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Posts by Sebastian Stier

PACSS 2026: Politics and Computational Social Science Conference | Computational Social Science Institute

PaCSS (Politics and Computational Social Science) is back! APSA preconference at BU joint with Political Communication, deadline for submission is May 8. Should be great!

cssi.umass.edu/pacss2026

4 days ago 8 4 0 0
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What do people think about AI-driven persuasion? In a new working paper with @adrauc.bsky.social, we show the hidden costs of attempts at automated opinion change in politics. arxiv.org/abs/2603.27413

6 days ago 2 2 1 0

๐Ÿ“ฃ CFP DGPuK Methods 2026 (@gesis.org, Kรถln)
๐Ÿง  Measuring Media Use & Effects: Computational Opportunities & Challenges
topics: theorizing media use & effects in algorithmically shaped environments, concepts and measurement, ethics & bias ...
๐Ÿ—“๏ธ 30 Sepโ€“2 Oct | โณ Deadline: 15 May
๐Ÿ”—https://t1p.de/q6ram

1 week ago 7 8 0 0

We opened a new PhD position in our department focusing on CSS research on and with AI agents. Please share the job ad and contact us if you have questions: gesis.jobs.personio.de/job/2594220?...

1 week ago 16 18 0 1

Join us in week one! Many great collegues from the CSS department (e.g., @gabriellalapesa.bsky.social, @vigneshwaran-s.bsky.social @sebstier.bsky.social, @ahrabhikat.bsky.social) will be involved!

1 week ago 9 4 0 0
GESIS Fall Seminar in Computational Social Science 2026
๐Ÿ—“๏ธ 31 Aug โ€“ 29 Sep 2026
๐Ÿ“ Mannheim or online

GESIS Fall Seminar in Computational Social Science 2026 ๐Ÿ—“๏ธ 31 Aug โ€“ 29 Sep 2026 ๐Ÿ“ Mannheim or online

๐Ÿ“ฃ We're excited that the program for this yearโ€™s #GESISfallseminar in Computational Social Science is out & registration is now open!

๐Ÿ—“๏ธ 31 Aug โ€“ 29 Sep 2026
๐Ÿ“ GESIS Mannheim or online

More info at gesis.org/fallseminar. Full program & registration at t1p.de/FallSeminar2026-Program.

@gesis.org

1 week ago 13 13 0 2
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The Societal Observatory Using Novel Data Sources(SOUNDS) initiative is hiring a Postdoc for Computational Social Science. Apply by 24.04.2026

Link: www.uni-saarland.de/fileadmin/up...

SOUNDS: www.sounds-observatory.org

@ingmarweber.de @politicsunisaar.bsky.social @saarland-informatics-campus.de

2 weeks ago 7 7 0 1
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#MeetTheExperts #mte #newseason
The GESIS online series "Meet the Experts" will start its 10thseason on April 23rd, this time on โ€œGESIS Guides: Survey Methodology and Digital Behavioral Data explainedโ€!

You can find the registration and information about the talks here:
www.gesis.org/en/ser...

4 weeks ago 3 2 1 0
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Social Media Access Days Social Media Access Days Social media data between research and infrastructure โ€“ sustainable archiving, cataloguing and access

Back home after "Social Media Access Days - Social media data between research and infrastructure โ€“ sustainable archiving, indexing and access" www.dnb.de/EN/Professio.... It was a pleasure to co-host, thanks to my co-organizers and the professional local team at @dnb-aktuelles.bsky.social #smad2026

1 month ago 11 4 1 0
Goethe-Universitรคt โ€” Zentrale Einrichtungen Die Goethe-Universitรคt ist eine forschungsstarke Hochschule in der europรคischen Finanzmetropole Frankfurt. Lebendig, urban und weltoffen besitzt sie als Stiftungsuniversitรคt ein einzigartiges MaรŸ an E...

I'm hiring a postdoc! @goetheuni.bsky.social

Focus: CSS, political behavior, political communication & transforming information environments.

๐Ÿ“ Frankfurt | โณ 3 years | ๐Ÿ“… Deadline: 14 April 2026

Full job ad here: www.uni-frankfurt.de/48794987/Zen... (search for โ€œpolitical behaviorโ€ to find it)

1 month ago 64 52 0 3
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โŒ› Only one week left to apply! *Deadline 17.3.2026*
Come and work with us on innovative approaches to gain insights into misinformation dynamics across platforms specifically endangering young people.

1 month ago 6 9 0 0
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Wissenschaftliche*r Mitarbeiter*in (Doktorand*in) GESIS Panel | Jobs bei GESIS โ€“ Leibniz-Institut fรผr Sozialwissenschaften GESIS ist eine der weltweit fรผhrenden Infrastruktureinrichtungen fรผr die Sozialwissenschaften und steht Forscher*innen mit Expertise und Infrastrukturangeboten auf allen Ebenen ihrer Forschungsprojekt...

๐Ÿ“ข Promotionsstelle zum 01.07.2026 bei GESIS

- Standort: Mannheim
- Team: GESIS Panel
- Aufgabenprofil: survey-methodisch, facettenreich, innovativ & team-orientiert
- Vertragslรคnge: 4 Jahre
- Gehaltseingruppierung: TVL 13, 75%
- Bewerbungsfrist: 12.04.2026
- gesis.jobs.personio.de/job/2553179?...

