Nicolas Mattis
@nickmattis.bsky.social
Communication Scientist | PostDoc at ASCoR / AI Media Democracy Lab | Interested in the interplay of digital choice architectures and human decision making | Lover of good music, food and travelling
Reposted by Nicolas Mattis
NEW PREPRINT 💡
Together with @dougaparry.bsky.social, I just published a new preprint experimentally examining how specific normative cues on social media shape self-disclosure using an innovative simulation approach.
Link: osf.io/preprints/ps...
Read on for more information (1/9) 👇
Together with @dougaparry.bsky.social, I just published a new preprint experimentally examining how specific normative cues on social media shape self-disclosure using an innovative simulation approach.
Link: osf.io/preprints/ps...
Read on for more information (1/9) 👇
November 11, 2025 at 12:26 PM
NEW PREPRINT 💡
Together with @dougaparry.bsky.social, I just published a new preprint experimentally examining how specific normative cues on social media shape self-disclosure using an innovative simulation approach.
Link: osf.io/preprints/ps...
Read on for more information (1/9) 👇
Together with @dougaparry.bsky.social, I just published a new preprint experimentally examining how specific normative cues on social media shape self-disclosure using an innovative simulation approach.
Link: osf.io/preprints/ps...
Read on for more information (1/9) 👇
Reposted by Nicolas Mattis
OpenAI’s Sora: When Seeing Should Not Be Believing
New text-to-video tool from the leading AI company generates convincing videos advancing false claims 80 percent of the time when prompted to do so, a NewsGuard analysis found
www.newsguardtech.com/special-repo...
New text-to-video tool from the leading AI company generates convincing videos advancing false claims 80 percent of the time when prompted to do so, a NewsGuard analysis found
www.newsguardtech.com/special-repo...
OpenAI’s Sora: When Seeing Should Not Be Believing
www.newsguardtech.com
October 18, 2025 at 10:19 AM
OpenAI’s Sora: When Seeing Should Not Be Believing
New text-to-video tool from the leading AI company generates convincing videos advancing false claims 80 percent of the time when prompted to do so, a NewsGuard analysis found
www.newsguardtech.com/special-repo...
New text-to-video tool from the leading AI company generates convincing videos advancing false claims 80 percent of the time when prompted to do so, a NewsGuard analysis found
www.newsguardtech.com/special-repo...
Reposted by Nicolas Mattis
NATO Secretary General Mark Rutte: “If China were to move against Taiwan, it's likely China would force its junior partner in that relationship, being Russia, under Vladimir Putin, to move against NATO to keep us busy.”
October 14, 2025 at 1:47 PM
NATO Secretary General Mark Rutte: “If China were to move against Taiwan, it's likely China would force its junior partner in that relationship, being Russia, under Vladimir Putin, to move against NATO to keep us busy.”
Reposted by Nicolas Mattis
🚨 PhD Position at the University of Amsterdam 🚨
Join my team as a computer scientist / computational social scientist working on LLMs, social media, and politics.
We offer freedom, impact, and an inspiring environment at one of Europe's leading universities.
🔗 werkenbij.uva.nl/en/vacancies...
Join my team as a computer scientist / computational social scientist working on LLMs, social media, and politics.
We offer freedom, impact, and an inspiring environment at one of Europe's leading universities.
🔗 werkenbij.uva.nl/en/vacancies...
Vacancy — PhD Position on Improving Social Media Using Large Language Models
The Institute for Logic, Language and Computation (ILLC) at the University of Amsterdam is inviting applications for a fully funded PhD position in the NWO VIDI project "Improving Social Media Using L...
werkenbij.uva.nl
August 25, 2025 at 8:34 AM
🚨 PhD Position at the University of Amsterdam 🚨
Join my team as a computer scientist / computational social scientist working on LLMs, social media, and politics.
We offer freedom, impact, and an inspiring environment at one of Europe's leading universities.
