Media Use and Its Societal Effects

How do people obtain information in digital media environments—and what are the consequences for individuals, society, and democracy?

The Media Use and Societal Effects (MUSE) research group investigates how people use news and other information-related content, how these practices are changing in the wake of technological and societal shifts, and what impact this has on individuals, the public, and democratic societies.

Digital Information Environments

Our research focuses on digital information environments. These include traditional news outlets such as news websites and journalism apps, as well as social media, search engines, messaging services, generative AI, and other digital information sources. We examine not only news in the narrow sense, but also a broader spectrum of political and social information that people encounter in their daily lives. We are particularly interested in how the boundaries between journalistic, algorithmic, social, and AI-based information sources are shifting, and what role these different actors play in shaping citizens’ understanding of society.

Information-Use Practices

A key focus of our research is on information-use practices. We examine how people assemble their personal repertoire of information across various platforms, evaluate information, verify its credibility, and deal with conflicting information. This includes, for example, the use of social media for political information, the evaluation and validation of information from generative AI systems, and participatory forms of information engagement. We explore how people search for, select, share, comment on, and integrate information into their daily lives.

Furthermore, we are interested in how new information sources become established. We examine the adoption and use of new technologies, the role of digital media in the socialization of adolescents and young adults, and the conscious or unconscious non-use of news and other information sources.

We also examine the mechanisms of information evaluation and trust-building, as well as how people assess the quality and reliability of information in complex digital information environments.

Societal and Individual Impacts

The research group examines not only how information is used but also its consequences. We are particularly interested in issues of civic engagement, political participation, opinion formation, and democratic agency.

We analyze how digital information environments influence political attitudes and behaviors and what role they play in political polarization, political self-efficacy, trust in institutions, and social cohesion. In doing so, we investigate both the consequences of (a lack of) information and those of misinformation and disinformation.

At the same time, we examine the individual consequences of media use. These include issues of social and societal connectedness, information overload, a sense of social orientation, and the ability to navigate complex information environments.

Research Profile

Methodologically, we combine surveys, digital behavioral data, content analysis, qualitative studies, and computer-assisted methods to capture media use and its consequences as comprehensively and realistically as possible. A particular focus is on combining survey data with digital trace data to better understand actual media behavior and its effects.

Our research is conducted in close collaboration with national and international partners, including GESIS – Leibniz Institute for the Social Sciences, the University of Amsterdam, the University of Bremen, the University of Hamburg, Aalto University, the Reuters Institute for the Study of Journalism at the University of Oxford, Ludwig Maximilian University of Munich, Queensland University of Technology in Brisbane, and Friedrich Schiller University Jena.

Since 2013, we have been responsible for the German section of the Reuters Institute Digital News Report, one of the world’s most important comparative long-term studies on digital news and information use. Through this work, we provide key benchmarks on the development of news and information use in Germany and regularly contribute to the academic and public debate on the transformation of digital information environments.

The research group also maintains close ties with stakeholders from the media industry, politics, education, and civil society. We regularly share our research findings through lectures, workshops, and consulting and collaboration projects with journalists and media organizations, including the German Press Agency (dpa), ARD and its regional broadcasters, ZDF, and Deutsche Welle. In addition, we engage in dialogue with policymakers and educational institutions. These collaborations not only facilitate the transfer of scientific findings into practice but also provide important impetus for identifying socially relevant research questions and further developing our research.

The work of the research group’s members has been published in leading international journals, including the *Journal of Communication*, *Communication Theory*, *Communication Research*, *Public Opinion Quarterly*, *The International Journal of Press/Politics*, *Digital Journalism*, *New Media & Society*, *Information, Communication & Society*, *Journalism*, *Journalism Studies*, *Journal of Computer-Mediated Communication*, *International Journal of Communication*, *European Journal of Communication*, *Journal of Broadcasting & Electronic Media*, *Social Science Computer Review*, and *Computational Communication Research*. Our research has been funded by the DFG, NWO, BMFTR, DAAD, the state media authorities, and ARD and ZDF.

Overview

Leaders

Last update: 24.09.2026

Blog Articles, News, Projects, Publications, Podcast Episodes

zwei Personen vor einem Mischpult
Interview in the online magazine LEIBNIZ

The Stage in Mind

In the online magazine LEIBNIZ, Dr. Hans-Ulrich Wagner and radio play producer Dr. Klaus Buhlert talk to Fabian Zapatka about 100 years of radio plays, how listening habits have changed and explain the extent to which they see sophisticated radio plays as “part of a cultural home”.

