Dr. Lisa Merten

Postdoc 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 July 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 is co-PI at the Research Institute Social Cohesion in the subproject “Media Use and Social Cohesion”. Together with Hannah Immler she is running 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

Postdoc Researcher Media Use & Digital Communication

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

Last update: 04.07.2024

Works by Dr. Lisa Merten

Cover of Working Paper No. 76
Publikation Project Findings Available for Download

Between Curiosity and Skepticism: Use and Perception of Generative AI for Information Search in Germany

The research project "Generative Artificial Intelligence for Information Navigation", funded by the German Federal Ministry of Education and Research (BMBF), investigated to what extent, for what purposes and for what reasons the German population uses generative artificial intelligence in applications such as ChatGPT or Google Gemini. The findings can be downloaded as a working paper.

Cover of the 6/2025 issue of the New Journal of Administrative Law.
Publikation Article in Journal for Administrative Law

Trusted Flaggers Are Not Authorized Agents!

In the current issue of the Neue Zeitschrift für Verwaltungsrecht, Tobias Mast challenges the increasingly prominent view in legal literature that trusted flaggers under Art. 22 of the Digital Services Act (DSA) are public authorities in the sense of German administrative law.

Cover of the Publication
Publikation Education Study in Media Perspektiven

The Population’s View of ZDF’s Educational Function

A study on the educational mandate of the ZDF has for the first time examined the population's educational expectations and perceptions. Jan-Hinrik Schmidt, Uwe Hasebrink and Dieter Storll were involved in an advisory capacity in the design and evaluation of the study and have presented the core findings in detail in an article.

Auf schwarz-weißem Schachbrett stehen sich weiße und schwarze Figuren gegenüber
Projekt DAAD cooperation project

Mapping Polarization in News Media Content

How are polarizing topics reported in Germany and Australia – and does this reporting contribute to the polarization of political attitudes? The project examines how news content in both countries differs in its coverage of controversial issues – and whether this reporting contains potentially polarizing elements.

Cover of the Handbook Digital Journalism
Publikation Recently Published

Handbook of Digital Journalism

The second edition of the Routledge Companion to Digital Journalism Studies offers a collection of 54 essays addressing current issues and debates in the field of digital journalism studies, including two articles by Julius Reimer / Wiebke Loosen and Lisa Merten.

Cover von Heft 1/2025 der Zeitschrift M&K
Publikation Available Open Access

Issue 1/2025 of M&K Published

Issue 1/2025 of our journal Media & Communication Studies (M&K) has been published, including articles on journalism in Germany in 2023, on the role of Google and YouTube in the dissemination of conspiracy theories, and on journalistic role expectations and ideals of social coexistence in the German population. All content can be downloaded for free from the Nomos eLibrary.

Cover of the journal Computational Communication Research
Publikation Open Access Article

Data Donations from Journalism

In their article “I Really Thought I Would Use More Than Just Google: Investigating Professional Journalistic Online Use with Browser History Donations”, Lisa Merten, Felix Victor Münch and Maren Schuster describe how the method of data donation can be used to investigate professional media use in journalism. The article was published in the open access journal Computational Communication Research.

Cover des Nomos-Handbuchs Journalismusforschung
Publikation Recently Published

Journalism Research

A new Nomos Handbook, edited by Thomas Hanitzsch, Wiebke Loosen and Annika Sehl, offers an insight into the diversity of research on journalism in its social context. It looks, among other things, at actors, organisations and institutions, as well as at news, how it is produced and how it is used. The volume reflects the thematic, theoretical and methodological diversity of research.

Portrait Jan-Ole Harfst
Publikation Blog Post on Verfassungsblog

Elections in a Fortified Platform Democracy

The integrity of the German parliamentary elections and future European elections has been and continues to be threatened by influence peddling via social networks. The Digital Services Act (DSA) is supposed to provide a remedy against election manipulation. In a blog post on the Verfassungsblog, Jan-Ole Harfst explains why Art. 34-35 of the DSA could hardly remedy the systemic risks of this federal election campaign.

Deutschlandkarte auf dunklem Hintergrund
Beitrag RISC Blog Article

Elon Musk, the AfD and the Agenda-Setting of the Radical Right in the 2025 German Federal Election

The article explains how Elon Musk's communication interventions increase the media presence of Alice Weidel and the AfD, and how these dynamics are driven by the mechanisms of the digital attention economy.

Cover der Zeitschrift "Youth and Society" Ausg. 1/2025
Publikation Article in the Journal Youth & Society

Information and Political Engagement Practices of Disadvantaged Youth

In the study “Disinterested and Disillusioned? Information and Political Engagement Practices of Young People from Disadvantaged Backgrounds”, the information and participation practices of young people with a low level of formal education are examined.

Cover of Working Paper No. 75
Publikation Working Paper Available for Download

Labeling of Edited (Influencer) Photos: Necessity, Effect, Regulatory Approaches

Do digitally edited photos in social media have to be labeled? On behalf of the Commission for the Protection of Minors in the Media (KJM), the HBI investigated the necessity of a legal labeling requirement for edited photos and videos. The expert opinion was presented to the public on 5 February 2025 and is available for download here as a working paper.

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