Lars Leszczensky
@leszczensky.bsky.social
Sociologist @goetheuni Frankfurt. Member of @infer-frankfurt. Interested in social networks, intergroup relations, ethnic/religious identity & more.
Pinned
Lars Leszczensky
@leszczensky.bsky.social
· Sep 15
📢 In a new study in #SocialNetworks, David Kretschmer and I examine how religious #segregation in #adolescent #friendship networks develops from 11 to 17 📈, focusing on #gender 🚹🚺. We find an increase in in‑group friends only among highly religious #Muslim girls 💡.
More 👉
doi.org/10.1016/j.so...
More 👉
doi.org/10.1016/j.so...
Reposted by Lars Leszczensky
We are really excited to kick this semester's InFER Colloquium & Comparative Politics Speaker Series off with a talk by Valerie Sticher (@ethz.ch): "Satellite Data for Understanding and Monitoring Armed Conflict”
Join us next tuesday!
Join us next tuesday!
November 6, 2025 at 11:37 AM
We are really excited to kick this semester's InFER Colloquium & Comparative Politics Speaker Series off with a talk by Valerie Sticher (@ethz.ch): "Satellite Data for Understanding and Monitoring Armed Conflict”
Join us next tuesday!
Join us next tuesday!
Reposted by Lars Leszczensky
Are humans really the only rational animals? Our NEW PAPER 🎉 out in @science.org suggests otherwise! In a large collaboration led with my joint first author @hanna-schleihauf.bsky.social, we show that “Chimpanzees rationally revise their beliefs” 🧵
Chimpanzees rationally revise their beliefs
The selective revision of beliefs in light of new evidence has been considered one of the hallmarks of human-level rationality. However, tests of this ability in other species are lacking. We examined...
www.science.org
October 30, 2025 at 6:23 PM
Are humans really the only rational animals? Our NEW PAPER 🎉 out in @science.org suggests otherwise! In a large collaboration led with my joint first author @hanna-schleihauf.bsky.social, we show that “Chimpanzees rationally revise their beliefs” 🧵
Reposted by Lars Leszczensky
💼🔎 We are looking for a post-doctoral researcher (100%) to participate in a project funded by the German Research Foundation (DFG) and the Israeli Science Foundation (ISF).
Find all information about the job posting here:
www.polsoz.fu-berlin.de/soziologie/a...
Find all information about the job posting here:
www.polsoz.fu-berlin.de/soziologie/a...
Stellenausschreibung für 1 Research Assistant (postdoc) (m/f/d) Vollzeitbeschäftigung befristet auf 3 Jahre
www.polsoz.fu-berlin.de
October 24, 2025 at 10:11 AM
💼🔎 We are looking for a post-doctoral researcher (100%) to participate in a project funded by the German Research Foundation (DFG) and the Israeli Science Foundation (ISF).
Find all information about the job posting here:
www.polsoz.fu-berlin.de/soziologie/a...
Find all information about the job posting here:
www.polsoz.fu-berlin.de/soziologie/a...
Reposted by Lars Leszczensky
Don't forget to submit your Assistant Professor in Computational Social Science application this weekend❗
📚 jobs.lse.ac.uk/Vacancies/W/...
Applications close 26 October 🚨
📚 jobs.lse.ac.uk/Vacancies/W/...
Applications close 26 October 🚨
October 24, 2025 at 4:08 PM
Don't forget to submit your Assistant Professor in Computational Social Science application this weekend❗
📚 jobs.lse.ac.uk/Vacancies/W/...
Applications close 26 October 🚨
📚 jobs.lse.ac.uk/Vacancies/W/...
Applications close 26 October 🚨
Reposted by Lars Leszczensky
✨CREST Sociology is hiring ✨
Assistant or Associate Professor in Computational Sociology
Details here: www.shorturl.at/E57le
Assistant or Associate Professor in Computational Sociology
Details here: www.shorturl.at/E57le
October 22, 2025 at 10:03 AM
✨CREST Sociology is hiring ✨
Assistant or Associate Professor in Computational Sociology
Details here: www.shorturl.at/E57le
Assistant or Associate Professor in Computational Sociology
Details here: www.shorturl.at/E57le
Reposted by Lars Leszczensky
Tagung zu "Netzwerke, Kommunikation und Kultur in Online- und Offline-Welten" am 19./20. März 2026 am @gesis.org in Mannheim.
