Get-together in a brewery pub for networking.
Lecturer teaching and explaining a slide. Onsite and online participants listening.
The #GESISspringseminar 2026 on Advanced Regression Modeling wrapped up last Friday after 3 inspiring weeks of rich discussions, hands-on learning & meaningful connections.
Many thanks to all lecturers & participants – onsite and online – for making it such a success! 🌸
Welcome speech.
Two lecturers introducing themselves.
Online participants on the screen.
We kicked off the final week of the #GESISspringseminar on #SEM 🚀
Biggest challenge? Diagnosing estimation problems – often solved by checking degrees of freedom. Small insight, big impact. Looking forward to great conversations & networking at an authentic Kölsch brewery tomorrow!
Get-together brewery
potatoe fritters
Cologne Cathedral
Two books for Data Scientists
Last day of Week 2 at the #GESISspringseminar!
The week included a brewery meet-up – great food and even better conversations – along with hands-on sessions, new methods, and plenty of ideas to explore.
Best of luck applying your new skills to future projects – we’re excited for Week 3 on Monday!
GESIS main entrance in Cologne.
Two lecturers welcoming the participants onsite and online
Week 2 of the #GESISspringseminar is underway!
On today’s agenda: Foundations and Contingency Table Analysis 📊.
It may not look very spring-like outside, but plenty of ideas and skills are growing inside.
Welcome to all onsite and online participants!
Farewell speech
Get-together in a brewery pub
Traditional Cologne dish 'Rievkooche' (potato fritters)
Week 1 at the #GESISspringseminar is a wrap! 🤩
We wrapped up with consultations and helpful feedback – onsite and online. Thanks to our great lecturer and participants! 🙌 Also enjoyed good food at Tuesday’s get-together while staying focused throughout the course week.
Looking forward to Week 2!
Onsite and online participants at the Spring Seminar listening to the welcome speech.
🎉 Week 1 of #GESISspringseminar 2026 is here!
We’re diving into Multilevel & Longitudinal Modeling with lectures + hands-on software sessions.
A big welcome to everyone joining onsite or online – let’s make it an insightful week! 👋
Last chance to secure a spot! ⏰ Registration deadline ending soon ➡️ t1p.de/Intro-SEM26
Also a great course to prepare for the Week 3 course Advanced Problems in Structural Equation Modeling of the #GESISspringseminar: t1p.de/spring26-week3
GESIS Spring Seminar Advanced Problems in Structural Equation Modeling 23 to 27 March 2026 | Hybrid (Cologne or Online) Terrence D. Jorgensen, Suzanne Jak (both University of Amsterdam)
Want to apply SEM beyond the basics? 📐
#GESISspringseminar covers measurement invariance, multilevel & meta-analytic SEM, growth curves, and SEM with incomplete or categorical data.including.
Bring your own data for the hands-on R-labs using lavaan!
Info & registration ➡️ t1p.de/spring26-week3
GESIS Spring Seminar Advanced Modeling of Categorical Dependent Variables 16 to 20 March | Hybrid (Cologne or Online) Maria Kateri (RWTH Aachen) & Irini Moustaki (LSE London)
Working with categorical outcomes? 📊
#GESISspringseminar covers log-linear, logistic, ordinal, and other generalized linear models, plus multilevel and latent-variable approaches—with hands-on R labs using real data.
Info & registration ➡️ t1p.de/spring26-week2
GESIS Spring Seminar Advanced Problems in Multilevel and Longitudinal Modeling 09– 13 March 2026 | Hybrid (Cologne or Online) George Leckie (University of Bristol)
Want to unlock deeper insights from clustered data?
At our #GESISspringseminar, George Leckie @bristoluni.bsky.social teaches multilevel models for continuous & binary outcomes, with hands-on R/Stata practice in focused sessions. 🧩
Info & registration ➡️ t1p.de/spring26-week1
@gesis.org
GESIS Training News November 2025
Our November newsletter is out! 🌰🍁🎉
🔍 Check out our interview with Suzanne Jak & T. D. Jorgensen on #SEM
✨ Don’t miss updates on #GESISspringseminar, KODAQS, #GESISworkshops, and our look back at the #GESISfallseminar
👀 Enjoy the read: t1p.de/training-nl-...
@kodaqs.bsky.social
@gesis.org
GESIS Spring Seminar – Advanced Regression Modeling 09–27 March 2026 Cologne & Online
🚀 Level up your regression skills!
#GESISspringseminar 2026 – Advanced Regression Modeling
📅 09–27 March 2026
📍 GESIS Cologne | Online
Learn advanced techniques, gain insights from experts, and connect with researchers worldwide.
Info & Registration ➡️ gesis.org/springseminar & 🧵👇
GESIS Spring Seminar – Advanced Regression Modeling 09–27 March 2026 Cologne & Online
#GESISspringseminar 2026 – Advanced Regression Modeling
📅 09 – 27 March 2026
📍 GESIS Cologne | Online
Dive into advanced regression techniques, learn from international experts, and connect with researchers from all over the world.
👉 Register and find all details here: gesis.org/springseminar
Training News October 2025
📣 Our October newsletter is out! 🍂
🔍 Interview w/ @macartan.bsky.social & @alanjacobs.bsky.social
✨ Updates on #GESISworkshops & #GESISspringseminar, plus a look back at #GESISsummerschool
👀 Enjoy the read: t1p.de/training-nl-...
News June 2025
📣 Our June newsletter is out!
🔍 Interview w/ Lion Behrens on ML models + Call for Applications
📌 Updates on #GESISworkshops, #GESISsummerschool, #GESISfallseminar & #GESISspringseminar
👀 Read: t1p.de/training-nl-...