🔗 werkenbij.uva.nl/en/vacancies...
Join my team as a computer scientist / computational social scientist working on LLMs, social media, and politics.
We offer freedom, impact, and an inspiring environment at one of Europe's leading universities.
🔗 werkenbij.uva.nl/en/vacancies...
New paper on algorithmic gatekeeping & news engagement out at JOC!
Lucien Heitz, @masurphil.bsky.social, @judith-moeller.bsky.social, @vanatteveldt.com & me ran a 1-week long field experiment to test if we can nudge people to read (and learn from) environmental news.
doi.org/10.1093/joc/...
Lucien Heitz, @masurphil.bsky.social, @judith-moeller.bsky.social, @vanatteveldt.com & me ran a 1-week long field experiment to test if we can nudge people to read (and learn from) environmental news.
doi.org/10.1093/joc/...
Nudges for news recommenders: prominent article positioning increases selection, engagement, and recall of environmental news, but reducing complexity does not
Abstract. News aggregators inherently constitute choice architectures in which placement and presentation of news articles in the user interface affect how
doi.org
August 26, 2025 at 9:15 AM
New paper on algorithmic gatekeeping & news engagement out at JOC!
Lucien Heitz, @masurphil.bsky.social, @judith-moeller.bsky.social, @vanatteveldt.com & me ran a 1-week long field experiment to test if we can nudge people to read (and learn from) environmental news.
doi.org/10.1093/joc/...
Lucien Heitz, @masurphil.bsky.social, @judith-moeller.bsky.social, @vanatteveldt.com & me ran a 1-week long field experiment to test if we can nudge people to read (and learn from) environmental news.
doi.org/10.1093/joc/...
Reposted by Nicolas Mattis
@jbgruber.bsky.social kicking off @icacm.bsky.social 's tool demo session, and the best thing is: everything is on github! github.com/JBGruber/ica... - check it out if you need to scrape news or retrieve tiktok data and want sth that just works! #ica25
GitHub - JBGruber/ica25_tool-demos: Tool Demo Scripts for ICA 2025
Tool Demo Scripts for ICA 2025. Contribute to JBGruber/ica25_tool-demos development by creating an account on GitHub.
github.com
June 15, 2025 at 10:34 PM
@jbgruber.bsky.social kicking off @icacm.bsky.social 's tool demo session, and the best thing is: everything is on github! github.com/JBGruber/ica... - check it out if you need to scrape news or retrieve tiktok data and want sth that just works! #ica25
Reposted by Nicolas Mattis
📣 It's #DNR day. Which means that one of the most important report on news in the digital age has been published. It contains data from 40+ countries 🙏.
Some findings from the executive summary 👇🧵
@reutersinstitute.bsky.social
Full report: reutersinstitute.politics.ox.ac.uk/sites/defaul...
Some findings from the executive summary 👇🧵
@reutersinstitute.bsky.social
Full report: reutersinstitute.politics.ox.ac.uk/sites/defaul...
June 17, 2025 at 3:23 AM
📣 It's #DNR day. Which means that one of the most important report on news in the digital age has been published. It contains data from 40+ countries 🙏.
Some findings from the executive summary 👇🧵
@reutersinstitute.bsky.social
Full report: reutersinstitute.politics.ox.ac.uk/sites/defaul...
Some findings from the executive summary 👇🧵
@reutersinstitute.bsky.social
Full report: reutersinstitute.politics.ox.ac.uk/sites/defaul...
Reposted by Nicolas Mattis
How is #AI reshaping journalism research, education, and practice? Join me, Seth Lewis, @natalihelberger.bsky.social, and @nickmattis.bsky.social to chat about the challenges, the hype, and the future of the field.
📆 June 2nd, 16:00 (CET).
📍 SPUI25 (or stream online).
➡️ spui25.nl/programma/th...
📆 June 2nd, 16:00 (CET).
📍 SPUI25 (or stream online).
➡️ spui25.nl/programma/th...
