Romain Lachat
@rlachat.bsky.social
Professor of political science, Sciences Po, Cevipof, Paris - Voting behaviour - Political representation - Electoral systems
📣 Big news! 🗓️ Today, @tonirodon.bsky.social and I we are releasing the first version of the ATTCLIMATE panel dataset! ➡️ 4 waves of panel survey data (2023–2025) on citizens' attitudes toward climate change and support for mitigation policies. 🔗 attclimate.net
📢 Job opening The Cevipof is recruiting an Assistant Professor in Political Science in the field of political institutions and contemporary transformations of democracy @cevipof.bsky.social @sciencespo.bsky.social
Recruitement : Assistant Professor (tenure track) in Political Science
CEVIPOF / Sciences Po is recruiting an Assistant Professor (Tenure Track) in Political Science, Topic Immigration and Democracy / Political Theory. The application deadline is 18 September 2026.
sciencespo.fr
Pre-announcement: Call for questions, Selects 2027 Contribute your questions to the Swiss electoral study during the 2027 federal elections. 📅 Call: end of April 2026 🗓 Deadline: end of June 2026 Selects 2023, including datasets, questionnaires & documentation www.swissubase.ch/en/catalogue...
Can published findings be reproduced from the same data + same analysis? As part of SCORE, Miske and 127 co-authors tested this across social and behavioral science papers from 2009–2018. www.nature.com/articles/s41... OA: osf.io/preprints/me... 1/
Investigating the reproducibility of the social and behavioural sciences - Nature
A study of reproducibility in a stratified random sample of 600 papers published from 2009 to 2018 in 62 journals spanning the social and behavioural sciences finds higher reproducibility among more&n...
nature.com
Initiative pour limiter la population suisse à 10 millions - © Chappatte dans Le Temps, Genève 👉chappatte.com
Great conference to launch an excellent new book on French Democracy in Distress. @sciencespo-cee.bsky.social @vtiberj.bsky.social @caterinafr.bsky.social @cevipof.bsky.social
NEW - Quality Not Quantity: How a VAA Affected Voting Behavior in Three Large-Scale Field Experiments - https://cup.org/491pwNQ - @fresejoris.bsky.social, @simonhix.bsky.social & @rlachat.bsky.social #OpenAccess
🇪🇺🇩🇪 Published Today in @bjpols.bsky.social 🇮🇹🇫🇷 How a voting advice application affected voting behavior in three large-scale field experiments: shorturl.at/2ekBj TLDR of our study (with @simonhix.bsky.social & @rlachat.bsky.social) below 👇 1/14
📣 AUTHLIB Final Conference 🗺️ Mapping the Illiberal Challenge: Patterns, Drivers, Consequences 📅 Jan 8–9, 2026 📍 @weareceu.bsky.social, Budapest Two days on illiberalism, democracy & democratic responses. 👉 Register today to secure your spot: www.authlib.eu/authlib-fina...
Where is the French democracy going? Very proud of this new collective book It adresses citizens, parties, institutions, social movements etc... and gathers a brilliant team of scholars
The CERIUM-FMSH summer school comes to an end. Thanks to this fantastic group of promising young scholars: @annasawallisch.bsky.social @anninahermes.bsky.social @francescayton.bsky.social @gaetanoinglese.bsky.social @galron3.bsky.social @ginaaniano.bsky.social Isolde Hegemann
Last day of the CERIUM-FMSH summer school. Today with @jrovny.bsky.social on democracy and illiberalism. @rdassonneville.bsky.social @fondationmsh.bsky.social @cerium-udem.bsky.social
Day 4 of the CERIUM-FMSH summer school, with @simonchauchard.bsky.social on Misinformation, Rumors and Hate Speech. @rdassonneville.bsky.social @fondationmsh.bsky.social @cerium-udem.bsky.social
It was great talking about recent developments in campaign and (social) media influence at the CERIUM-FMSH summer school - and even better to learn about so many promising PhD projects on these topics. Thanks for having me in sunny Paris @rlachat.bsky.social & @rdassonneville.bsky.social!