Organisiert mit @lydiarepke.bsky.social Malte Doehne, Haiko Lietz, Philip Roth. #digitalenetzwerke #netzwerkforschung
Wir freuen uns über Beitragsvorschläge bis zum 1.12.!
Organisiert mit @lydiarepke.bsky.social Malte Doehne, Haiko Lietz, Philip Roth. #digitalenetzwerke #netzwerkforschung
Wir freuen uns über Beitragsvorschläge bis zum 1.12.!
Netzwerk Tagung
GESIS Leibniz Institut für Sozialwissenschaften
www.gesis.org
October 14, 2025 at 4:29 PM
Tagung zu "Netzwerke, Kommunikation und Kultur in Online- und Offline-Welten" am 19./20. März 2026 am @gesis.org in Mannheim.
Organisiert mit @lydiarepke.bsky.social Malte Doehne, Haiko Lietz, Philip Roth. #digitalenetzwerke #netzwerkforschung
Wir freuen uns über Beitragsvorschläge bis zum 1.12.!
Organisiert mit @lydiarepke.bsky.social Malte Doehne, Haiko Lietz, Philip Roth. #digitalenetzwerke #netzwerkforschung
Wir freuen uns über Beitragsvorschläge bis zum 1.12.!
Reposted by Lars Leszczensky
1/4 📢 New paper in PSPB with Andreas Flache!
How do attitudes & behaviors spread?
#SocialInfluence among #adolescents isn’t just passed from friend to friend — it also flows through group norms. Both channels shaped academic drive, #prejudice, #religiosity.
👉DOI: 10.1177/01461672251366388
How do attitudes & behaviors spread?
#SocialInfluence among #adolescents isn’t just passed from friend to friend — it also flows through group norms. Both channels shaped academic drive, #prejudice, #religiosity.
👉DOI: 10.1177/01461672251366388
October 3, 2025 at 9:17 AM
1/4 📢 New paper in PSPB with Andreas Flache!
How do attitudes & behaviors spread?
#SocialInfluence among #adolescents isn’t just passed from friend to friend — it also flows through group norms. Both channels shaped academic drive, #prejudice, #religiosity.
👉DOI: 10.1177/01461672251366388
How do attitudes & behaviors spread?
#SocialInfluence among #adolescents isn’t just passed from friend to friend — it also flows through group norms. Both channels shaped academic drive, #prejudice, #religiosity.
👉DOI: 10.1177/01461672251366388
Reposted by Lars Leszczensky
Reposted by Lars Leszczensky
The week ends with excellent news: the @dfg.de grants the renewal of our research group #RISS "Reconfiguration and Internalization of Social Structure" for a second funding phase!
Thus, more fascinating research ongoing & more jobs opening up at @infer-frankfurt.bsky.social @goetheuni.bsky.social!
Thus, more fascinating research ongoing & more jobs opening up at @infer-frankfurt.bsky.social @goetheuni.bsky.social!
September 26, 2025 at 10:29 AM
The week ends with excellent news: the @dfg.de grants the renewal of our research group #RISS "Reconfiguration and Internalization of Social Structure" for a second funding phase!
Thus, more fascinating research ongoing & more jobs opening up at @infer-frankfurt.bsky.social @goetheuni.bsky.social!
Thus, more fascinating research ongoing & more jobs opening up at @infer-frankfurt.bsky.social @goetheuni.bsky.social!
Reposted by Lars Leszczensky
📣 Attention, postdoctoral researchers!
❗ Apply now for our MZES Visiting Fellowships 😊
💡 Spend 2-4 weeks at the MZES to share ideas
💰 Funding for accommodation, travel, daily allowance
📆 Deadline: 28 November
Full information:
👉 www.mzes.uni-mannheim.de/en/news/deta...
❗ Apply now for our MZES Visiting Fellowships 😊
💡 Spend 2-4 weeks at the MZES to share ideas
💰 Funding for accommodation, travel, daily allowance
📆 Deadline: 28 November
Full information:
👉 www.mzes.uni-mannheim.de/en/news/deta...
