Prof. Dr. Hartmut Wessler
Project director
University Mannheim
B 6, 30-32 425
68159 Mannheim
Phone: +49-621-181-2300B 6, 30-32 425
68159 Mannheim
E-Mail: wessler@uni-mannheim.de
Projekte — current
- Medienvermittelte Auseinandersetzung im internationalen und intermedialen Vergleich
- Nachhaltige Medienevents? Produktion und diskursive Wirkung globaler inszenierter politischer Medienevents am Beispiel des Klimawandels
- Verantwortliche Terrorismusberichterstattung: Ein globaler Vergleich der Medienberichterstattung über Terrorismus von 1945 bis heute
- Erfahrungen von Alltagsrassismus und medienvermittelter Rassismus in der (politischen) Öffentlichkeit
- Impliziter und expliziter Rassismus in Nachrichtenmedien und sozialen Medien
- Verantwortliche Terrorismusberichterstattung - Teil 2 (ResTeCo-2)
Publikation — recent
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(2026): What kind of depolarization should we aim for? Making communication transformative. Political Communication, tba, tba, 1-8. More
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(2025): How Alternative Are Alternative Media? Analyzing Speaker and Topic Diversity in Mainstream and Alternative Online Outlets. Digital Journalism, 13, 2, 288–308. More
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(2024): Challenging the Global Cultural Conflict Narrative: An Automated Content Analysis on How Perpetrator Identity Shapes Worldwide News Coverage of Islamist and Right-Wing Terror Attacks. International Journal of Press-Politics, 29, 4, 1064-1089. More
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(2024): Discourse integration in positional online news reader comments: Patterns of responsiveness across types of democracy, digital platforms, and perspective camps. New Media & Society, 26, 11, 6796-6814. More
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(2024): How shared ties and journalistic cultures shape global news coverage of disruptive media events: The case of the 9/11 terror attacks. Journal of Communication, 74, 3, 183–197. More
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(2024): Unpacking the determinants of outrage and recognition in public discourse: Insights across socio-cultural divides, political systems, and media types. International Journal of Press/Politics, 29, 1, 273–294. More
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(2023): Is Constructive Engagement Online a Lost Cause? Toxic Outrage in Online User Comments Across Democratic Political Systems and Discussion Arenas. Communication Research, 50, 4, 508–531. More
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(2023): Differential Racism in the News: Using Semi-Supervised Machine Learning to Distinguish Explicit and Implicit Stigmatization of Ethnic and Religious Groups in Journalistic Discourse. Political Communication, 40, 4, 396-414. More
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(2023): The Integrative Complexity of Online User Comments Across Different Types of Democracy and Discussion Arenas. The International Journal of Press/Politics, 28, 3, 580-600. More
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(2022): Linking event archives to news: a computational method for analyzing the gatekeeping process. Communication Methods and Measures, 16, 1, 59-78. More
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(2022): Expert-informed topic models for document set discovery. Communication Methods and Measures, 16, 1, 39-58. More
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(2022): Multiperspectival Normative Assessment: The Case of Mediated Reactions to Terrorism. Communication Theory, 32, 3, 363–386. More
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(2022): Enhancing Theory-Informed Dictionary Approaches with “Glass-box” Machine Learning: The Case of Integrative Complexity in Social Media Comments. Communication Methods and Measures, 16, 4, 303-320. More
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(2022): Mapping emerging and legacy outlets online by their democratic functions – agonistic, deliberative or corrosive?. The International Journal of Press/Politics, 27, 2, 417-438. More
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(2022): Ein Ideenforum für die „Vorsondierungen“ der Kommunikationswissenschaft. Publizistik: Vierteljahreshefte für Kommunikationsforschung, 67, 9-17. More
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(2021): Four best practices for measuring news sentiment using ‘off-the-shelf’ dictionaries: a large-scale p-hacking experiment. Computational Communication Research, 3, 1, 1-27. More
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(2021): The Event-Centered Nature of Global Public Spheres: The UN Climate Change Conferences, Fridays for Future, and the (Limited) Transnationalization of Media Debates. International Journal of Communication, 15, 688–714. More
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(2021): Mediated Deliberation in Deep Conflicts: How Might Deliberative Media Content Contribute to Social Integration Across Deep Divides?. Journal of Deliberative Democracy, 17, 2, 69-80. More
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(2020): Öffentliche Kommunikation in Zeiten künstlicher Intelligenz. Warum und wie die Kommunikationswissenschaft Licht in die Black Box soziotechnischer Innovationen bringen sollte. Publizistik, 65, 3, 307-331. More
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(2020): How Combining Terrorism, Muslim, and Refugee Topics Drives Emotional Tone in Online News: A Six-Country Cross-Cultural Sentiment Analysis. International Journal of Communication, 14, 3569–3594. More
