local executive officials’ presence and popularity on Web 2.0 platforms. In
Politics and the Internet in Comparative Context: Views from the Cloud, pp.169-185, ISBN: 9780203798331. DOI:
10.4324/9780203798331.
Vaccari, C (2012)
The news media as networked political actors: How italian media are reclaiming political ground by harnessing online participation. In
Social Media and Democracy: Innovations in Participatory Politics, pp.77-90, ISBN: 9780203126974. DOI:
10.4324/9780203126974.
Vaccari, C (2012)
Online participation in Italy: Contextual influences and political opportunities. In
Digital Media and Political Engagement Worldwide: A Comparative Study, Cambridge University Press, pp.138-159, ISBN: 9781139108881. DOI:
10.1017/CBO9781139108881.008.
Vaccari, C (2012)
The news media as networked political actors: How Italian media are reclaiming political ground by harnessing online participation. In
Social Media and Democracy: Innovations in Participatory Politics, pp.77-90, ISBN: 9780415683708. DOI:
10.4324/9780203126974-12.
Vaccari, C (2010) Missed Opportunities: The Debate on Immigrants' Voting Rights in Italian Newspapers and Television. In Ardizzoni, M and Ferrari, C (ed)
Beyond Monopoly Globalization and Contemporary Italian Media, Lexington Books, pp.203-224, ISBN: 9780739128510.
Grandi, R and
Vaccari, C (2009) Election Campaigning and the New Media. In Albertazzi, Brook, Ross, Rothenberg, (ed)
Resisting the Tide Cultures of Opposition Under Berlusconi (2001-06), Continuum, pp.46-56, ISBN: 9780826492913.
Vaccari, C (2009) Web Challenges to Berlusconi: An Analysis of Oppositional Sites. In Albertazzi, Brook, Ross, Rothenberg, (ed)
Resisting the Tide Cultures of Opposition Under Berlusconi (2001-06), Continuum, pp.135-147, ISBN: 9780826492913.
Vaccari, C (2006) Meet "Silvio" and "Romano": Political Communication as Personal Storytelling. In Frosini, J and Pasquino, G (ed)
For a Fistful of Votes: The 2006 Italian Elections, CLUEB, pp.75-101, ISBN: 9788849126877.
Reports
Hall, N-A, Lawson, B,
Vaccari, C, Chadwick, A (2023)
Beyond quick fixes: How users make sense of misinformation warnings on personal messaging, pp.1-42, Online Civic Culture Centre, Loughborough University.
Chadwick, A,
Vaccari, C, Hall, N-A (2022)
Covid vaccines and online personal messaging: the challenge of challenging everyday misinformation.
Chadwick, A and
Vaccari, C (2019)
News sharing on UK social media: misinformation, disinformation, and correction.
Datasets
Ross, ARN,
Vaccari, C, Chadwick, A (2023)
Supplementary information files for Russian meddling in U.S. elections: How news of disinformation’s impact can affect trust in electoral outcomes and satisfaction with democracy, DOI:
10.17028/rd.lboro.21904452.
Vaccari, C, Chadwick, A, Kaiser, J (2022)
Supplementary information files for The Campaign Disinformation Divide: Believing and Sharing News in the 2019 UK General Election, DOI:
10.17028/rd.lboro.21395127.
Chadwick, A,
Vaccari, C, Kaiser, J (2022)
Supplementary information for The amplification of exaggerated and false news on social media: the roles of platform use, motivations, affect, and ideology, DOI:
10.17028/rd.lboro.21270702.
Chadwick, A, Kaiser, J,
Vaccari, C, Freeman, D, Lambe, S, Loe, BS, Vanderslott, S, Lewandowsky, S, Conroy, M, Ross, ARN, Innocenti, S, Pollard, AJ, Waite, F, Larkin, M, Rosebrock, L, Jenner, L, McShane, H, Giubilini, A, Petit, A, Yu, L-M (2021)
Supplementary Information Files for: Online social endorsement and Covid-19 vaccine hesitancy in the United Kingdom, DOI:
10.17028/rd.lboro.16732807.
Freeman, D, Loe, BS, Chadwick, A,
Vaccari, C, Waite, F, Rosebrock, L, Jenner, L, Petit, A, Lewandowsky, S, Vanderslott, S, Innocenti, S, Larkin, M, Giubilini, A, Yu, L-M, McShane, H, Pollard, AJ, Lambe, S (2021)
Supplementary Information Files for Covid-19 vaccine hesitancy in the UK: The Oxford Coronavirus explanations, attitudes, and narratives survey (OCEANS) II, DOI:
10.17028/rd.lboro.13573595.
Freeman, D, Loe, BS, Chadwick, A,
Vaccari, C, Waite, F, Rosebrock, L, Jenner, L, Petit, A, Lewandowsky, S, Vanderslott, S, Innocenti, S, Larkin, M, Giubilini, A, Yu, L-M, McShane, H, Pollard, AJ, Lambe, S (2021)
Supplementary Information Files for Covid-19 vaccine hesitancy in the UK: The Oxford Coronavirus explanations, attitudes, and narratives survey (OCEANS) II, DOI:
10.17028/rd.lboro.13573811.