September 22, 2025 at 9:29 AM
📣 Attention, postdoctoral researchers!
❗ Apply now for our MZES Visiting Fellowships 😊
💡 Spend 2-4 weeks at the MZES to share ideas
💰 Funding for accommodation, travel, daily allowance
📆 Deadline: 28 November
Full information:
👉 www.mzes.uni-mannheim.de/en/news/deta...
❗ Apply now for our MZES Visiting Fellowships 😊
💡 Spend 2-4 weeks at the MZES to share ideas
💰 Funding for accommodation, travel, daily allowance
📆 Deadline: 28 November
Full information:
👉 www.mzes.uni-mannheim.de/en/news/deta...
Reposted by Lars Leszczensky
Stable or dynamic? Explaining the development of Muslim and non-Muslim boys’ and girls’ friendship-making across adolescence
doi.org/10.1016/j.so...
Paper in Social Networks by @nuffieldcollege.bsky.social Postdoctoral Prize Research Fellow David Kretschmer and @leszczensky.bsky.social
doi.org/10.1016/j.so...
Paper in Social Networks by @nuffieldcollege.bsky.social Postdoctoral Prize Research Fellow David Kretschmer and @leszczensky.bsky.social
Stable or dynamic? Explaining the development of Muslim and non-Muslim boys’ and girls’ friendship-making across adolescence
Friendship segregation between Muslim and non-Muslim youth in Europe is well documented. However, previous network studies provide only snapshots, thu…
doi.org
September 17, 2025 at 1:20 PM
Stable or dynamic? Explaining the development of Muslim and non-Muslim boys’ and girls’ friendship-making across adolescence
doi.org/10.1016/j.so...
Paper in Social Networks by @nuffieldcollege.bsky.social Postdoctoral Prize Research Fellow David Kretschmer and @leszczensky.bsky.social
doi.org/10.1016/j.so...
Paper in Social Networks by @nuffieldcollege.bsky.social Postdoctoral Prize Research Fellow David Kretschmer and @leszczensky.bsky.social
Reposted by Lars Leszczensky
📢 In a new study in #SocialNetworks, David Kretschmer and I examine how religious #segregation in #adolescent #friendship networks develops from 11 to 17 📈, focusing on #gender 🚹🚺. We find an increase in in‑group friends only among highly religious #Muslim girls 💡.
More 👉
doi.org/10.1016/j.so...
More 👉
doi.org/10.1016/j.so...
September 15, 2025 at 9:02 AM
📢 In a new study in #SocialNetworks, David Kretschmer and I examine how religious #segregation in #adolescent #friendship networks develops from 11 to 17 📈, focusing on #gender 🚹🚺. We find an increase in in‑group friends only among highly religious #Muslim girls 💡.
More 👉
doi.org/10.1016/j.so...
More 👉
doi.org/10.1016/j.so...
📢 In a new study in #SocialNetworks, David Kretschmer and I examine how religious #segregation in #adolescent #friendship networks develops from 11 to 17 📈, focusing on #gender 🚹🚺. We find an increase in in‑group friends only among highly religious #Muslim girls 💡.
More 👉
doi.org/10.1016/j.so...
More 👉
doi.org/10.1016/j.so...
September 15, 2025 at 9:02 AM
📢 In a new study in #SocialNetworks, David Kretschmer and I examine how religious #segregation in #adolescent #friendship networks develops from 11 to 17 📈, focusing on #gender 🚹🚺. We find an increase in in‑group friends only among highly religious #Muslim girls 💡.
More 👉
doi.org/10.1016/j.so...
More 👉
doi.org/10.1016/j.so...
Reposted by Lars Leszczensky
We're hiring in wonderful Copenhagen 🇩🇰
Two or more open rank sociology professorships (tt assistant, associate with tenure, or full prof with tenure).
You'll join a leading sociology department in Europe with many core fields represented!
#sociology
More 👇
jobportal.ku.dk/videnskabeli...
Two or more open rank sociology professorships (tt assistant, associate with tenure, or full prof with tenure).
You'll join a leading sociology department in Europe with many core fields represented!
#sociology
More 👇
jobportal.ku.dk/videnskabeli...