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(2020): Reproducible Extraction of Cross-lingual Topics (rectr). Communication Methods and Measures, 14, 4, 285-305. More
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(2020): The trouble with sharing your privates. Pursuing ethical open science and collaborative research across national jurisdictions using sensitive data. Political Communication, 38, 1-2, 192-198. More
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(2019): Moving closer to the action: How viewers’ experiences of eyewitness videos in TV news influence the trustworthiness of the reports. Journalism & Mass Communication Quarterly, 96, 2, 367–384. More
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(2018): Journalist-source relations and the deliberative system: A network performance approach to investigating journalism’s contribution to facilitating public deliberation in a globalized world. International Communication Gazette, 80, 6, 509-531. More
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(2018): Selbstbestimmung in der digitalen Welt: Über die Vorteile eines ebenenübergreifenden normativen Basiskonzepts für die empirische Erforschung der digitalen Kommunikation. Medien & Kommunikationswissenschaft, 66, 4, 395-406. More
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(2018): Counterbalancing global media frames with nationally colored narratives: A comparative study of news narratives and news framing in the climate change coverage of five countries. Journalism, 19, 12, 1635–1656. More
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(2017): Who prevails in the visual framing contest about the UN Climate Change Conferences?. Journalism Studies, 18, 11, 1433-1452. More
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(2017): Bridging segregation via media exposure? Ingroup identification, outgroup distance, and low direct contact reduce outgroup appearance in media repertoires. Journal of Communication, 67, 6, 993–1014. More
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(2016): Offline time is quality time: Comparing within-group self-disclosure in mobile messaging applications and face-to-face interactions. Computer in Human Behavior, 55, B, 1076-1084. More
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(2016): Networks of Coproduction: How Journalists and Environmental NGOs Create Common Interpretations of the UN Climate Change Conferences. International Journal of Press/Politics, 21, 1, 25-47. More
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(2016): Global multimodal news frames on climate change. A comparison of five democracies around the world. International Journal of Press/Politics, 21, 4, 423-445. More
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(2016): Should we be Charlie? A deliberative take on religion and secularism in mediated public spheres. Journal of Communication, 66, 2, 314-327. More
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(2015): Frames, Stories, and Images: The Advantages of a Multimodal Approach in Comparative Media Content Research on Climate Change. Environmental Communication, 9, 4, 469-490. More
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(2015): Der mediatisierte Lebenswandel - Permanently online, permanently connected. Publizistik, 60, 3, 259-276. More
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(2014): Transnational communication as deliberation, ritual and strategy. Communication Theory, 24, 4, 394-414. More
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(2014): Deliberative performance of television news in three types of democracy: Insights from the United States, Germany, and Russia. Journal of Communication, 64, 5, 827-851. More
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(2013): Deliberative qualities of generic news frames: Assessing the democratic value of strategic game and contestation framing in election campaign coverage. Political Communication, 30, 3, 474-494. More
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(2024): Medienvermittelter Rassismus: Theoretische Konzeptualisierung, ein Vorschlag zur Messbarmachung und mögliche Gegenmaßnahmen. [69. Jahrestagung der Deutschen Gesellschaft für Publizistik- und Kommunikationswissenschaft (DGPuK), Erfurt, 13/03/2024 - 15/03/2024]. More
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(2023): How can AI help to improve democratic public debate?. [Düsseldorf AI Conference 2023 "Chances and Challenges of AI-driven Decision-Making" , Düsseldorf, 19/06/2023 - 19/06/2023]. More
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(2023): Public sphere theory in the age of generative artificial intelligence: Some thoughts on an unlikely alliance. [Public Sphere in the Age of Conflict and Systemic Crises, London, 07/09/2023 - 08/09/2023]. More
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(2023): One language model fits all? On the challenges of adopting an automated measure of racialized group stigmatization for Tweets. [73rd Annual Conference of the International Communication Association (ICA), Toronto, 25/05/2023 - 29/05/2023]. More
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(2022): Gruppenbezogener Rassismus im politischen Journalismus? Eine automatisierte Analyse expliziter und impliziter Stigmatisierungen ethnischer und religiöser Gruppen in der medialen Öffentlichkeit Deutschlands. [Jahrestagung der DGPuK-Fachgruppen "Journalistik/Journalismusforschung" und "Kommunikation und Politik", Trier, 29/09/2022 - 30/09/2022]. More
