Transformation of Journalism and the Public Sphere

The research group ‘Transformation of Journalism and the Public Sphere’ examines the transformation of journalism and the public sphere through an empirical and theory-driven approach – partly to understand what this means for democratic cohesion.

Journalism and the public sphere are emerging under new circumstances today: artificial intelligence is not merely intervening from the outside, but is becoming part of society’s communicative DNA. Language models help shape the narrative, platforms pre-sort content, and recommendation systems decide what reaches the public sphere in the first place – and this is shifting the way society communicates with itself.

One focus of the research group is on communicative AI: language models and automated systems have long since ceased to be mere tools; instead, they are themselves becoming participants in social communication. They intervene deeply in the structures through which the public sphere is formed. We analyse this reciprocal appropriation: how AI permeates communicative fields such as journalism, whilst at the same time being appropriated and integrated by people and organisations.

Another strand of our research examines the role that media and communication play in fostering – or jeopardising – social cohesion, and how the social order of understanding and media usage are changing in the digital age – supported by empirical evidence, for example through surveys on the cohesion-related services provided by public service broadcasters or participation in the qualitative panel of the Research Institute for Social Cohesion. Knowledge transfer is of particular importance here: we actively contribute our findings to public discourse and to dialogue with editorial teams, educational institutions and opinion leaders.

Our research is theory-driven, interdisciplinary, methodologically open, internationally networked – and consistently conducted through dialogue-oriented exchange with practitioners and the public. As part of the Worlds of Journalism Study (WJS), the world’s largest comparative study on the state of journalism, we contribute to international journalism research.

Overview

Leaders

Last update: 24.09.2026

Blog Articles, News, Projects, Publications, Podcast Episodes

Portrait Siegried Lenz vor Hafenkulisse
Congratulations!

On the 100th Birthday of Siegfried Lenz

March 17, 2026 would have been the 100th birthday of Siegfried Lenz (1926–2014), one of the most significant postwar German authors. Dr. Hans-Ulrich Wagner offers his congratulations and points out that Lenz was extremely productive and successful in the media industry as well, working as a writer, journalist, editor, and radio playwright.

Portrait Stephan Dreyer vor Bauzaun
Podcast "Tonspur Wissen"

Would a Social Meda Ban Make Sense?

Following Australia's decision to ban social media for children under 14, Germany has also begun discussing whether teenagers should be granted access to platforms such as TikTok and Instagram at a later age. In the podcast 'Tonspur Wissen', media researcher Stephan Dreyer discusses what the scientific community knows about the risks, benefits and potential regulations.

Review of a Dissertation

Government Public Relations in New Media

For years, the democratic legitimacy of government public relations has been a topic of discussion in academic literature and constitutional jurisprudence. Tobias Mast reviews a recently published dissertation on the subject, exploring the untapped potential of interdisciplinary legal scholarship in relation to commonly accepted empirical assumptions.

Article for Friedrich-Ebert-Stiftung

Platform Badges for Civic Communication

Digital platforms have become central infrastructures for political communication and social negotiation processes. In his article, Jan Rau examines platform badges, which are tools that platforms use to fulfill their obligation to mitigate risk by creating positive incentives for users to adhere to certain communicative norms.

Cover des Arbeitspapiers
Working Paper for Download

Responsibility in the Platform Quadrangle

This working paper by Tobias Mast comments on the European Court of Justice's recent Russmedia ruling and sets out the premises for a relationship between EU legal acts in the digital single market that respects fundamental rights.

Matthias C. Kettemann
Honorable New Role

Matthias C. Kettemann New Chairman of the First Senate of the Austrian Press Council

Matthias C. Kettemann, a Professor of Innovation, Theory, and Philosophy of Law at the University of Innsbruck, and the Head of Program Area 2, "Communication Structures and Their Governance," at the HBI, was unanimously elected as the Chair of the First Senate of the Austrian Press Council.

ein Kabel führt in ein Smartphone
Project with Helmut Schmidt University

Data Collection and Analysis on TikTok and YouTube

In order to develop the best practices for collecting and analyzing data on short video platforms, Gregor Wiedemann's Media Research Methods Lab at the HBI is participating in a Helmut Schmidt University project examining the German Armed Forces' representation on TikTok and YouTube.

Eine Fernbedienung zeigt auf einen Bildschirm mit unscharfen bunten Bildern
International Cooperation Project

Euromedia Ownership Monitor

The Euromedia Ownership Monitor provides policymakers and the general public with in-depth insights into the extent of media ownership transparency in the EU. It was updated in 2025.

Cover of the special issue on datafication, 1/2026, M&K
M&K Issue 1/2026 Published Open Access

On the Datafication of Communication

The special issue of M&K titled "The Datafication of Communication: New Methodological Approaches and Challenges" has been published as Issue 1/2026. The guest editors are Julia Niemann-Lenz, Tim Schatto-Eckrodt, Emese Domahidi, and Merja Mahrt.

Portrait Judith Möller
Statement for the Science Media Center

Does the X-Feed Influence Political Opinions?

The posts that people see on platform X could influence their attitudes toward certain political issues. This was the conclusion reached by a European research team. In her statement for the Science Media Center (SMC), Judith Möller explains that, while the study confirms that media content impacts how issues are assessed, it cannot demonstrate that it fundamentally alters political attitudes.

Cover of the book
Article Published in Handbook

Growing Up in Data-Intensive and Automated (Media) Environments

Dr. Claudia Lampert examines changing usage practices and possible implications for socialization research in the chapter “Growing Up in Data-Intensive and Automated (Media) Environments” of the handbook “Media Socialization in ‘Smart’ Environments. Self- and Social Development in the Context of Datafication and Automation,” edited by Laura Sūna and Wolfgang Reißmann.

Anna von Garmissen
“Läuft” – Podcast by epd medien and Grimme Institute

Journalism between Burnout and Vocation

Media researcher and journalist Anna von Garmissen talks to host Alexander Matzkeit about the state of journalism in Germany in the podcast “Läuft” produced by epd medien and the Grimme Institute. The discussion is based on the results of three studies, which she considers alarming, and which she summarized in a guest article for epd medien.

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