Leonie Wunderlich
New Episode of "Tonspur Wissen"

How Do Young Voters Inform Themselves?

Classic media such as radio and television continue to play a role in political education, but they are increasingly being supplemented – and in some cases replaced – by social media. What does this mean for the upcoming federal election? How do young voters inform themselves? Leonie Wunderlich discusses all of this in the new episode of “Tonspur Wissen – der Podcast von Rheinischer Post und Leibniz-Gemeinschaft".

Matthias C. Kettemann
Interview on Wissenschaftskommunikation.de

“We Do Not Have to Sound the Death Knell for Democracy”

How dangerous are disinformation campaigns? Legal expert Matthias Kettemann questions the often-invoked link between misinformation and the “threat to democracy”. In an interview with Anna Henschel on the Wissenschaftskommunikation.de portal, he refers to recently published research findings.

KI-generiertes Bild mit drei Knetfiguren, die ein Selfie von sich machen
Expert Opinion for the KJM

When Filtering Distorts Body Image

Due to beauty filters, young people are often confronted with unrealistic beauty ideals on social media. This can lead to body image disorders as well as eating disorders. So should edited images be labeled? Not a good idea, says an expert opinion by the HBI on behalf of the KJM: The legal requirements for an enforceable legal regulation are high, and the positive effects of labeling are controversial. Instead of a legal labeling requirement, the algorithms of the platforms could be adapted to promote more diverse and realistic body representations.

Cover of Working Paper No. 75
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.

Stolpersteine mit leuchtenden Kerzen und Rosen drum herum.
Blog Series of the Leibniz Research Alliance “Value of the Past”

How German-Speaking Memorial Sites Engage with TikTok to Preserve Remembrance

How are concentration camp memorials using the platform TikTok for remembrance work? Liv Ohlsen and Dr. Hans-Ulrich Wagner take a look at the so-called Historytoks for Generation Z and show in a three-part blog series how concentration camp memorials are taking up this new form of digital remembrance work on their TikTok accounts.

Jan Rau
Expertise in "Le Monde"

Influence of Extreme Right-Wing Accounts on Elon Musk’s View of Europe

How much influence do far-right accounts have on Elon Musk's perception of Europe? Quite a lot, as the French newspaper Le Monde has pointed out in a recent article. Jan Rau was interviewed as an expert on the topic of “the extreme right and social media”.

Illustration: ein oranger Roboter sitzt inmitten schwarzer Figuren, die Menschen darstellen
Project of the DFG Research Group ComAI

Communicative AI and Deliberative Quality

What impact do social bots that use Large Language Models (LLMs) have on the quality of political discourse? The project investigates communicative AI in the social domain of political discourse using discourse monitoring and discourse intervention and thus with a largely experimental approach. The case studies are debates in German on the topic of climate change on X, Mastodon and Bluesky.

Cover of the online article on “Mediendiskurs”
Article on the Platform mediendiskurs

About Constant Dripping and the Sum of Its Parts

The article by Stephan Dreyer and Sünje Andresen examines the challenges that arise for the regulatory framework of child and youth media protection as a result of “micro content” and the cross-platform media use of children and young people, and investigates whether and how regulation can do justice to these new realities.

Auf einen leeren Stuhlkreis fällt ein Lichstrahl vom hoch angebrachten Fenster
New Event Format at HIIG

Spotlight: Community Notes Instead of Fact-Checking

The first edition of the new online discussion series “Spotlight” at HIIG focused on Mark Zuckerberg's decision to end the cooperation with external fact-checkers on all of Meta's platforms (Facebook, Instagram and Threads) in the US and to rely on “Community Notes” instead. The guest was Matthias C. Kettemann, and Katharina Mosene moderated the discussion.

Cover of a publication
Conversational Atmosphere Report

Information Ecosystems and Troubled Democracy

Do information ecosystems weaken democracy and promote the viral spread of mis- and disinformation? In the report “Information Ecosystems and Troubled Democracy: A Global Synthesis of the State of Knowledge on New Media, AI and Data Governance”, an international team of researchers assesses the role of information ecosystems.

Gruppenbild von Moritz Wiechert, Antonia Eichenauer und Jonah Wermter
Welcome to the Institute!

New to DFG Research Group ComAI

In early 2025, Antonia Eichenauer, Jonah Wermter and Moritz Wiechert joined the team of the DFG-funded research group “Communicative AI (ComAI) – The Automation of Societal Communication” at the Leibniz Institute for Media Research | Hans-Bredow-Institut (HBI) as junior researchers.

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