The IOPS 2026 Winter Conference will take place on Wednesday 9 & Thursday 10 December 2026 at Tilburg University. So please save the date!
IOPS–SMiP Summer Conference 2026 – Flashback
The summer conference in Groningen proved to be inspirational for all attending members and staff of IOPS and SMiP.

The winner of the IOPS Best Poster presentation is Anouk Bouma (TiU), and of the IOPS Best Oral presentation is Franziska Rüffer (TiU). The winner of the IOPS Best Paper Award 2025 is Jesse Boot (UvA).
The SMiP Best Presentation Award went to Malin Müller (RPTU Landau), and SMiP Best Paper Award 2025-2026 went to Paul Kelber (University of Tübingen).
We congratulate all winners, and thank the conference committee at Groningen University for making this event successful!
For more information, see a brief flashback on our IOPS conference website.
Dissertation Marie Stadel
On 12 January 2026, Marie Stadel defended her thesis: ‘Capturing a person’s daily context – Integrating experience sampling and personal social network methodology‘ at Groningen University (RUG). Read more

Flashback: IOPS Winter Conference 2025
We look back on the conference in Utrecht being inspired with one another’s research and presentations, and exchanged ideas. For a brief recap of the conference, see our website.
Dissertation Sophie Berkhout
On September 19, 2025, Sophie Berkhout defended her thesis: Modeling Psychological Processes Over Time: Leveraging Theoretical Knowledge and Data Complexities at Utrecht University (UU). Read more

Summer Conference 2025 – Leiden University
We look back on an inspiring and enjoyable Summer Conference 2025 at Leiden University with interesting presentations, fruitful discussions and relaxed meetings.
We would like to thank the organising committee of Leiden University for all their efforts to make this IOPS conference a success!
For a flashback to the Summer Conference 2025, including pictures and programme, see Previous IOPS Conferences.

IOPS Winter Conference 2024 – CBS (The Hague)
We can look back at very interesting presentations and discussions at the IOPS 2024 Winter Conference at Statistics Netherlands (CBS). Thanks a lot for your active participation! We also would like to thank the local organisers from CBS for all their efforts to make this IOPS conference a success!
For more information and some impressions: see Previous IOPS Conferences.

Dissertation Qixiang Fang
On 6 December 2024 Qixiang Fang defended his thesis: Leveraging Measurement Theory for Natural Language Processing Research at Utrecht University (UU). Read more

Dissertation Anna Langener
On 5 September 2024 Anna Langener defended her thesis: From Data Streams to Mental Health Predictions: Improving the use of Passive Measures from Digital Devices at the University of Groningen (RUG). Read more

Dissertation Jeroen Mulder

On 7 June 2024 Jeroen Mulder defended his thesis: Structural Equation Modeling for Description, Prediction, and Causation at the university of Utrecht. Read more.
