Jeff Ziegler
@jeffreymziegler.bsky.social
Assistant Professor in Political Science & Data Science at Trinity College Dublin, Director of the Applied Social Data Science (ASDS) Programme.
Former Post-Doc at QTM Emory, WUSTL PhD. UW-Madison alum & native.
www.jeffreyziegler.org
Former Post-Doc at QTM Emory, WUSTL PhD. UW-Madison alum & native.
www.jeffreyziegler.org
Pinned
Jeff Ziegler
@jeffreymziegler.bsky.social
· Oct 22
Submit, submit! 🚨
Pleasant reminder to all, the 5th European PolMeth meeting will be 14-15 May 2026 at Trinity College Dublin 🇮🇪
Submissions close Nov. 15 ⚠️
You can find out more about the conference, including the submission form, here: polmeth.eu
If you have any questions, please contact me 😀
Pleasant reminder to all, the 5th European PolMeth meeting will be 14-15 May 2026 at Trinity College Dublin 🇮🇪
Submissions close Nov. 15 ⚠️
You can find out more about the conference, including the submission form, here: polmeth.eu
If you have any questions, please contact me 😀
Reposted by Jeff Ziegler
The new Comparative Constitutions Project website is now live! Developed by yours truly. We're also releasing version 5.0 of our Constitutional Chronology and Constitutional Characteristics datasets, updated through 2023. Explore and download: comparativeconstitutionsproject.org
Comparative Constitutions Project
Producing data about constitutions. Impacting the constitution-making process. Promoting peace, justice, and human development.
comparativeconstitutionsproject.org
November 20, 2025 at 4:34 PM
The new Comparative Constitutions Project website is now live! Developed by yours truly. We're also releasing version 5.0 of our Constitutional Chronology and Constitutional Characteristics datasets, updated through 2023. Explore and download: comparativeconstitutionsproject.org
Reposted by Jeff Ziegler
UCD Graduate Studies and I have produced a Research Group Handbook template for supervisors and researchers.
The template outlines core topics, resources, and policies that groups can adapt to their needs.
➡️ Template and details: www.ucd.ie/graduatestud...
@ucddublin.bsky.social
1/2
The template outlines core topics, resources, and policies that groups can adapt to their needs.
➡️ Template and details: www.ucd.ie/graduatestud...
@ucddublin.bsky.social
1/2
November 20, 2025 at 8:16 AM
UCD Graduate Studies and I have produced a Research Group Handbook template for supervisors and researchers.
The template outlines core topics, resources, and policies that groups can adapt to their needs.
➡️ Template and details: www.ucd.ie/graduatestud...
@ucddublin.bsky.social
1/2
The template outlines core topics, resources, and policies that groups can adapt to their needs.
➡️ Template and details: www.ucd.ie/graduatestud...
@ucddublin.bsky.social
1/2
⏰ ⏰ Final call! Submit your abstract for PolMeth - Europe 2026 by Nov 15th here: polmeth.eu.
Don’t miss the chance to share your research and connect with other world-class scholars ☺️
Don’t miss the chance to share your research and connect with other world-class scholars ☺️
November 14, 2025 at 10:49 AM
⏰ ⏰ Final call! Submit your abstract for PolMeth - Europe 2026 by Nov 15th here: polmeth.eu.
Don’t miss the chance to share your research and connect with other world-class scholars ☺️
Don’t miss the chance to share your research and connect with other world-class scholars ☺️
Reposted by Jeff Ziegler
testthat 3.3.0 out now! This is a massive release with tons of improvements including better failure messages, new expectations, improved snapshotting, new vignettes, and much much more: tidyverse.org/blog/2025/11... Post includes some thoughts on developing an #rstats package with Claude Code.
testthat 3.3.0
testthat 3.3.0 brings improved expectations with better error messages, new expectations for common testing patterns, and lifecycle changes including the removal of `local_mock()` and `with_mock()`. I...
tidyverse.org
November 13, 2025 at 5:24 PM
testthat 3.3.0 out now! This is a massive release with tons of improvements including better failure messages, new expectations, improved snapshotting, new vignettes, and much much more: tidyverse.org/blog/2025/11... Post includes some thoughts on developing an #rstats package with Claude Code.