1 month ago 7 9 0 0

#EDGE โ€“ Enhancing Democratic Support under Conditions of Geographic and Intersectional Inequalities in Europe has been funded under Horizon Europe. My first Horizon project as coordinatorโ€”and the first coordination for @gesis.org On my side as Co-PI the amazing @sofiavasilopoulou.bsky.social

1 month ago 19 3 4 0
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Political campaigns worldwide experiment with AI. But how do people see different electoral uses of AI and with what consequences?

In a new study in @polcommjournal.bsky.social with @adrauc.bsky.social and @kunkakom.bsky.social, we address these questions. www.tandfonline.com/doi/full/10.... 1/

1 month ago 15 7 1 0
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The SOUNDS initiative is hiring for ๐—ช๐—ถ๐˜€๐˜€๐—ฒ๐—ป๐˜€๐—ฐ๐—ต๐—ฎ๐—ณ๐˜๐—น๐—ถ๐—ฐ๐—ต๐—ฒ ๐— ๐—ถ๐˜๐—ฎ๐—ฟ๐—ฏ๐—ฒ๐—ถ๐˜๐—ฒ๐—ฟ๐—ถ๐—ป/ ๐—ช๐—ถ๐˜€๐˜€๐—ฒ๐—ป๐˜€๐—ฐ๐—ต๐—ฎ๐—ณ๐˜๐—น๐—ถ๐—ฐ๐—ต๐—ฒ๐—ฟ ๐— ๐—ถ๐˜๐—ฎ๐—ฟ๐—ฏ๐—ฒ๐—ถ๐˜๐—ฒ๐—ฟ ๐˜‚๐—ป๐—ฑ
๐—ฅ๐—ฒ๐—ณ๐—ฒ๐—ฟ๐—ฒ๐—ป๐˜๐—ถ๐—ป/ ๐—ฅ๐—ฒ๐—ณ๐—ฒ๐—ฟ๐—ฒ๐—ป๐˜ ๐—ข๐˜‚๐˜๐—ฟ๐—ฒ๐—ฎ๐—ฐ๐—ต ๐˜‚๐—ป๐—ฑ ๐—ง๐—ต๐—ถ๐—ฟ๐—ฑ-๐— ๐—ถ๐˜€๐˜€๐—ถ๐—ผ๐—ป ๐—บ๐—ถ๐˜ ๐—™๐—ผ๐—ธ๐˜‚๐˜€
๐—ช๐—ถ๐˜€๐˜€๐—ฒ๐—ป๐˜€๐—ฐ๐—ต๐—ฎ๐—ณ๐˜๐˜€๐—ธ๐—ผ๐—บ๐—บ๐˜‚๐—ป๐—ถ๐—ธ๐—ฎ๐˜๐—ถ๐—ผ๐—ป ๐—ถ๐—ป ๐—ฆ๐—ข๐—จ๐—ก๐——๐—ฆ (๐—บ/๐˜„/๐—ฑ).

Link: www.uni-saarland.de/fileadmin/up...

@ingmarweber.de @politicsunisaar.bsky.social

2 months ago 3 5 0 0

Really enjoyed writing this piece with @heinzleitgoeb.bsky.social. Helped me structure my own thinking about when and how to use digital behavioral data for causal inference. Hope others find it useful as well!

2 months ago 10 4 2 0

Very happy to see this out now! ๐Ÿ“ƒ

Coincidentally well timed with the ongoing DSA Observatory Conference in Amsterdam, a new publication titled โ€œElection research in the age of regulated data access under the EU Digital Services Actโ€ has been published in Internet Policy Review today! โœจ

2 months ago 7 5 1 1
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Election research in the age of regulated data access under the EU Digital Services Act In this paper, the authors discuss the implications of regulated data access under the European Digital Services Act for election research.

New paper by @philippdarius.bsky.social, @jasminriedl.bsky.social, @feloe.bsky.social, @meinungsfuehrer.bsky.social, @sebstier.bsky.social, and me in @policyr.bsky.social: "Election research in the age of regulated data access under the EU Digital Services Act"
policyreview.info/articles/ana...

2 months ago 10 5 0 0
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The Societal Observatory Using Novel Data Sources (SOUNDS) project is inviting applications for the following position:

๐—ฃ๐—ผ๐˜€๐˜๐—ฑ๐—ผ๐—ฐ ๐—ฅ๐—ฒ๐˜€๐—ฒ๐—ฎ๐—ฟ๐—ฐ๐—ต๐—ฒ๐—ฟ ๐—ฝ๐—ผ๐˜€๐—ถ๐˜๐—ถ๐—ผ๐—ป๐˜€ (๐—ณ/๐—บ/๐˜…) ๐—ณ๐—ผ๐—ฟ ๐—ฆ๐—ผ๐—ฐ๐—ถ๐—ฒ๐˜๐—ฎ๐—น ๐—–๐—ผ๐—บ๐—ฝ๐˜‚๐˜๐—ถ๐—ป๐—ด (๐—ฟ๐—ฒ๐—ณ: ๐—ช๐Ÿฎ๐Ÿด๐Ÿฌ๐Ÿญ)
Paygrade: E13 TV-L 100%
Duration: 2 years