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(2022): Differential Racism in the News: Using Semi-Supervised Machine Learning to Distinguish Explicit and Implicit Stigmatization of Ethnic and Religious Groups in Journalistic Coverage. [72nd Annual International Communication Association Conference, Paris, 26/05/2022 - 30/05/2022]. More
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(2021): (Un)sophisticated Reasoning? The Integrative Complexity of User-Generated Debates Across Political Systems and Online Discussion Arenas. [71th Annual International Communication Association Conference, (virtual conference), 27/05/2021 - 31/05/2021]. More
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(2021): The (De)civilizing Impact of an Inclusive Actor Set in News Articles on Associated User Debates. [Three-Country Conference on Communication Science - DACH 21, (virtual conference), 07/04/2021 - 09/04/2021]. More
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(2021): The End of Constructive Engagement Online? Toxic Outrage in User-Generated Debates Across Political Systems and Online Discussion Arenas. [71th Annual International Communication Association Conference, Preconference: Comparative Perspectives on Negativity, Incivility, and Toxic Talk, (virtual conference), 27/05/2021 - 27/05/2021]. More
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(2021): Estimation of differential implicit media bias. [71st Annual International Communication Association Conference, (virtual conference), 27/05/2021 - 31/05/2021]. More
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(2020): Is It Easier to Scare Us or Piss Us Off? The Impact of Terrorist Attacks on News Discourse Across 74 Years of New York Times Reporting. [70th Annual International Communication Association Conference, (virtual conference), 20/05/2020 - 26/05/2020]. More
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(2020): Are Right-Wing Attackers Also Terrorists? An Automated Content Analysis on How Perpetrator Identity Shapes Worldwide English-Language News Coverage of Islamist and Right-Wing Attacks. [70th Annual International Communication Association Conference, (virtual conference), 20/05/2020 - 26/05/2020]. More
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(2020): Reproducible Extraction of Cross-Lingual Topics Using R. [70th Annual International Communication Association Conference, (virtual conference), 20/05/2020 - 26/05/2020]. More
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(2020): Media Portrayal of Terrorist Events: Using Computational Text Analysis to Link News Items to the Global Terrorism Database. [70th Annual International Communication Association Conference, (virtual conference), 20/05/2020 - 26/05/2020]. More
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(2020): Suspect by Association: Untangling Semantic Relations Between Muslim Communities and Terrorism in the News. [70th Annual International Communication Association Conference, (virtual conference), 20/05/2020 - 26/05/2020]. More
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(2020): What Facilitates Constructive Engagement? A Dictionary-Based Comparison of Outrage and Recognition Across Online Platforms. [70th Annual International Communication Association Conference, (virtual conference), 20/05/2020 - 26/05/2020]. More
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(2020): What Promotes Sophisticated Reasoning? The Integrative Complexity of User-Generated Political Debates Across Different Types of Democracy and Online Discussion Arenas. [11th Colloquium of the Nachwuchsnetzwerk politische Kommunikation (NapoKo), (virtual conference), 26/11/2020 - 27/11/2020]. More
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(2019): Emotional underpinnings of constructive engagement. Rereading deliberative theory. [Workshop "Engaging the Skeptics?! Epistemic (In)Justice, Public Participation, and Moral Expertise in Health Discourses", Göttingen, 04/03/2019 - 05/03/2019]. More
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(2019): Emotional underpinnings of deliberation. [69th Annual ICA Conference, Washington, DC, 24/05/2019 - 28/05/2019]. More
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(2019): Responsible terrorism coverage. How media can cover attacks without serving terrorist agendas. [Hertie School of Governance: Frontline Research on Terrorism Event Series, Berlin, 30/09/2019 - 30/09/2019]. More
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(2019): Which norms of public communication apply in autocratic contexts?. [Workshop "Theorizing Publics under Authoritarian Rule", Berlin, 19/06/2019 - 21/06/2019]. More
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(2019): Using ‘off-the-shelf’ sentiment dictionaries without revalidation: a p-hacking experiment. [5th International Conference on Computational Social Science (IC2S2), Amsterdam, 17/07/2019 - 20/07/2019]. More
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(2019): The episodic nature of global public spheres: The UN Climate Change Conferences and the transnationalization of media debates. [69th Annual ICA Conference, Washington, DC, 24/05/2019 - 28/05/2019]. More
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(2019): Three entry points for a deliberative theory of emotions. [Lubral 2019 - II International Symposium on Philosophy and Communication: Luso-Brazilian-German, Covilha, 26/06/2019 - 29/06/2019]. More