Conference deadlines have habit of sneaking up. This is your friendly reminder that the call for applications is still open for PolMeth - Europe. Don’t let yourself suffer from FOMO, and come to Dublin this coming May!
Submit, submit! 🚨
Pleasant reminder to all, the 5th European PolMeth meeting will be 14-15 May 2026 at Trinity College Dublin 🇮🇪
Submissions close Nov. 15 ⚠️
You can find out more about the conference, including the submission form, here: polmeth.eu
If you have any questions, please contact me 😀
Pleasant reminder to all, the 5th European PolMeth meeting will be 14-15 May 2026 at Trinity College Dublin 🇮🇪
Submissions close Nov. 15 ⚠️
You can find out more about the conference, including the submission form, here: polmeth.eu
If you have any questions, please contact me 😀
November 12, 2025 at 1:27 PM
Conference deadlines have habit of sneaking up. This is your friendly reminder that the call for applications is still open for PolMeth - Europe. Don’t let yourself suffer from FOMO, and come to Dublin this coming May!
Reposted by Jeff Ziegler
🌎New @lseimpactblog.bsky.social: Nano-targeting or mass appeal, what makes persuasive climate communications?
Thomas Robinson, @miriamsorace.bsky.social @simonhix.bsky.social & @fresejoris.bsky.social explore how new tools make targeting individuals at scale with tailored communications possible
👉
Thomas Robinson, @miriamsorace.bsky.social @simonhix.bsky.social & @fresejoris.bsky.social explore how new tools make targeting individuals at scale with tailored communications possible
👉
Nano-targeting or mass appeal, what makes persuasive climate communications? - Impact of Social Sciences
Are nano-targeting tools capable of creating more persuasive climate communications, or broad appeal messages still the best way to move audiences on climate?
blogs.lse.ac.uk
November 10, 2025 at 11:20 AM
🌎New @lseimpactblog.bsky.social: Nano-targeting or mass appeal, what makes persuasive climate communications?
Thomas Robinson, @miriamsorace.bsky.social @simonhix.bsky.social & @fresejoris.bsky.social explore how new tools make targeting individuals at scale with tailored communications possible
👉
Thomas Robinson, @miriamsorace.bsky.social @simonhix.bsky.social & @fresejoris.bsky.social explore how new tools make targeting individuals at scale with tailored communications possible
👉
Reposted by Jeff Ziegler
"While testing one dimension at a time can yield simple results, those effects may not generalise to richer, real-world contexts."
Read our new POAL Methods Briefs on Conjoint Experiments from Thomas Robinson!
Link: www.poal.co.uk/research/met...
Read our new POAL Methods Briefs on Conjoint Experiments from Thomas Robinson!
Link: www.poal.co.uk/research/met...
Public Opinion Analytics Lab
The website of the Public Opinion Analytics Lab
www.poal.co.uk
November 10, 2025 at 8:47 AM
"While testing one dimension at a time can yield simple results, those effects may not generalise to richer, real-world contexts."
Read our new POAL Methods Briefs on Conjoint Experiments from Thomas Robinson!
Link: www.poal.co.uk/research/met...
Read our new POAL Methods Briefs on Conjoint Experiments from Thomas Robinson!
Link: www.poal.co.uk/research/met...
A little less than 2 weeks to submit an abstract proposal for PolMeth - Europe. Join us in Dublin this coming May to share your new political science research using cutting edge methods!!