Call for two or more open-rank academic positions in Sociology
jobportal.ku.dk
September 11, 2025 at 4:46 PM
We're hiring in wonderful Copenhagen 🇩🇰
Two or more open rank sociology professorships (tt assistant, associate with tenure, or full prof with tenure).
You'll join a leading sociology department in Europe with many core fields represented!
#sociology
More 👇
jobportal.ku.dk/videnskabeli...
Two or more open rank sociology professorships (tt assistant, associate with tenure, or full prof with tenure).
You'll join a leading sociology department in Europe with many core fields represented!
#sociology
More 👇
jobportal.ku.dk/videnskabeli...
Reposted by Lars Leszczensky
🚨We are hiring 2 Lecturers/Assistant profs in Quant Social Science at UCL🚨
What we look for:
🐍 R/Python proficiency
🤖 Teaching and/or doing ML and/or social networks
🌍 Research on inequality, climate, education, social norms & more
Circulate this or apply by 10-Oct 👉 tinyurl.com/5djcc35z
What we look for:
🐍 R/Python proficiency
🤖 Teaching and/or doing ML and/or social networks
🌍 Research on inequality, climate, education, social norms & more
Circulate this or apply by 10-Oct 👉 tinyurl.com/5djcc35z
UCL – University College London
UCL is consistently ranked as one of the top ten universities in the world (QS World University Rankings 2010-2022) and is No.2 in the UK for research power (Research Excellence Framework 2021).
tinyurl.com
September 1, 2025 at 1:39 PM
🚨We are hiring 2 Lecturers/Assistant profs in Quant Social Science at UCL🚨
What we look for:
🐍 R/Python proficiency
🤖 Teaching and/or doing ML and/or social networks
🌍 Research on inequality, climate, education, social norms & more
Circulate this or apply by 10-Oct 👉 tinyurl.com/5djcc35z
What we look for:
🐍 R/Python proficiency
🤖 Teaching and/or doing ML and/or social networks
🌍 Research on inequality, climate, education, social norms & more
Circulate this or apply by 10-Oct 👉 tinyurl.com/5djcc35z
Reposted by Lars Leszczensky
WORK! The Sociology Department at Utrecht University is hiring a new assistant prof, with expertise on migration/integration/polarization/stratification. Come join us! www.uu.nl/organisatie/...
Universitair docent sociologie
Wil jij studenten inspireren en vernieuwend onderwijs geven? Versterk ons team als universitair docent met expertise in migratie en/of sociale stratificatie.
www.uu.nl
September 1, 2025 at 11:39 AM
WORK! The Sociology Department at Utrecht University is hiring a new assistant prof, with expertise on migration/integration/polarization/stratification. Come join us! www.uu.nl/organisatie/...
Reposted by Lars Leszczensky
📢 For my DFG project “The Role of Religiosity in Delinquency among Christian and Muslim Youths,” (ReliDeli) I am looking for a research associate:
🔗 en.kfn.de/wp-content/u...
#Sociology #Psychology #PoliticalScience #Criminology
👇
🔗 en.kfn.de/wp-content/u...
#Sociology #Psychology #PoliticalScience #Criminology
👇
🔍 Researcher (Pre-Doc) (f/m/d), 75%, Sociology, Psychology, Political Science, Criminology or related disciplines
📅 Start: 01.10.2025 (or later), limited to 3 years.
📩 Applications must be submitted by 17 September 2025 to: jp.steinmann@kfn.de
Further information: en.kfn.de/research-pro...
📅 Start: 01.10.2025 (or later), limited to 3 years.
📩 Applications must be submitted by 17 September 2025 to: jp.steinmann@kfn.de
Further information: en.kfn.de/research-pro...
August 20, 2025 at 8:13 AM
📢 For my DFG project “The Role of Religiosity in Delinquency among Christian and Muslim Youths,” (ReliDeli) I am looking for a research associate:
🔗 en.kfn.de/wp-content/u...
#Sociology #Psychology #PoliticalScience #Criminology
👇
🔗 en.kfn.de/wp-content/u...
#Sociology #Psychology #PoliticalScience #Criminology
👇
Reposted by Lars Leszczensky
I'm hiring another postdoc (research-focused, for almost 5 years) for my @erc.europa.eu project on the educational cleavage!