The Future of Journalism (Studies) in the Age of AI
This panel examines the range of approaches currently used in journalism studies to analyze AI and news. It aims to identify which approaches are proving most productive, which may be less useful, and...
spui25.nl
May 21, 2025 at 5:59 AM
How is #AI reshaping journalism research, education, and practice? Join me, Seth Lewis, @natalihelberger.bsky.social, and @nickmattis.bsky.social to chat about the challenges, the hype, and the future of the field.
📆 June 2nd, 16:00 (CET).
📍 SPUI25 (or stream online).
➡️ spui25.nl/programma/th...
📆 June 2nd, 16:00 (CET).
📍 SPUI25 (or stream online).
➡️ spui25.nl/programma/th...
Reposted by Nicolas Mattis
🚨 PhD position in Political Communication at @ascor.bsky.social 🚨
Come work with @ulrikeklinger.bsky.social @lindabos.bsky.social and myself on a 4-year project about visual communication & political anger
DL June 4 - Thanks to repost for diversity! 🔥
@polcomm.bsky.social
➡️ tinyurl.com/8yvbkwxu
Come work with @ulrikeklinger.bsky.social @lindabos.bsky.social and myself on a 4-year project about visual communication & political anger
DL June 4 - Thanks to repost for diversity! 🔥
@polcomm.bsky.social
➡️ tinyurl.com/8yvbkwxu
Vacancy — PhD Position "Visual Politics and the Emergence of Angry Publics"
Are you curious about how images, videos, and memes transform political communication? Are you passionate about digital technology and the future of democracy? Then apply for this PhD project focused ...
werkenbij.uva.nl
May 14, 2025 at 10:25 AM
🚨 PhD position in Political Communication at @ascor.bsky.social 🚨
Come work with @ulrikeklinger.bsky.social @lindabos.bsky.social and myself on a 4-year project about visual communication & political anger
DL June 4 - Thanks to repost for diversity! 🔥
@polcomm.bsky.social
➡️ tinyurl.com/8yvbkwxu
Come work with @ulrikeklinger.bsky.social @lindabos.bsky.social and myself on a 4-year project about visual communication & political anger
DL June 4 - Thanks to repost for diversity! 🔥
@polcomm.bsky.social
➡️ tinyurl.com/8yvbkwxu
Reposted by Nicolas Mattis
🇪🇺 Why and How the European Union is protecting our right to access diversity of news diets online?
Check the answers on the video summary of the first Symposium on Diversity of News Media Diets and its Effects on Democratic Citizenship.
diversitynewsdiets.blog
Check the answers on the video summary of the first Symposium on Diversity of News Media Diets and its Effects on Democratic Citizenship.
diversitynewsdiets.blog
May 2, 2025 at 9:05 AM
🇪🇺 Why and How the European Union is protecting our right to access diversity of news diets online?
Check the answers on the video summary of the first Symposium on Diversity of News Media Diets and its Effects on Democratic Citizenship.
diversitynewsdiets.blog
Check the answers on the video summary of the first Symposium on Diversity of News Media Diets and its Effects on Democratic Citizenship.
diversitynewsdiets.blog
Reposted by Nicolas Mattis
In their silence against Trump, business leaders are saying their fear and idolatry of the dollar trumps all. Their silence is cowardice.
www.profgalloway.com/breaking-the...
www.profgalloway.com/breaking-the...
Breaking the Silence | No Mercy / No Malice
Hello, Mr. President At different points, I’ve worked with 30 Fortune 100 CEOs. I believe 90% of them wake up in the morning, look in the mirror, and think, “Hello, Mr. President.” These are talented,...
www.profgalloway.com
April 26, 2025 at 2:11 PM
In their silence against Trump, business leaders are saying their fear and idolatry of the dollar trumps all. Their silence is cowardice.
www.profgalloway.com/breaking-the...
www.profgalloway.com/breaking-the...