Submit, submit! 🚨
Pleasant reminder to all, the 5th European PolMeth meeting will be 14-15 May 2026 at Trinity College Dublin 🇮🇪
Submissions close Nov. 15 ⚠️
You can find out more about the conference, including the submission form, here: polmeth.eu
If you have any questions, please contact me 😀
Pleasant reminder to all, the 5th European PolMeth meeting will be 14-15 May 2026 at Trinity College Dublin 🇮🇪
Submissions close Nov. 15 ⚠️
You can find out more about the conference, including the submission form, here: polmeth.eu
If you have any questions, please contact me 😀
November 4, 2025 at 11:49 AM
A little less than 2 weeks to submit an abstract proposal for PolMeth - Europe. Join us in Dublin this coming May to share your new political science research using cutting edge methods!!
I cannot stress this enough to my own students, you cannot outsource your own learning!!
Wrote up a little intervention post/explanation for my class about why using LLMs for trying to learn programming (as first time learners!) is bad and detrimental datavizf25.classes.andrewheiss.com/news/2025-11...
November 2, 2025 at 11:25 PM
I cannot stress this enough to my own students, you cannot outsource your own learning!!
Reposted by Jeff Ziegler
October 28, 2025 at 11:34 AM
Submit, submit! 🚨
Pleasant reminder to all, the 5th European PolMeth meeting will be 14-15 May 2026 at Trinity College Dublin 🇮🇪
Submissions close Nov. 15 ⚠️
You can find out more about the conference, including the submission form, here: polmeth.eu
If you have any questions, please contact me 😀
Pleasant reminder to all, the 5th European PolMeth meeting will be 14-15 May 2026 at Trinity College Dublin 🇮🇪
Submissions close Nov. 15 ⚠️
You can find out more about the conference, including the submission form, here: polmeth.eu
If you have any questions, please contact me 😀
October 22, 2025 at 12:24 PM
Submit, submit! 🚨
Pleasant reminder to all, the 5th European PolMeth meeting will be 14-15 May 2026 at Trinity College Dublin 🇮🇪
Submissions close Nov. 15 ⚠️
You can find out more about the conference, including the submission form, here: polmeth.eu
If you have any questions, please contact me 😀
Pleasant reminder to all, the 5th European PolMeth meeting will be 14-15 May 2026 at Trinity College Dublin 🇮🇪
Submissions close Nov. 15 ⚠️
You can find out more about the conference, including the submission form, here: polmeth.eu
If you have any questions, please contact me 😀
Reposted by Jeff Ziegler
Not long left to apply for our Assistant Professor in Computational Social Science vacancy❗
📚 jobs.lse.ac.uk/Vacancies/W/...
Apply before 26 October and join an internationally outstanding group of social science methodologists 🌎
📚 jobs.lse.ac.uk/Vacancies/W/...
Apply before 26 October and join an internationally outstanding group of social science methodologists 🌎
October 9, 2025 at 3:04 PM
Not long left to apply for our Assistant Professor in Computational Social Science vacancy❗
📚 jobs.lse.ac.uk/Vacancies/W/...
Apply before 26 October and join an internationally outstanding group of social science methodologists 🌎
📚 jobs.lse.ac.uk/Vacancies/W/...
Apply before 26 October and join an internationally outstanding group of social science methodologists 🌎
Reposted by Jeff Ziegler
Every academic career is built on rejection, but we don’t show it.
CVs list publications, grants & awards, not rejected manuscripts, unfunded proposals, or failures.
But those invisible rejections shape us more than our successes ever do.
👉 catherineeunicedevries.substack.com/p/fail-bette...
🧵
CVs list publications, grants & awards, not rejected manuscripts, unfunded proposals, or failures.
But those invisible rejections shape us more than our successes ever do.
👉 catherineeunicedevries.substack.com/p/fail-bette...
🧵
Fail Better: Why Your Rejections Will Shape You More Than Your Publications
The Art of Learning from Rejection
catherineeunicedevries.substack.com
October 14, 2025 at 8:52 AM
Every academic career is built on rejection, but we don’t show it.
CVs list publications, grants & awards, not rejected manuscripts, unfunded proposals, or failures.