I'm looking for someone with strong quantitative text-analysis skills (e.g. #NLP, #LLM, etc.) to study the role of political actors in cleavage formation.
I'm looking for someone with strong quantitative text-analysis skills (e.g. #NLP, #LLM, etc.) to study the role of political actors in cleavage formation.
July 25, 2025 at 12:37 PM
I'm hiring another postdoc (research-focused, for almost 5 years) for my @erc.europa.eu project on the educational cleavage!
I'm looking for someone with strong quantitative text-analysis skills (e.g. #NLP, #LLM, etc.) to study the role of political actors in cleavage formation.
I'm looking for someone with strong quantitative text-analysis skills (e.g. #NLP, #LLM, etc.) to study the role of political actors in cleavage formation.
Reposted by Lars Leszczensky
🎉 Ich freue mich auf das DFG-Projekt (@dfg.de) zu einer klassischen kriminologischen Frage:
🧐 Wie hängen Religiosität und delinquentes Verhalten zusammen?
📢 Ausschreibung einer Projektstelle (E 13 TV-L, 75%, 3 Jahre) folgt in Kürze.
#Soziologie #Psychologie #Politikwissenschaft #Kriminologie
🧐 Wie hängen Religiosität und delinquentes Verhalten zusammen?
📢 Ausschreibung einer Projektstelle (E 13 TV-L, 75%, 3 Jahre) folgt in Kürze.
#Soziologie #Psychologie #Politikwissenschaft #Kriminologie
🚀 DFG-Projekt bewilligt!
Das Projekt „Die Rolle von Religiosität für Delinquenz unter christlichen und muslimischen Jugendlichen“, geleitet von Dr. Jan-Philip Steinmann (@jpsteinmann.bsky.social), wird von der DFG (@dfg.de) für eine Laufzeit von 36 Monaten gefördert.
♾️ kfn.de/forschungspr...
Das Projekt „Die Rolle von Religiosität für Delinquenz unter christlichen und muslimischen Jugendlichen“, geleitet von Dr. Jan-Philip Steinmann (@jpsteinmann.bsky.social), wird von der DFG (@dfg.de) für eine Laufzeit von 36 Monaten gefördert.
♾️ kfn.de/forschungspr...
August 12, 2025 at 9:23 AM
🎉 Ich freue mich auf das DFG-Projekt (@dfg.de) zu einer klassischen kriminologischen Frage:
🧐 Wie hängen Religiosität und delinquentes Verhalten zusammen?
📢 Ausschreibung einer Projektstelle (E 13 TV-L, 75%, 3 Jahre) folgt in Kürze.
#Soziologie #Psychologie #Politikwissenschaft #Kriminologie
🧐 Wie hängen Religiosität und delinquentes Verhalten zusammen?
📢 Ausschreibung einer Projektstelle (E 13 TV-L, 75%, 3 Jahre) folgt in Kürze.
#Soziologie #Psychologie #Politikwissenschaft #Kriminologie
Reposted by Lars Leszczensky
BREAKING: new study just dropped that shows compelling evidence that cell phone bans cause student grades to modestly increase.
Grade increases are largest among low performing students.
Grade increases are largest among low performing students.
August 5, 2025 at 12:39 AM
BREAKING: new study just dropped that shows compelling evidence that cell phone bans cause student grades to modestly increase.
Grade increases are largest among low performing students.
Grade increases are largest among low performing students.
Reposted by Lars Leszczensky
#Published: "Attitudes towards interethnic partnerships with refugees: Evidence from a factorial survey experiment in Germany" by Jana Kuhlemann, @stefanieheyne.bsky.social & Irena Kogan (doi.org/10.20377/jfr...). @parform.bsky.social #JFR #JFamRes #openaccess #openscience #sociology #demography
July 28, 2025 at 5:32 AM
#Published: "Attitudes towards interethnic partnerships with refugees: Evidence from a factorial survey experiment in Germany" by Jana Kuhlemann, @stefanieheyne.bsky.social & Irena Kogan (doi.org/10.20377/jfr...). @parform.bsky.social #JFR #JFamRes #openaccess #openscience #sociology #demography
Reposted by Lars Leszczensky
Saddened by news of Tom Lehrer's passing. We remind ourselves of history's most effective criticism of quantitative sociology.
youtu.be/mB97Qe2D4V0?...
youtu.be/mB97Qe2D4V0?...