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(2018): Using Text Analytics Methods to Provide New Insights for Research on Contentious Processes. [Text Analytics Applications for Monitoring and Understanding Contentious Processes, Urbana, IL, 31/01/2018 - 04/02/2018]. More
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(2018): From Textual-Plus-Visual to Multimodal Framing Analysis. [68th Annual ICA Conference, Prague, 24/05/2018 - 28/05/2018]. More
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(2018): Comparing sentiments in media coverage on refugees, Islam and terrorism. A six-country study. [SCANPUB Summer Symposium, Bergen, 30/08/2018 - 31/08/2018]. More
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(2018): How Can Communication Support Constructive Engagement Across Deep Divides?. [Symposium "The Shifting Landscape of Public Communication", Seattle, WA, 25/10/2018 - 26/10/2018]. More
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(2017): Big-Data-Forschung als Interaktion zwischen Topic Models und Expertendaten: Ein neuer Ansatz zur Erfassung der thematischen Vernetzung nationaler Onlinedebatten. [62nd Annual Conference of the German Communication Association (DGPuK), Heinrich-Heine Universität, Düsseldorf, 30/03/2017 - 01/04/2017]. More
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(2017): Combining expert surveys and topic modeling to identify unknown issues in multinational media discourses. [67th Annual Conference of the International Communication Association, San Diego, CA, 26/05/2017 - 29/05/2017]. More
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(2017): Journalist-source relations and the deliberative system: A network performance approach to investigating journalism‘s contributions to facilitating public deliberation in a globalized world. [67th Annual Conference of the International Communication Association, San Diego, CA, 25/05/2017 - 29/05/2017]. More
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(2017): Against false oppositions: Rediscovering mediated deliberation in non-deliberative contexts. [67th Annual Conference of the International Communication Association, San Diego, CA, 25/05/2017 - 29/05/2017]. More
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(2016): Global convergence or national segmentation? The discursive role of the UN Climate Change Conferences in the transnational mediated public sphere. [Launch Conference of the University of Brighton Centre for Research in Spatial, Environmental and Cultural Politics, University of Brighton, UK, 28/04/2016 - 29/04/2016]. More
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(2016): Measuring mediated contestation: Four dimensions of democratic news cultures. [International Communication Association Preconference on "Media Performance and Democracy: Defining and Measuring the Quality of News", Fukuoka, 09/06/2016 - 09/06/2016]. More
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(2016): Big data research as interaction between topic models and expert data: A new approach to capturing national online debates. [3rd GESIS Computational Social Science Winter Symposium 2016, Cologne, Germany, 30/11/2016 - 01/12/2016]. More
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(2015): Global Coverage of Climate Change Stories about Small Island Developing States: A Worldwide Comparison from 1979 to 2012. [65th Annual Conference of the International Communication Association (ICA), San Juan, Puerto Rico, 21/05/2015 - 25/05/2015]. More
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(2015): Strengthening the systemic approach to deliberation in political communication research. [Third Colloquium Deliberative System and Interconnected Media, Belo Horizonte, 04/11/2015 - 06/11/2015]. More
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(2015): Methodological perspectives for a systemic approach to deliberation. [Third Colloquium Deliberative System and Interconnected Media, Belo Horizonte, 04/11/2015 - 06/11/2015]. More
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(2015): Multiperspectival normative assessment of political media content. [Third Colloquium Deliberative System and Interconnected Media, Belo Horizonte, 04/11/2015 - 06/11/2015]. More
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(2015): Networks of coproduction: How journalists and NGOs interact during UN climate change conferences. [International Conference "Transnational Mega-Events and Global Environmental Governance", Institut des sciences de la communication, Paris, 06/07/2015 - 06/07/2015]. More
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(2015): Achieving citizenship through communication: Five types of mediated participation in the Egyptian uprising 2011. [65th Annual Conference of the International Communication Association (ICA), San Juan, Puerto Rico, 21/05/2015 - 25/05/2015]. More
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(2015): Wikiganda: How neutral is Wikipedia?. [BreMM15: Second Bremen Conference on Multimodality, Universität Bremen, 21/09/2015 - 22/09/2015]. More
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(2015): Global multimodal news frames on climate change. [65th Annual Conference of the International Communication Association (ICA), San Juan, Puerto Rico, 21/05/2015 - 25/05/2015]. More
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(2014): Mediendebatten und politische Deutungen in der Klimadiskussion. [2. Oldenburger Symposium energy 2050, Oldenburg, 13/05/2014 - 14/05/2014]. More