But those invisible rejections shape us more than our successes ever do.
👉 catherineeunicedevries.substack.com/p/fail-bette...
🧵
CVs list publications, grants & awards, not rejected manuscripts, unfunded proposals, or failures.
But those invisible rejections shape us more than our successes ever do.
👉 catherineeunicedevries.substack.com/p/fail-bette...
🧵
Reposted by Jeff Ziegler
#OpenAccess from August 2025 -
Not Getting the Message on Climate? Attention as a Key Barrier to Mass-Marketing Experimentally-Validated Messages - cup.org/3HgDIJ9
- Nicholas Carnes & Geoffrey L. Henderson
#ClimateChange
Not Getting the Message on Climate? Attention as a Key Barrier to Mass-Marketing Experimentally-Validated Messages - cup.org/3HgDIJ9
- Nicholas Carnes & Geoffrey L. Henderson
#ClimateChange
October 13, 2025 at 2:00 PM
#OpenAccess from August 2025 -
Not Getting the Message on Climate? Attention as a Key Barrier to Mass-Marketing Experimentally-Validated Messages - cup.org/3HgDIJ9
- Nicholas Carnes & Geoffrey L. Henderson
#ClimateChange
Not Getting the Message on Climate? Attention as a Key Barrier to Mass-Marketing Experimentally-Validated Messages - cup.org/3HgDIJ9
- Nicholas Carnes & Geoffrey L. Henderson
#ClimateChange
Reposted by Jeff Ziegler
🚀 And this marks our launch of the CampAIgn Tracker 🇳🇱!
@meinungsfuehrer.bsky.social and I are glad to finally publish our dashboard where we monitor the use of AI imagery in campaign messages, by parties, politicians & other actors during the election #tk2025
See here
www.campaigntracker.nl/en/
@meinungsfuehrer.bsky.social and I are glad to finally publish our dashboard where we monitor the use of AI imagery in campaign messages, by parties, politicians & other actors during the election #tk2025
See here
www.campaigntracker.nl/en/
October 11, 2025 at 8:39 AM
🚀 And this marks our launch of the CampAIgn Tracker 🇳🇱!
@meinungsfuehrer.bsky.social and I are glad to finally publish our dashboard where we monitor the use of AI imagery in campaign messages, by parties, politicians & other actors during the election #tk2025
See here
www.campaigntracker.nl/en/
@meinungsfuehrer.bsky.social and I are glad to finally publish our dashboard where we monitor the use of AI imagery in campaign messages, by parties, politicians & other actors during the election #tk2025
See here
www.campaigntracker.nl/en/
Reposted by Jeff Ziegler
New data for legislative scholars! Committee Membership Dataset with @bcastanho.bsky.social, @dmpullan.bsky.social and Firuze Taner:
Committee assignments for all MPs (Wikidata IDs!) in 14 countries
Harmonized roles/policy areas
Data: doi.org/10.7802/2940
Working paper: tinyurl.com/vf54r78p
⬇️
Committee assignments for all MPs (Wikidata IDs!) in 14 countries
Harmonized roles/policy areas
Data: doi.org/10.7802/2940
Working paper: tinyurl.com/vf54r78p
⬇️
GESIS-Suche
doi.org
October 8, 2025 at 12:58 PM
New data for legislative scholars! Committee Membership Dataset with @bcastanho.bsky.social, @dmpullan.bsky.social and Firuze Taner:
Committee assignments for all MPs (Wikidata IDs!) in 14 countries
Harmonized roles/policy areas
Data: doi.org/10.7802/2940
Working paper: tinyurl.com/vf54r78p
⬇️
Committee assignments for all MPs (Wikidata IDs!) in 14 countries
Harmonized roles/policy areas
Data: doi.org/10.7802/2940
Working paper: tinyurl.com/vf54r78p
⬇️
Reposted by Jeff Ziegler
New jobs for computational social scientists at UNC and USC: unc.peopleadmin.com/postings/307... amd uscjobs.sc.edu/postings/194...
