PreprintCited by 1Misinformation and Its ImpactsMedia Influence and PoliticsSocial Media and Politics

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The Moderating Role of Perceived Trustworthiness in Explaining the Attitudinal Effects of Political Deepfakes

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Abstract

Research on political deepfakes has largely focused on detection accuracy, as well as broader psychological consequences such as uncertainty and mistrust. Less is known, however, about whether deepfake exposure influences issue-level political attitudes and under which conditions such effects occur. The present study investigated the attitudinal effects of political deepfakes on two polarizing issues, specifically climate change and immigration. In an online experiment conducted across Slovenia, Italy, and the United Kingdom ( N = 1124), participants were randomly exposed to one real video, a high-quality deepfake, or a low-quality deepfake promoting either positive or negative attitudes toward each topic. The study examined whether attitudes shifted after a single exposure and tested whether objective video characteristics, perceived trustworthiness, and political orientation moderated these effects. Deepfakes were about as persuasive as real videos, although overall attitudinal shifts were modest. Notably, perceived trustworthiness of the content emerged as a consistent moderator; deepfakes exerted stronger influence when their message was seen as credible. Perceived trustworthiness of the presentation (e.g., delivery, technical quality) also played a role, though more limited. Contrary to expectations, political orientation did not significantly moderate deepfake effects. The findings suggest that the persuasive power of deepfakes depends less on their technical sophistication and more on how credible their content appears to viewers, highlighting the need for interventions focused on fostering critical evaluation of political video content, particularly in the age of artificial intelligence-driven media manipulation.

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Metadata

Authors
Plohl, N., Mlakar, I., Aquilino, L., Brienza, M., Bisconti, P., & Smrke, U.
Affiliations
  • University of Maribor (SI)
  • Università Cattolica del Sacro Cuore (IT)
  • Sapienza University of Rome (IT)
Corresponding author
Plohl, Nejc
Venue
Computers in Human Behavior Reports
Publisher
Elsevier BV
Published
2025
Volume
23
Pages
101179-101179
ISSN
2451-9588 (ISSN-L)
OpenAlex
W4412401991
Cited by
1
References
0
Citations by year
2026: 1
FWCI
11.67
Type
journal article
Language
en
Open access
Licence
cc-by-nc-nd
Locations
  • Computers in Human Behavior Reports (publishedVersion, cc-by-nc-nd)
  • SSRN Electronic Journal (acceptedVersion)
  • dCOBISS.SI Digital Repository (submittedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
HORIZON EUROPE Framework Programme (101094665)
Topics
  • Social Sciences › Sociology and Political Science › Misinformation and Its Impacts
  • Social Sciences › Sociology and Political Science › Media Influence and Politics
  • Social Sciences › Communication › Social Media and Politics
Keywords
political deepfakes, perceived trustworthiness, political attitudes, attitude change, persuasion, climate change attitudes, immigration attitudes, political polarization, political orientation

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CoChat. (2026). Citation check: The Moderating Role of Perceived Trustworthiness in Explaining the Attitudinal Effects of Political Deepfakes. https://app.cochat.ai/papers/10.2139/ssrn.5351533
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Plohl, N., Mlakar, I., Aquilino, L., Brienza, M., Bisconti, P., & Smrke, U. (2025). The Moderating Role of Perceived Trustworthiness in Explaining the Attitudinal Effects of Political Deepfakes. Computers in Human Behavior Reports. https://doi.org/10.2139/ssrn.5351533