Dr. Lisa Merten

Senior Researcher Media Use & Digital Communication

Lisa Merten has been working as a researcher at the Leibniz Institute for Media Research | Hans-Bredow-Institut (HBI) in Research Program 1 “Transformation of Public Communication – Journalistic and Intermediary Functions in the Process of Opinion Formation” since 2015. Her research interests include media use in digital media environments, especially with regard to the reception and effects of information-oriented media offerings, personalisation processes in publics shaped by algorithms and the development of digital methods.

As principal investigator and project coordinator, Lisa is currently leading the computational social science project “Political polarization and individualized online information environments: A longitudinal tracking study (POLTRACK)” investigating the interplay of individual information repertoires and the polarization of political opinions over time.  In this collaborative project between the HBI, GESIS, and the Universities of Bremen and Konstanz, they collect tracking and survey data from online panelists and conduct automated online analysis of the media content seen by the panelists.

In addition, in the DFG project “Public Connection” Lisa and her colleagues are investigating how users connect to different publics through the way they use media and other communicative practices.

Lisa was co-PI at the Research Institute Social Cohesion in the subproject “Media Use and Social Cohesion”. Together with Hannah Immler she ran a network and content analysis of Instagram accounts to examine whether and how political influencers in social media can reach populations without much information-oriented social media use.

In the summer semester of 2021, she substituted an assistant professor of Computational Social Science at the Center for Data and Methods at the University of Konstanz on a part-time basis. She has also taught at the Universität Hamburg, University of Augsburg, and Kiel University of Applied Sciences.

Career Path

Her cumulative dissertation project at Universität Hamburg focused on practices of news use on social networking platforms. Her dissertation article on practices of personal news curation on social media based on data from the Reuters Institute Digital News Survey named Article of the Year 2021 by Digital Journalism.

Lisa studied communication science at the University of Leipzig, at the TU Dresden as well as at the Universiteit van Amsterdam and Boston University with a scholarship from the Studienstiftung des Deutschen Volkes. After and during her studies, she worked in market and media research (e.g. Sinus Institute, ZDF Media Research, Gruner & Jahr, mindline, election campaign Elisabeth Warren for Massachusetts).

Contact information

Dr. Lisa Merten

Senior Researcher Media Use & Digital Communication

Leibniz Institute for Media Research | Hans-Bredow-Institut
Warburgstraße 30b
20354 Hamburg

Last update: 19.01.2026

Works by Dr. Lisa Merten

Publikation 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.

Publikation 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
Publikation 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.

ein Kabel führt in ein Smartphone
Projekt 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
Projekt 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
Publikation 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.

Cover of the book
Publikation 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.

Tastatur mit einer goldfarbenen Taste, die ein weißes Abzeichen zeigt
Beitrag Media Research Blog Post

Algorithmic Amplification of Negative Discourse as a Systemic Risk

How does attention-economy-driven algorithmic amplification of conflict-driven and negative-emotional communication distort public discourse? And does this distortion constitute a systemic risk under the Digital Services Act (DSA)? This blog article refers to our previous blogpost on "Platform Badges for Civic Communication", explains why such interventions are needed, and outlines how they could address these systemic risks.

Mehrere Hände halten Smartphones, darüber stilisierte Symbole für KI, Uhr, Glühbirne und Weltkugel
Beitrag Safer Internet Day 2026

“He Just Does Everything Right. He’s Simply Smart” – Young People’s Perspectives on AI

AI applications are no longer used just for homework, but also as advisors and conversation partners. This blog post takes a look at young people's experiences with AI and shows that schools and parents often lack opportunities to discuss the role of AI in our daily lives. Safer Internet Day offers a good opportunity to start this conversation.

Cover of the report “Generative AI from the Perspective of Young People”
Publikation Publication on Safer Internet Day 2026

Generative AI from the Perspective of Young People

The use of generative AI, especially ChatGPT, is now firmly established among young people online. A study by Kira Thiel, Claudia Lampert and Eleysa Memis explores young people's views on generative AI, highlighting its significance in their daily lives.

Cover des Arbeitspapiers
Publikation Working Paper Available for Download

Public Service Media Enabling Dialogue

For the project “Dialog Formats in Public Service Media,” Magdalena Stratmann conducted a literature analysis on “The Role of Public Service Media as Enablers of Dialogue in Digitalized Societies.” This analysis is now available for download as a working paper.

Vorschau des Artikels von Christian Ollig auf epd Medien
Publikation Article for epd Medien

How the Digital Services Act (DSA) Regulates Platforms

U.S. politicians accuse the European Union of endangering freedom of expression with the Digital Services Act (DSA). However, media law expert Dr. Christian Ollig argues that the DSA actually protects users' opinions from arbitrary censorship by platform operators. It also gives users a legal basis to assert their freedom of expression against large platform operators at the European level.

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