Assistant Professor
This Assistant Professor position will teach graduate and undergraduate courses, conduct research in the field of Sociology, participate in departmental service, and mentor graduate students.
unc.peopleadmin.com
October 7, 2025 at 10:32 PM
New jobs for computational social scientists at UNC and USC: unc.peopleadmin.com/postings/307... amd uscjobs.sc.edu/postings/194...
Reposted by Jeff Ziegler
How common are “survey professionals” - people who take dozens of online surveys for pay - across online panels, and do they harm data quality?
Our paper, FirstView at @politicalanalysis.bsky.social, tackles this question using browsing data from three U.S. samples (Facebook, YouGov, and Lucid):
Our paper, FirstView at @politicalanalysis.bsky.social, tackles this question using browsing data from three U.S. samples (Facebook, YouGov, and Lucid):
October 7, 2025 at 6:49 PM
How common are “survey professionals” - people who take dozens of online surveys for pay - across online panels, and do they harm data quality?
Our paper, FirstView at @politicalanalysis.bsky.social, tackles this question using browsing data from three U.S. samples (Facebook, YouGov, and Lucid):
Our paper, FirstView at @politicalanalysis.bsky.social, tackles this question using browsing data from three U.S. samples (Facebook, YouGov, and Lucid):
Reposted by Jeff Ziegler
Time for an explainer on how to get funding for a PhD in the UK (1/n)
October 1, 2025 at 7:59 AM
Time for an explainer on how to get funding for a PhD in the UK (1/n)
Reposted by Jeff Ziegler
Can large language models stand in for human participants?
Many social scientists seem to think so, and are already using "silicon samples" in research.
One problem: depending on the analytic decisions made, you can basically get these samples to show any effect you want.
THREAD 🧵
Many social scientists seem to think so, and are already using "silicon samples" in research.
One problem: depending on the analytic decisions made, you can basically get these samples to show any effect you want.
THREAD 🧵
The threat of analytic flexibility in using large language models to simulate human data: A call to attention
Social scientists are now using large language models to create "silicon samples" - synthetic datasets intended to stand in for human respondents, aimed at revolutionising human subjects research. How...
arxiv.org
September 18, 2025 at 7:56 AM
Can large language models stand in for human participants?
Many social scientists seem to think so, and are already using "silicon samples" in research.
One problem: depending on the analytic decisions made, you can basically get these samples to show any effect you want.
THREAD 🧵
Many social scientists seem to think so, and are already using "silicon samples" in research.
One problem: depending on the analytic decisions made, you can basically get these samples to show any effect you want.
THREAD 🧵
Reposted by Jeff Ziegler
It's academic job market season. I’ve written a reflection with some potentially helpful tips: jaeyk.github.io/essays/job_m...
What I Wish I Knew Before the Academic Job Market – Hello, I’m Jae.
jaeyk.github.io
September 17, 2025 at 3:20 PM
It's academic job market season. I’ve written a reflection with some potentially helpful tips: jaeyk.github.io/essays/job_m...
Reposted by Jeff Ziegler
📢 Call for Papers for EPSS 2026 conference in Belfast is out: epssnet.org/belfast-2026...
Starting today, we'll feature two sections each week to provide more information about the conference.
🔝 This week: Electoral + Voting Behaviour & Climate Politics
▶️ Electoral + Voting Behaviour
🧵
Starting today, we'll feature two sections each week to provide more information about the conference.
🔝 This week: Electoral + Voting Behaviour & Climate Politics
▶️ Electoral + Voting Behaviour
🧵
Call for Papers | EPSS Belfast 2026 Conference
Submit your abstract or full paper for EPSS Belfast 2026. Share cutting‑edge political science research, network with peers & contribute to academic impact.
epssnet.org
September 18, 2025 at 8:49 AM
📢 Call for Papers for EPSS 2026 conference in Belfast is out: epssnet.org/belfast-2026...
