We built the openESM database:
▶️60 openly available experience sampling datasets (16K+ participants, 740K+ obs.) in one place
▶️Harmonized (meta-)data, fully open-source software
▶️Filter & search all data, simply download via R/Python
Find out more:
🌐 openesmdata.org
📝 doi.org/10.31234/osf...
New preprint w/ the WARN-D team (incl. @eikofried.bsky.social @rayyantutunji.bsky.social, @aljoscharimpler.bsky.social & others): We explain our exploration of EMA items in data of ~600 individuals. We investigate distributions/changes over time/context/interindividual differences & more
Excited to share that my first PhD paper got published! We explored the effects of correctly vs. failing to model true interactions in data. Can model misspecification lead to reversed conclusions? Which model generalizes better to a larger sample?
Read the article here: doi.org/10.3758/s134...
Using (multilevel) VAR models? Ever checked how well they actually fit your data? @jmbh.bsky.social & I created VARcheck, an R package for visual model checking for VAR models.
Blogpost with workflow: bsiepe.github.io/blog/2026-05...
📝Paper: doi.org/10.31234/osf...
💻Docs: bsiepe.github.io/VARcheck/
Video
Interaction effects are very common in the psychological literature. However, interaction effects are typically very small and often fail to replicate. In this study, we conducted a simulation compari...