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(2014): On the Use of Different Modalities in Political Communication: Evidence from German Election Manifestos. [First Bremen Conference on Multimodality "Bridging the Gap between Here and There: Combining Multimodal Analysis from International Perspectives", University of Bremen, 10/09/2014 - 13/09/2014]. More
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(2014): Sustainable media events? Media coverage of the UN climate conferences in democratic countries. [5th European Communication Conference of the European Communication Research and Education Association (ECREA), Lisbon, 12/11/2014 - 15/11/2014]. More
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(2014): Visual strategies and representations: How journalists and PR professionals coproduce the images of climate change.. [64th Annual Conference of the International Communication Association (ICA), Seattle, WA, 22/05/2014 - 26/05/2014]. More
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(2014): Automatic Classification of Iconic Images Based on a Multimodal Model. An Interdisciplinary Project. [First Bremen Conference on Multimodality 'Bridging the Gap between Here and There: Combining Multimodal Analysis from International Perspectives', Universität Bremen, 10/09/2014 - 13/09/2014]. More
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(2013): Multiperspectival normative assessment of mediated contestation. [Annual Conference of the International Communication Association, London, 17/06/2013 - 21/06/2013]. More
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(2013): Networks of coproduction: How mainstream NGOs and journalists create common interpretations of the UN climate summits. [63rd Annual Conference of the International Communication Association (ICA), London, 17/06/2013 - 21/06/2013]. More
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(2013): Deliberative strengths and weaknesses in television news: Insights from the US, Germany, and Russia. [63rd Annual Conference of the International Communication Association, London, 17/06/2013 - 21/06/2013]. More
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(2012): Deliberative qualities of generic news frames: Assessing the democratic value of strategic game and contestation framing in election campaign coverage. [Annual Conference of the International Communication Association, Phoenix, AZ, 24/05/2012 - 28/05/2012]. More
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(2024): Differenzieller Rassismus in den Nachrichten: Implizite und explizite Stigmatisierungen. 113-130. Baden-Baden, Nomos. More
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(2021): Internetkonzerne und algorithmische Fantasie. Wie algorithmische Systeme die öffentliche Kommunikation verändern und wie Alternativen entwickelt werden können. 89-108. Frankfurt/Main, Campus. More
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(2020): Constructive engagement across deep divides – what it entails and how it changes our role as communication scholars. 137-152. Cambridge, Cambridge University Press. More
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(2018): Permanent connections around the globe. Cross-cultural differences and intercultural linkages in POPC. 188-196. New York, London, Routledge. More
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(2017): 'Wikiganda' : Detecting Bias in Multimodal Wikipedia Entries. 201-224. London, New York, Bloomsbury. More
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(2017): Journalistische Narrative in der Klimaberichterstattung: Eine vergleichende Inhaltsanalyse zur Identifikation und Erklärung journalistischer Erzählungen in Zeitungsnachrichten. 333-347. Konstanz, UVK. More
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(2015): On the Use of Different Modalities in Political Communication: Evidence from German Election Manifestos. 211-225. Frankfurt am Main, Peter Lang. More
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(2015): Automatic Classification of Iconic Images Based on a Multimodal Model. An Interdisciplinary Project. 7, 193-210. Bern, New York, Peter Lang. More
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(2012): Non-routine interactions behind the scenes of a global media event: How journalists and political PR professionals co-produced the 2010 UN climate conference in Cancún. 141-158. Baden-Baden, Nomos. More
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(2012): Grenzüberschreitende Medienkommunikation. Konturen eines Forschungsfeldes im Prozess der Konsolidierung. 5-18. Baden-Baden, Nomos. More
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(2012): Jürgen Habermas – Theoretiker und Praktiker der öffentlichen Debatte. 285-290. Konstanz, UVK. More
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(2023): Implizite und explizite Stigmatisierung von ethnisch-gelesenen Gruppen in der deutschen Medienöffentlichkeit im Jahr 2022. 4, 1-6. Mannheim, Mannheimer Zentrum für Europäische Sozialforschung (MZES). More
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(2016): Investigating mediated climate change communication: A best-practice guide. 6, 24. Jönköping, Jönköping University, School of Education and Communication. More
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(2017): Communication, negotiation, and influence at international climate change meetings and summits. Oxford, Oxford University Press. More
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