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Journals
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The Alternative Truth Kept Hidden From Us: The Effects of Multimodal Disinformation Disseminated by Ordinary Citizens and Alternative Hyper-Partisan Media. Evidence From the US and India
Digital Journalism, volume 13, issue 8 (2025), pp. 1351-1372
"The affordances of social media potentially amplify the effects of disinformation by offering the possibility to present deceptive content and sources in credible and native ways. We investigate the effects of two aspects related to the dissemination and modality of digital disinformation: (In)auth
...
Trust, personality, and belief as determinants of the organic reach of political disinformation on social media
Social Science Journal, volume 62, issue 3 (2025), pp. 633-644
"False political information spreads far and fast across social media, with negative consequences for society. Individual users play a key role in sharing such material, extending its range through the phenomenon of organic reach. An online experiment tested the hypotheses that higher trust in the s
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Künstliche Intelligenz in politischen Kampagnen: Akzeptanz, Wahrnehmung und Wirkung
Frankfurt am Main: Otto Brenner Stiftung (2025), 108 pp.
"Im ersten Teil geben wir einen Überblick über den Einsatz von generativer KI in der politischen Kampagnenkommunikation. Insbesondere die generativen KI-Tools ChatGPT und Midjourney werden zunehmend in politischen Kampagnen eingesetzt, um menschenähnliche Texte beziehungsweise fotorealistische Bi
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Funny Enough: Incorporating Humor Into Health Messages to Promote Breast Self-Examination Behavior
International Journal of Communication, volume 18 (2024), pp. 4441-4467
"Using the extended parallel process model (PPM), this research examines whether and how humor functions to influence women’s breast self-examination (BSE) intention. We conducted a 2 (humor: present vs. absent) × 2 (threat: high vs. low) × 2 (efficacy: high vs. low) between-subjects experiment
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Edutainment and the prevention of under-age marriages: The evaluation of a television series designed to promote positive role models in Bangladesh
Journal of Development Effectiveness, volume 16, issue 2 (2024), pp. 159-186
"Edutainment intervention is a popular and inexpensive behavioural change communication toolkit to raise positive social norms through broadcast media. We evaluated a 26-episode nationally broadcasted television series targeted to improve attitudes towards preventing child marriage in Bangladesh. We
...
Effectiveness of art therapy in reducing post-traumatic stress disorder symptoms and the propensity to quit journalism among journalists covering banditry activities in Nigeria
Media, War & Conflict, volume 17, issue 4 (2024), pp. 445-462
"The goal of this study was to examine the efficacy of art therapy in the treatment of Post Traumatic Stress Disorder (PTSD) and the propensity to quit journalism among Nigerian journalists covering banditry attacks. The researchers utilized a quasi-experiment as the design for the study and sampled
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The Influence of Media Trust and Normative Role Expectations on the Credibility of Fact Checkers
Journalism Practice, volume 18, issue 5 (2024), pp. 1137-1157
"Fact-checking has been granted a pivotal role in mitigating the effects of online disinformation, but its effectiveness has nonetheless been questioned. Like any persuasive communication, fact checkers depend on their recipients perceiving both their messages and them as credible. This study invest
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Debunking and exposing misinformation among fringe communities: Testing source exposure and debunking anti-Ukrainian misinformation among German fringe communities
Harvard Kennedy School Misinformation Review, volume 5, issue 1 (2024), 13 pp.
"Through an online field experiment, we test traditional and novel counter-misinformation strategies among fringe communities. Though generally effective, traditional strategies have not been tested in fringe communities, and do not address the online infrastructure of misinformation sources support
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The Psychological Impacts and Message Features of Health Misinformation: A Systematic Review of Randomized Controlled Trials
European Psychologist, volume 28, issue 3 (2023), pp. 162-172
"What does health misinformation look like, and what is its impact? We conducted a systematic review of 45 articles containing 64 randomized controlled trials (RCTs; N = 37,552) on the impact of health misinformation on behaviors and their psychological antecedents. We applied a planetary health per
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Degrees of deception: The effects of different types of COVID-19 misinformation and the effectiveness of corrective information in crisis times
Information, Communication & Society, volume 26, issue 9 (2023), pp. 1699-1715
"Responding to widespread concerns about misinformation’s impact on democracy, we conducted an experiment in which we exposed German participants to different degrees of misinformation on COVID-19 connected to politicized (immigration) and apolitical (runners) issues (N = 1,490). Our key findings
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Media, Social Pressure, and Combating Misinformation: Experimental Evidence on Mass Media and Contraception Use in Burkina Faso
J-PAL Abdul Latif Jameel Poverty Action Lab (2023), 45 pp.