Group pic on the sunny roof top
Group pic with the Cologne Cathedral in the back
Networking entrance hall
Lunch break on the roof top
The #GESISspringseminar 2025 on Experimental Designs in the Social and Behavioral Scienceshas wrapped up after 3 fantastic weeks full of insightful discussions, hands-on learning & great networking.
A huge thanks to all lecturers & participants for making it such a success! 🌸
A group of six people sitting at a wooden table in a traditional-style restaurant, smiling and enjoying drinks. The room has warm lighting, decorative paintings, and classic wooden furnishings, creating a cozy atmosphere. Some participants are holding glasses, while others have bottled drinks on the table.
A group of seven people sitting at a wooden table in a traditional-style restaurant, smiling and enjoying drinks. The room has warm lighting, decorative paintings, and classic wooden furnishings, creating a cozy atmosphere. Some participants are holding glasses, while others have bottled drinks on the table.
A group of eleven people sitting at a wooden table in a traditional-style restaurant, smiling and enjoying drinks. The room has warm lighting, decorative paintings, and classic wooden furnishings, creating a cozy atmosphere. Some participants are holding glasses, while others have bottled drinks on the table.
A glass of the typical Cologne beer 'Kölsch' on a wooden table.
Day 3 of Week 3 at #GESISspringseminar!
After an amazing get-together last night—filled with great food and even better conversations—we hit the ground running in today’s course! Fully focused, fully energized, and ready to dive deeper into new insights.
Who else is feeling the seminar momentum?
Welcome lecturers
Introduction round of the participants
slide 'United we stand, divided we fall'.
Today, we kicked off the final week of the #GESISspringseminar in Cologne.
We're exploring Multifactorial Survey Experiments (MFSEs)—a powerful way to study decision-making, test theories & reduce bias. Excited for a week of insightful discussions and hands-on learning!
An image showing a participant presenting her project in a seminar room.
An image showing a participant presenting his project in a seminar room.
Day 5 of Week 2 at the #GESISspringseminar is complete! 🎉
We wrapped up the afternoon with insightful presentations and valuable feedback—both onsite and online, ensuring great integration for all participants.
A big thank you to our amazing lecturers & participants! 🙌
Lecturers with participants running a lab experiment using zTree.
Welcome intro in the lab at Uni of Cologne for running a lab experiment.
Day 4 of Week 2 at #GESISspringseminar – In Full Swing! 🌊
After a great dinner Tuesday, we visited the Cologne Laboratory for Economic Research (CLER) for a mock experiment, hands-on lab work with zTree, and a debrief on challenges. Excited for the final two days!
#EconResearch #Experimentation
Get-together at a brewery
Group picture on the roof top
Participant presenting his project
Participant presenting her project
Day 5 of Week 1 at the #GESISspringseminar is a wrap! 🎉
We had great presentations, engaging discussions, & delicious food at our get-together on Tuesday! Plus, we stayed focused in our courses and were treated to a surprise singing performance today. 🎶
Thank you to all lecturers & participants! 🙌
Lecturers Johanna Gereke & Nicole Schwitter opening the Spring Seminar 2025
Lecturers Johanna Gereke & Nicole Schwitter welcoming the participants of the Spring Seminar 2025 - Day 1
The #GESISspringseminar 2025 started yesterday! 🎉
In this first week, we’re diving into Field Experiments—with lectures, group work on case studies, self-learning sessions, and individual consultations on research projects.
Looking forward to our evening get-together in sunny Cologne! ☀️
GESIS Spring Seminar | Multifactorial Survey Experiments | Ulf Liebe (University of Warwick) & Jürgen Meyerhoff (Berlin School of Economics and Law) | 31 March - 04 April 2025 | Cologne
🎯 Want to master multifactorial survey experiments?
This #GESISspringseminar course covers design, implementation, and data analysis. Learn to create mulitfactorial surveys, build datasets, interpret models, and navigate challenges.
Book Now!
➡️ tinyurl.com/MultifacSurv...
GESIS Spring Seminar FIELD EXPERIMENTS 17 – 21 March 2025 | GESIS Cologne Johanna Gereke (University of Mannheim) Nicole Schwitter (University of Mannheim)
🔍 Interested in combining the potential of experiments for causal inference with the external validity of real-world contexts?
📊 Our #GESISspringseminar course on Field Experiments covers all stages from design and randomization to data analysis.
➡️ tinyurl.com/FieldExperim...
GESIS Training News December 2024
📣 As 2024 wraps up, check out our last newsletter of this year!
Highlights include #GESISfallseminar reflections 🌟, an interview with Johanna Gereke & @nschwitter.bsky.social on "Field Experiments" ( #GESISspringseminar), & key updates ( #GESISworkshops).
👀 Read here: t1p.de/training-nl-...
GESIS Spring Seminar 2025 Experimental Designs in the Social and Behavioral Sciences 17 March to 04 April GESIS Cologne
#GESISspringseminar 2025 - Experimental Designs in the Social and Behavioral Sciences
🗓️ 17 March – 04 April 2025
🏢 GESIS Cologne
Register and find all the details at gesis.org/springseminar — more info in the thread below 🧵👇
📣 Registration is Open!
The #GESISspringseminar 2025 offers 3 courses on
Experimental Designs in the Social and Behavioral Sciences
🗓️ 17 March – 04 April 2025
🏢 GESIS Cologne
Detailed course descriptions & registration at
🌐 www.gesis.org/springseminar
#methods #statistics #causality #sociology