Romain Lachat@rlachat.bsky.social · last yr.On the second day of the CERIUM-FMSH summer school, @florianfoos.bsky.social discussed about political campaigns and their effects. @rdassonneville.bsky.social @fondationmsh.bsky.social @cerium-udem.bsky.social
We welcome today @sldelange.bsky.social at the CERIUM-FMSH summer school, to talk about far-right and populist parties. @rdassonneville.bsky.social @fondationmsh.bsky.social @cerium-udem.bsky.social
For a data collection we want to launch soon, we're looking for a German speaker who could translate our survey instrument to German. This should only take a few hours of work. Of course we are remunerating! Interested? Please reach out to @alexjabbour.bsky.social !
On the second day of the CERIUM-FMSH summer school, @florianfoos.bsky.social discussed about political campaigns and their effects. @rdassonneville.bsky.social @fondationmsh.bsky.social @cerium-udem.bsky.social
Day 1 of the CERIUM-FMSH summer school. @vinarceneaux.bsky.social presents research on the effects of social media on public opinion. @rdassonneville.bsky.social @fondationmsh.bsky.social @cerium-udem.bsky.social
Looking forward to welcome the participants of the 2025 CERIUM-FMSH summer school, on Challenges to Electoral Democracy. With @rdassonneville.bsky.social , @fondationmsh.bsky.social, @cerium-udem.bsky.social
I'm recruiting 2 PhD researchers to work with me on a project studying how social groups influence vote choices! Info on the position and how to apply 👉 www.kuleuven.be/personeel/jo... Please share with interested students who would like to move to beautiful Leuven!
2 PhD positions in Electoral behavior
2 PhD positions to research how social group memberships become connected to vote choices
kuleuven.be
"We are living through a revolutionary change, a broad shift away from the transparency and accountability mandated by most modern democracies, and toward the opaque habits and corrupt practices of the autocratic world" www.theatlantic.com/ideas/archiv...
The Kleptocracy Presidency
Under Trump, conflicts of interest are just part of the system.
theatlantic.com
“even if [Europeans] cannot stop the attacks on US academia, different groups can help US-based academics in other ways.” My new op-Ed in @theguardian.com
Trump is targeting US universities as never before. Here are four ways to help them | Cas Mudde
Supporters in Europe can offer new opportunities and minimise the isolation. Certainly they can avoid making things worse, says political scientist Cas Mudde
theguardian.com
Published Today in PSRM: Based on a novel “Multiple Unexpected Events during Survey Design” (MUESD), I contextualize previous findings suggesting that Europeans become more empathetic toward migrants when exposed to migrant suffering. www.cambridge.org/core/journal... A Summary Thread: 1/15
🦋 Welcome to our new followers! You can find here the starter pack gathering our members present on Bluesky. Go follow them ⏬ go.bsky.app/EBRGCLH
Zelensky in the crossfire - © Chappatte in NZZ am Sonntag, Zürich 👉 www.chappatte.com/en/images/ze...
[LE MONDE] À la une du journal @lemonde.fr aujourd’hui, un dessin par @chappatte.bsky.social (Suisse) : www.lemonde.fr/idees/articl...
Vu par… Chappatte
CARTE BLANCHE. Le dessin paru en une du « Monde » le 4 mars est signé par le dessinateur suisse, membre de l’association Cartooning for Peace.
lemonde.fr
If you understand German: I tried to make the case I am outlining in the thread below on German television. The Trumpists really mean it. Just as on the domestic level, they are going for regime change - for a fundamentally different world order:
Interview zum Trump-Selenskyj-Eklat: "Die USA haben sich entschieden"
Europa müsse sich von dem Missverständnis verabschieden, mit US-Präsident Trump sei eine gemeinsame Politik möglich: Der Historiker Zimmer fordert, die neue Politik der USA als das zu akzeptieren, was...
tagesschau.de
Thomas Zimmer@thomaszimmer.bsky.social · 2y agoPeople who claim Zelensky was at fault yesterday and should have been more “diplomatic” or “respectful” are either deliberately propagating the Trumpist attack line – or they fundamentally misunderstand what the Trumpist project is and who is now in power in the United States.