"Using a two-level randomized experiment covering 5 million people in Burkina Faso, we examine the impact on family planning knowledge and behavior of both general exposure to mass media (800 women receive radios in status quo areas) and an intensive evidence-based family planning campaign (8 of 16
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Perceived Prevalence of Misinformation Fuels Worries About COVID-19: A Cross-Country, Multi-Method Investigation
Information, Communication & Society, volume 26, issue 16 (2023), pp. 3133-3156
"Data suggests that the majority of citizens in various countries came across ‘fake news’ during the COVID-19 pandemic. We test the relationship between perceived prevalence of misinformation and people’s worries about COVID-19. In Study 1, analyses of a survey across 17 countries indicate a p
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Striking the balance between fake and real: Under what conditions can media literacy messages that warn about misinformation maintain trust in accurate information?
Behaviour & Information Technology (2023), 13 pp.
"Although interventions that warn about the harms of misinformation may be effective in lowering the credibility of false information, they may also cause suspicion related to factually accurate information. To explore these contradictory outcomes of exposure to media literacy messages, we used an o
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"Political polarization is an increasing global concern. Although recent research suggests that media has the potential to mitigate polarization through persuasion, it is unclear whether polarized individuals are willing to consume, and be receptive to information from, diverse news sources. This mi
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The Effects of Flagging Propaganda Sources on News Sharing: Quasi-Experimental Evidence from Twitter
International Journal of Press/Politics, volume 28, issue 4 (2023), pp. 909–928
"While research on flagging misinformation and disinformation has received much attention, we know very little about how the flagging of propaganda sources could affect news sharing on social media. Using a quasi-experimental design, we test the effect of source flagging on people’s actual sharing
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Sustaining Exposure to Fact-Checks: Misinformation Discernment, Media Consumption, and its Political Implications
[authors] (2023), 37 + 27 pp.
"Exposure to misinformation can affect citizens’ beliefs, political preferences, and compliance with government policies. However, little is known about how to reduce susceptibility to misinformation in a sustained manner outside controlled environments, particularly in the Global South. We evalua
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Persuasive COVID-19 Vaccination Campaigns on Facebook and Nationwide Vaccination Coverage in Ukraine, India, and Pakistan
Plos Global Public Health, volume 3, issue 9 (2023), 18 pp.
"Social media platforms have a wide and influential reach, and as such provide anopportunity to increase vaccine uptake. To date, there is no large-scale, robust evidence on the offline effects of online messaging campaigns. We aimed to test whether pre-tested, persuasive messaging campaigns from UN
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What do we study when we study misinformation? A scoping review of experimental research (2016-2022)
Harvard Kennedy School Misinformation Review, volume 4, issue 6 (2023), 57 pp.
"We reviewed 555 papers published from 2016–2022 that presented misinformation to participants. We identified several trends in the literature—increasing frequency of misinformation studies over time, a wide variety of topics covered, and a significant focus on COVID-19 misinformation since 2020
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Fighting Lies with Facts or Humor: Comparing the Effectiveness of Satirical and Regular Fact-Checks in Response to Misinformation and Disinformation
Communication Monographs, volume 90, issue 1 (2023), pp. 69-91
"This study tested the effectiveness of fact-check format (regular vs. satirical) to refute different types of false information. Specifically, we conducted a pre-registered online survey experiment (N = 849) that compared the effects of regular fact-checkers and satirist refutations in response to
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The Spot the Troll Quiz game increases accuracy in discerning between real and inauthentic social media accounts
PNAS Nexus, volume 2, issue 4 (2023), pp. 1-11
"The proliferation of political mis/disinformation on social media has led many scholars to embrace “inoculation” techniques, where individuals are trained to identify the signs of low-veracity information prior to exposure. Coordinated information operations frequently spread mis/disinformation
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