@ingmarweber.de @politicsunisaar.bsky.social @uni-saarland.de

2 months ago 5 8 1 0
Upcoming Workshops May 2026:

Preprocessing and Analyzing Web Tracking Data
04 โ€“ 05 May | Hybrid (Cologne | Online)

Introduction to Conjoint Survey Experiments
06 โ€“ 07 May | Online

Introduction to R
06 โ€“ 08 May | Online

Upcoming Workshops May 2026: Preprocessing and Analyzing Web Tracking Data 04 โ€“ 05 May | Hybrid (Cologne | Online) Introduction to Conjoint Survey Experiments 06 โ€“ 07 May | Online Introduction to R 06 โ€“ 08 May | Online

New skills bloom this May with #GESISworkshops ๐ŸŒธ

Explore:
๐ŸŒ๐Ÿ“Š Preprocessing and Analyzing Web Tracking Data
๐Ÿงฉ๐Ÿ“ˆ Introduction to Conjoint Survey Experiments
๐Ÿ’ปโฑ๏ธ Introduction to R

@gesis.org

Full program โžก๏ธ gesis.org/training
Workshop details ๐Ÿงต๐Ÿ‘‡

2 months ago 6 6 1 0
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Congrats Lisa. Well deserved! Wish you a great start in Frankfurt.

2 months ago 1 0 0 0
Who we are - Center for critical computational studies

Big news: I started a new position as Professor for Computational Social Science (W1 tenure track) at the Center for Critical Computational Studies (C3S) at Goethe University in Frankfurt am Main!

www.c3s-frankfurt.de/who-we-are#m...

2 months ago 100 11 13 1

Introducing the GESIS AppKit: An app-based mobile data collection infrastructure: https://osf.io/q8v72

2 months ago 3 2 0 0
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Since joining the GESIS Panel in 2024, the GESIS Panel.dbd Digital Behavioral Data Sample has released its first dataset, opening new research opportunities by using survey data linked with digital behavioral data.
Dataset: search.gesis.org/research_dat...
Documentation: shiny.gesis.org/gpdbd/

2 months ago 10 4 0 0
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Mitarbeiter*in fรผr vertrauenswรผrdige Forschungsumgebungen (DSS-25) | Jobs bei GESIS โ€“ Leibniz-Institut fรผr Sozialwissenschaften GESIS ist eine der weltweit fรผhrenden Infrastruktureinrichtungen fรผr die Sozialwissenschaften und steht Forscher*innen mit Expertise und Infrastrukturangeboten auf allen Ebenen ihrer Forschungsprojekt...

There is a permanent position available in my team! You will help researchers gain access to highly sensitive data and analyse them in a secure environment: gesis.jobs.personio.de/job/2495658?...

Go for it and see you in Cologne โค๏ธ๐Ÿค

2 months ago 10 8 0 0
Democracy at Risk? Societal Challenges, Data, and Research Infrastructures in the Age of CSS โ€“ Computational Social Science

๐Ÿšจ Coming up: DACH-CSS 2026 Conference
โ€œDemocracy at Risk? Societal Challenges, Data, and Research Infrastructures in the Age of CSSโ€

๐Ÿ“… Date: May 21โ€“22, 2026
๐Ÿ“ Location: CEU, Vienna, Austria
๐Ÿ”— Program and Registration: computational-social-science.org/workshops/20...

3 months ago 6 3 0 0
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#AI #GESISPanel #DBD
1st wave of data from GESIS Panel.dbd Digital Behavioral Data Sample: The data covers topics such as demographics, internet use, attitudes toward AI, trust in the media. In the future, the data can be linked to a wide variety of digital behavioral data.
search.gesis.org/res...

3 months ago 6 3 0 0
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GESIS-Suche

New @gesis.org data set publication: "Social Media Accounts of German Candidates from the German Federal Election 2025"
doi.org/10.4232/1.14...

3 months ago 26 12 0 1
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Digital Technologies and Sampling. Comparing Estimates From Different Recruitment - Approaches Within the GESIS Panel.dbd. Using a dataset of the GESIS Panel.dbd from 2023, this article examines AI use and attitudes in Germany. Almost half of the respondents had tried ChatGPT while one in five had not heard of it.

#blog
The new post on the #GESISblog highlights the use of and attitudes toward #AI in Germany. Julius Kleinbub, Dr. Joachim Piepenburg, and Katharina Kraft show that most people had heard about ChatGPT, while frequent use was scare, with mixed attitudes toward AI.

3 months ago 2 1 0 0
Stellenausschreibung

Postdoc position in CSS/Sociology at @unidue.bsky.social:
www.uni-due.de/karriere/ste...
EG 13 TV-L for three years
Please apply before Feb 5th 2026
Research cluster Anja WeiรŸ, Institute for Sociology, University of Duisburg-Essen #computationalsocialscience

3 months ago 6 7 0 0