July 27, 2025 at 6:24 PM
Saddened by news of Tom Lehrer's passing. We remind ourselves of history's most effective criticism of quantitative sociology.
youtu.be/mB97Qe2D4V0?...
youtu.be/mB97Qe2D4V0?...
Reposted by Lars Leszczensky
All the keynote recordings are available now, enjoy! www.youtube.com/playlist?lis...
IC2S2'25 Norrköping - YouTube
This playlist contains all keynotes from IC2S2'25 in Norrköping, Sweden.
www.youtube.com
July 25, 2025 at 7:13 PM
Reposted by Lars Leszczensky
📱 NEW: Handbook of Social Network Analysis and Education edited by @ninakolleck.bsky.social
Read chapter 1 for FREE at: doi.org/10.4337/9781...
For more information, visit: www.e-elgar.com/shop/isbn/97...
#SocialNetworkAnalysis #Education #SocialMedia #BigData
Read chapter 1 for FREE at: doi.org/10.4337/9781...
For more information, visit: www.e-elgar.com/shop/isbn/97...
#SocialNetworkAnalysis #Education #SocialMedia #BigData
July 25, 2025 at 12:51 PM
📱 NEW: Handbook of Social Network Analysis and Education edited by @ninakolleck.bsky.social
Read chapter 1 for FREE at: doi.org/10.4337/9781...
For more information, visit: www.e-elgar.com/shop/isbn/97...
#SocialNetworkAnalysis #Education #SocialMedia #BigData
Read chapter 1 for FREE at: doi.org/10.4337/9781...
For more information, visit: www.e-elgar.com/shop/isbn/97...
#SocialNetworkAnalysis #Education #SocialMedia #BigData
Reposted by Lars Leszczensky
Finally got this banger of a title out: 𝑆𝑜𝑚𝑒𝑡𝑖𝑚𝑒𝑠, 𝑎 𝑑𝑒𝑠𝑐𝑟𝑖𝑝𝑡𝑖𝑣𝑒 𝑓𝑖𝑔𝑢𝑟𝑒 𝑖𝑠 𝑤𝑜𝑟𝑡ℎ 𝑚𝑜𝑟𝑒 𝑡ℎ𝑎𝑛 𝑎 𝑡ℎ𝑜𝑢𝑠𝑎𝑛𝑑 𝑚𝑜𝑑𝑒𝑙 𝑐𝑜𝑒𝑓𝑓𝑖𝑐𝑖𝑒𝑛𝑡𝑠.
If your descriptive figures and your model tell different stories, trust the figure. (And maybe rethink the model.)
👉 📄 www.tandfonline.com/doi/full/10....
If your descriptive figures and your model tell different stories, trust the figure. (And maybe rethink the model.)
👉 📄 www.tandfonline.com/doi/full/10....
Sometimes, a descriptive figure is worth more than a thousand model coefficients: the importance of data description in social research
Many social research questions aim at understanding relationships between different phenomena, and increasingly complex multivariate statistical models are often employed to address these questions...
www.tandfonline.com
July 24, 2025 at 4:42 PM
Finally got this banger of a title out: 𝑆𝑜𝑚𝑒𝑡𝑖𝑚𝑒𝑠, 𝑎 𝑑𝑒𝑠𝑐𝑟𝑖𝑝𝑡𝑖𝑣𝑒 𝑓𝑖𝑔𝑢𝑟𝑒 𝑖𝑠 𝑤𝑜𝑟𝑡ℎ 𝑚𝑜𝑟𝑒 𝑡ℎ𝑎𝑛 𝑎 𝑡ℎ𝑜𝑢𝑠𝑎𝑛𝑑 𝑚𝑜𝑑𝑒𝑙 𝑐𝑜𝑒𝑓𝑓𝑖𝑐𝑖𝑒𝑛𝑡𝑠.
If your descriptive figures and your model tell different stories, trust the figure. (And maybe rethink the model.)
👉 📄 www.tandfonline.com/doi/full/10....
If your descriptive figures and your model tell different stories, trust the figure. (And maybe rethink the model.)
👉 📄 www.tandfonline.com/doi/full/10....