Reposted by Nicolas Mattis
🚨New blog: 𝐓𝐚𝐜𝐤𝐥𝐢𝐧𝐠 𝐭𝐡𝐞 𝐓𝐫𝐚𝐧𝐬𝐩𝐚𝐫𝐞𝐧𝐜𝐲 𝐏𝐮𝐳𝐳𝐥𝐞: 𝐅𝐢𝐯𝐞 𝐏𝐞𝐫𝐬𝐩𝐞𝐜𝐭𝐢𝐯𝐞𝐬 𝐟𝐫𝐨𝐦 𝐀𝐈 𝐃𝐢𝐬𝐜𝐥𝐨𝐬𝐮𝐫𝐞 𝐑𝐞𝐬𝐞𝐚𝐫𝐜𝐡 𝐢𝐧 𝐍𝐞𝐰𝐬
The question of whether & how to disclose AI use in news & journalism remains a unresolved issue. We offer 5 perspectives from research(-in-progress) 👇
medium.com/p/0969b3bcc489
The question of whether & how to disclose AI use in news & journalism remains a unresolved issue. We offer 5 perspectives from research(-in-progress) 👇
medium.com/p/0969b3bcc489
Tackling the Transparency Puzzle
Five Perspectives from AI Disclosure Research in News
medium.com
April 22, 2025 at 6:16 AM
🚨New blog: 𝐓𝐚𝐜𝐤𝐥𝐢𝐧𝐠 𝐭𝐡𝐞 𝐓𝐫𝐚𝐧𝐬𝐩𝐚𝐫𝐞𝐧𝐜𝐲 𝐏𝐮𝐳𝐳𝐥𝐞: 𝐅𝐢𝐯𝐞 𝐏𝐞𝐫𝐬𝐩𝐞𝐜𝐭𝐢𝐯𝐞𝐬 𝐟𝐫𝐨𝐦 𝐀𝐈 𝐃𝐢𝐬𝐜𝐥𝐨𝐬𝐮𝐫𝐞 𝐑𝐞𝐬𝐞𝐚𝐫𝐜𝐡 𝐢𝐧 𝐍𝐞𝐰𝐬
The question of whether & how to disclose AI use in news & journalism remains a unresolved issue. We offer 5 perspectives from research(-in-progress) 👇
medium.com/p/0969b3bcc489
The question of whether & how to disclose AI use in news & journalism remains a unresolved issue. We offer 5 perspectives from research(-in-progress) 👇
medium.com/p/0969b3bcc489
Reposted by Nicolas Mattis
Musks pronatalisme is onderdeel van de longtermisme-'filosofie', een ideologie met heel veel (eugenetische, racistische, anti-democratische) haken en ogen. Ik schreef er een langer stuk over: www.nederlandseboekengids.com/20220125-mar...
(Erg veel zelfpromotie vandaag, sorry not sorry).
(Erg veel zelfpromotie vandaag, sorry not sorry).
April 17, 2025 at 11:40 AM
Musks pronatalisme is onderdeel van de longtermisme-'filosofie', een ideologie met heel veel (eugenetische, racistische, anti-democratische) haken en ogen. Ik schreef er een langer stuk over: www.nederlandseboekengids.com/20220125-mar...
(Erg veel zelfpromotie vandaag, sorry not sorry).
(Erg veel zelfpromotie vandaag, sorry not sorry).
Reposted by Nicolas Mattis
The Future of News Consumption panel at the @algosoc.org Conference featuring @claesdevreese.bsky.social @dvshah.bsky.social @taliastroud.bsky.social @rasmuskleis.bsky.social.
Some key takeaways 👇🧵
Some key takeaways 👇🧵
April 11, 2025 at 10:39 AM
The Future of News Consumption panel at the @algosoc.org Conference featuring @claesdevreese.bsky.social @dvshah.bsky.social @taliastroud.bsky.social @rasmuskleis.bsky.social.
