Barbara Thomaß

Senior Researcher

Prof. Dr Barbara Thomaß was a postdoctoral researcher at the Leibniz Institute for Media Research │ Hans-Bredow-Institut (HBI) in the project “European Media Platforms: Assessing Positive and Negative Externalities for European Culture (EuMePlat)” from 2021 to 2024. Her work focuses on international communication, the politics and economics of media and communication, and media systems in Western and Eastern Europe. She has worked on issues of European media policy, media ethics and journalistic ethics as well as on media development cooperation and media in democratization and transformation processes.

From 2003 to 2020, Prof. Dr. Barbara Thomaß held the professorship for “Media Systems in International Comparison” at the Institute for Media Studies at the Ruhr University Bochum. There she is still co-director of the research training group “MEDAS21 Media Development Assistance in the 21st Century”. Barbara Thomaß is second deputy chairwoman of the ZDF board of directors and chairwoman of the board of the Akademie für Publizistik in Hamburg. She is a member of the European Media Research Group as well as a member of the expert committee of Deutsche Welthungerhilfe.

Barbara Thomaß studied journalism, political science and economics in Berlin and Grenoble and received her doctorate from Universität Hamburg in 1998. Since 1995, she has taught at the universities of Hamburg, Lüneburg, Bremen, Göttingen and as a guest lecturer at the Nouvelle Sorbonne in Paris, the University of Vienna and Mc Gill University in Montreal. She has also worked as a lecturer in international journalism training.

Before her academic career, she completed a newspaper traineeship and worked as a journalist for several years.

Contact information

Barbara Thomaß

Senior Researcher

Leibniz Institute for Media Research | Hans-Bredow-Institut (HBI)
Rothenbaumchaussee 36
20148 Hamburg
Germany

Veröffentlicht am: 05.07.2024

Works by Barbara Thomaß

Publikation Internet Policy Review

Can Quality Badges Improve Communication on Online Platforms?

A seal of approval for civil communication could promote successful public communication on online platforms while respecting users'freedoms. In their article 'Platform Badges for Civic Communication. An Interdisciplinary Discussion of a Risk Mitigation Measure Pursuant to Art.', Jan Rau, Jan-Ole Harfst and Dr. Tobias Mast examine various design options for such seals.

Cover of the publication
Publikation Open Access Publication

Global Media and Internet Concentration

The report offers a thorough overview of the development, economic importance, and market concentration of major companies in Germany's telecommunications, media, publishing, and internet sectors from 2019 to 2023. It places a particular focus on the growing dominance of digital platforms.

Cover der Zeitschrift "Medien & Kommunikationswissenschaft" Heft 4/2025
Publikation Available Open Access

Issue 4/2025 M&K published

Issue 4/2025 of our open access journal “Medien & Kommunikationswissenschaft" (M&K; Media & Communication Studies) has been published online via the platform Inlibra.

Cover of the Book Chapter
Publikation Chapter in Cohesion Report

The Climate Discourse on Social Media

The Social Media Observatory (SMO) examined the dynamics of climate discourse on social media for the Research Institute Social Cohesion's (RISC) second cohesion report. The study found that climate scepticism and misinformation are common in social media debates. However, it is evident that these views are significantly less prevalent in wider society.

The cover of the article "Fertility Preservation from the Patient's Perspective: Areas of Conflict and Information Needs in Social Media," published in the journal Die Onkologie
Publikation Article in the Journal Onkologie

Perspectives of Cancer Patients on Fertility Preservation Measures

Fertility preservation is a key challenge for cancer patients. A qualitative content analysis of social media posts offers insights into patient experiences and provides guidance for needs-based fertility counseling.

Cover of the Working Paper
Publikation Working Paper Available for Download

Algorithmic Competence of Young People on TikTok

A new qualitative #UseTheNews study by the Leibniz Institute for Media Research examines what teenagers and young adults know about how TikTok's algorithmic recommendation system works.

Cover of the publication
Publikation Open Access Publication

Information Systems and Troubled Democracy

Internet freedom has declined for 14 consecutive years. This publication examines how principles for regulating information ecosystems are being implemented, as well as the challenges faced by public institutions and other stakeholders in their efforts to combat misinformation and disinformation.

Screenshot of the article by Dr. Gregor Wiedemann, AVISO, issue no. 81 (Fall 2025)
Publikation Article in aviso I Informationsdienst der DGPuK

AI and Research: Harnessing Potential, Understanding Risks

In his contribution, Gregor Wiedemann highlights the ambivalences that can arise from the use of AI tools in communication science research processes, as well as the necessity of precise risk assessment in this context.

Screenshot of an article on the Verfassungsblog. Title of the article: “Ein rundfunkrechtliches ‘Solange’?” [An “As Long As" in Broadcasting Law?]
Publikation Article on Verfassungsblog

An “As Long As” in Broadcasting Law?

In an article, Dr. Tobias Mast and Prof. Dr. Wolfgang Schulz discuss the Federal Constitutional Court's decision on the constitutionality of the broadcasting license fee. Their analysis is based on the press release published by the Federal Administrative Court on October 15, 2025.

Cover of an expert opinion by Dr. Stephan Dreyer on the AI Regulation and children's rights
Publikation German Children's Fund

Expert Opinion on Children’s Rights and Artificial Intelligence (AI)

In his expert opinion, "The AI Regulation, Its Relationship to Children’s Rights in the Digital Space, and Options for Advocacy Approaches," media lawyer Stephan Dreyer examines how the children’s rights enshrined in the EU Charter of Fundamental Rights are addressed in the regulation.

Einige futuristische Stühle stehen im Kreis auf einer grünen Wiese

Dialogue Formats in Public Service Media

What contribution can public service media make in the digital age as a platform for social dialogue? This future workshop will use scientific methods to develop scenarios and strategies for sustainable dialogue formats in digitalised societies.

Screenshot of the website diskursmonitor, entry “Social Bots” by Gregor Wiedemann
Publikation Online Portal for Strategic Communication

Glossary Entry on “Social Bots”

Dr. Gregor Wiedemann wrote a glossary entry on “social bots” for Diskursmonitor, a collaborative online platform that aims to educate and document strategic communication. This topic is marked by major controversy in academia, some of which has played out in public.

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