Starting today, we'll feature two sections each week to provide more information about the conference.
🔝 This week: Electoral + Voting Behaviour & Climate Politics
▶️ Electoral + Voting Behaviour
🧵
Starting today, we'll feature two sections each week to provide more information about the conference.
🔝 This week: Electoral + Voting Behaviour & Climate Politics
▶️ Electoral + Voting Behaviour
🧵
Reposted by Jeff Ziegler
Whoa—my book is up for pre-order!
𝐌𝐨𝐝𝐞𝐥 𝐭𝐨 𝐌𝐞𝐚𝐧𝐢𝐧𝐠: 𝐇𝐨𝐰 𝐭𝐨 𝐈𝐧𝐭𝐞𝐫𝐩𝐫𝐞𝐭 𝐒𝐭𝐚𝐭 & 𝐌𝐋 𝐌𝐨𝐝𝐞𝐥𝐬 𝐢𝐧 #Rstats 𝐚𝐧𝐝 #PyData
The book presents an ultra-simple and powerful workflow to make sense of ± any model you fit
The web version will stay free forever and my proceeds go to charity.
tinyurl.com/4fk56fc8
𝐌𝐨𝐝𝐞𝐥 𝐭𝐨 𝐌𝐞𝐚𝐧𝐢𝐧𝐠: 𝐇𝐨𝐰 𝐭𝐨 𝐈𝐧𝐭𝐞𝐫𝐩𝐫𝐞𝐭 𝐒𝐭𝐚𝐭 & 𝐌𝐋 𝐌𝐨𝐝𝐞𝐥𝐬 𝐢𝐧 #Rstats 𝐚𝐧𝐝 #PyData
The book presents an ultra-simple and powerful workflow to make sense of ± any model you fit
The web version will stay free forever and my proceeds go to charity.
tinyurl.com/4fk56fc8
September 17, 2025 at 7:49 PM
Whoa—my book is up for pre-order!
𝐌𝐨𝐝𝐞𝐥 𝐭𝐨 𝐌𝐞𝐚𝐧𝐢𝐧𝐠: 𝐇𝐨𝐰 𝐭𝐨 𝐈𝐧𝐭𝐞𝐫𝐩𝐫𝐞𝐭 𝐒𝐭𝐚𝐭 & 𝐌𝐋 𝐌𝐨𝐝𝐞𝐥𝐬 𝐢𝐧 #Rstats 𝐚𝐧𝐝 #PyData
The book presents an ultra-simple and powerful workflow to make sense of ± any model you fit
The web version will stay free forever and my proceeds go to charity.
tinyurl.com/4fk56fc8
𝐌𝐨𝐝𝐞𝐥 𝐭𝐨 𝐌𝐞𝐚𝐧𝐢𝐧𝐠: 𝐇𝐨𝐰 𝐭𝐨 𝐈𝐧𝐭𝐞𝐫𝐩𝐫𝐞𝐭 𝐒𝐭𝐚𝐭 & 𝐌𝐋 𝐌𝐨𝐝𝐞𝐥𝐬 𝐢𝐧 #Rstats 𝐚𝐧𝐝 #PyData
The book presents an ultra-simple and powerful workflow to make sense of ± any model you fit
The web version will stay free forever and my proceeds go to charity.
tinyurl.com/4fk56fc8
Reposted by Jeff Ziegler
New 'Metrics Note! "One weird trick" to characterize compliers / the effective population underlying design-based OLS & IV specifications
Check it out: www.dropbox.com/scl/fi/lgba6...
Check it out: www.dropbox.com/scl/fi/lgba6...
September 3, 2025 at 6:14 PM
New 'Metrics Note! "One weird trick" to characterize compliers / the effective population underlying design-based OLS & IV specifications
Check it out: www.dropbox.com/scl/fi/lgba6...
Check it out: www.dropbox.com/scl/fi/lgba6...