Some key takeaways 👇🧵
Some key takeaways 👇🧵
Stoked to finally see my research from the last four years in book form 😍
March 24, 2025 at 2:53 PM
Stoked to finally see my research from the last four years in book form 😍
Happy to share my first solo-authored paper - now published in the Journal of Media Psychology.
In this experiment, I investigated how thematic vs episodic news frames influence learning and explored the role of individual framing preferences in these effects.
econtent.hogrefe.com/doi/full/10....
In this experiment, I investigated how thematic vs episodic news frames influence learning and explored the role of individual framing preferences in these effects.
econtent.hogrefe.com/doi/full/10....
Framed for You: Exploring Cognitive Effects of Episodic Versus Thematic Frames and the Moderating Role of Framing Preferences: Journal of Media Psychology: Vol 0, No 0
Can't sign in? Forgot your password?
econtent.hogrefe.com
March 24, 2025 at 10:49 AM
Happy to share my first solo-authored paper - now published in the Journal of Media Psychology.
In this experiment, I investigated how thematic vs episodic news frames influence learning and explored the role of individual framing preferences in these effects.
econtent.hogrefe.com/doi/full/10....
In this experiment, I investigated how thematic vs episodic news frames influence learning and explored the role of individual framing preferences in these effects.
econtent.hogrefe.com/doi/full/10....
Reposted by Nicolas Mattis
Today! The University of Amsterdam strikes against budget cuts in higher education 🆘
@woinactie.bsky.social @eppobruins.bsky.social
www.uva.nl/en/content/e...
@woinactie.bsky.social @eppobruins.bsky.social
www.uva.nl/en/content/e...
UvA strike against budget cuts in higher education
The UvA will be striking against budget cuts in higher education. On Monday, 17 March, UvA employees will stop their work and take part in all-day actions against budget cuts. Join us!
www.uva.nl
March 17, 2025 at 7:57 AM
Today! The University of Amsterdam strikes against budget cuts in higher education 🆘
@woinactie.bsky.social @eppobruins.bsky.social
www.uva.nl/en/content/e...
@woinactie.bsky.social @eppobruins.bsky.social
www.uva.nl/en/content/e...
Reposted by Nicolas Mattis
Reposted by Nicolas Mattis
Washington now ‘largely aligns’ with Moscow’s vision, Kremlin says. TIME Magazine cover says it all (from 2017)
www.washingtonpost.com/world/2025/0...
www.washingtonpost.com/world/2025/0...
March 3, 2025 at 10:16 AM
Washington now ‘largely aligns’ with Moscow’s vision, Kremlin says. TIME Magazine cover says it all (from 2017)
www.washingtonpost.com/world/2025/0...
www.washingtonpost.com/world/2025/0...
Reposted by Nicolas Mattis
BBC just released damning research on AI assistants' news accuracy.
Results: 51% of AI responses had significant issues. 19% introduced errors when citing BBC. 13% misquoted or made up BBC content entirely. 🤐🤐
www.bbc.co.uk/aboutthebbc/... via @ezraeeman.bsky.social
Results: 51% of AI responses had significant issues. 19% introduced errors when citing BBC. 13% misquoted or made up BBC content entirely. 🤐🤐
www.bbc.co.uk/aboutthebbc/... via @ezraeeman.bsky.social
February 11, 2025 at 7:22 AM
BBC just released damning research on AI assistants' news accuracy.
Results: 51% of AI responses had significant issues. 19% introduced errors when citing BBC. 13% misquoted or made up BBC content entirely. 🤐🤐
www.bbc.co.uk/aboutthebbc/... via @ezraeeman.bsky.social
Results: 51% of AI responses had significant issues. 19% introduced errors when citing BBC. 13% misquoted or made up BBC content entirely. 🤐🤐
www.bbc.co.uk/aboutthebbc/... via @ezraeeman.bsky.social
Reposted by Nicolas Mattis
German digital campaigning is so weird. There's a fraction over three weeks to the election, and the biggest parties are doing *nothing* with digital ads. E.g. SPD and CDU are spending around 1/20th of what Labour and the Tories were spending in the UK with three weeks to go last summer.
January 30, 2025 at 9:48 AM
German digital campaigning is so weird. There's a fraction over three weeks to the election, and the biggest parties are doing *nothing* with digital ads. E.g. SPD and CDU are spending around 1/20th of what Labour and the Tories were spending in the UK with three weeks to go last summer.
Who could have guessed that DeepSeek is not the best place for learning about Taiwan's history and political leaders... Surprising though that even Chinese history brought up a filter unless specifically prompted to give me something uncontroversial.
January 28, 2025 at 10:16 PM
Who could have guessed that DeepSeek is not the best place for learning about Taiwan's history and political leaders... Surprising though that even Chinese history brought up a filter unless specifically prompted to give me something uncontroversial.
Reposted by Nicolas Mattis
🚨New publication
Our new study, w/Sophie Morosoli & @aimediademlab.bsky.social folks, explores users' attitudes twd (generative) AI in journalism. What are perceived benefits and concerns? And what are individual acts of resistance against the application of AI?
www.tandfonline.com/doi/full/10....
Our new study, w/Sophie Morosoli & @aimediademlab.bsky.social folks, explores users' attitudes twd (generative) AI in journalism. What are perceived benefits and concerns? And what are individual acts of resistance against the application of AI?
www.tandfonline.com/doi/full/10....
“I Resist”. A Study of Individual Attitudes Towards Generative AI in Journalism and Acts of Resistance, Risk Perceptions, Trust and Credibility
With the growing proliferation of generative AI, discussions about the societal implications of AI, including opportunities and risks, have intensified. Ultimately, the success of initiatives to in...
www.tandfonline.com
January 13, 2025 at 9:44 AM
🚨New publication
Our new study, w/Sophie Morosoli & @aimediademlab.bsky.social folks, explores users' attitudes twd (generative) AI in journalism. What are perceived benefits and concerns? And what are individual acts of resistance against the application of AI?
www.tandfonline.com/doi/full/10....
Our new study, w/Sophie Morosoli & @aimediademlab.bsky.social folks, explores users' attitudes twd (generative) AI in journalism. What are perceived benefits and concerns? And what are individual acts of resistance against the application of AI?
www.tandfonline.com/doi/full/10....
Reposted by Nicolas Mattis
Two quick updates on the AfD on X after Musk took over:
1) The boost I highlighted late last week build down to Alice Weidel "suddenly" gaining a lot of impressions, after being boosted by Musk's engagement.
Here's what this does to the cumulative sum of impressions. Zoom in on last week 📈
...
1) The boost I highlighted late last week build down to Alice Weidel "suddenly" gaining a lot of impressions, after being boosted by Musk's engagement.
Here's what this does to the cumulative sum of impressions. Zoom in on last week 📈
...
January 13, 2025 at 9:45 AM
Two quick updates on the AfD on X after Musk took over:
1) The boost I highlighted late last week build down to Alice Weidel "suddenly" gaining a lot of impressions, after being boosted by Musk's engagement.
Here's what this does to the cumulative sum of impressions. Zoom in on last week 📈
...
1) The boost I highlighted late last week build down to Alice Weidel "suddenly" gaining a lot of impressions, after being boosted by Musk's engagement.
Here's what this does to the cumulative sum of impressions. Zoom in on last week 📈
...
Reposted by Nicolas Mattis
With 17 days to go until the US takeover by the new Trump (or Musk?) administration, I thought it might be worthwhile to share a number of recent papers published by our team that counter arguments that have been leveled against misinformation research. 1/n
January 4, 2025 at 9:13 AM
With 17 days to go until the US takeover by the new Trump (or Musk?) administration, I thought it might be worthwhile to share a number of recent papers published by our team that counter arguments that have been leveled against misinformation research. 1/n