Decisions-from-Experience Database (DfE-DB)

Yujia Yang, Mikhail Spektor, Anna I. Thoma, Ralph Hertwig, & Dirk U. Wulff

🚨 The data is currently made available to data providers and will be shared openly upon article acceptance.

If you use our database in your research, please cite as:

Yang, Y., Spektor, M. S., Thoma, A., Hertwig, R., & Wulff, D. U. (2025). DfE-DB: A systematic database of 3.8 million human decisions across multiple experience-based tasks. bioRxiv. https://doi.org/10.64898/2025.12.12.693971

Learning from experience is central to human decision making, but progress is limited by heterogeneous task designs and fragmented data formats that hinder systematic comparison across studies. We introduce the Decisions From Experience Database (DfE-DB), a structured, open-access resource comprising 3.8 million trial-level decisions from 11,921 participants across 168 studies and 13 paradigms. By harmonizing raw behavioral data and classifying studies along 13 key design features, the DfE-DB enables quantitative comparisons previously obscured by heterogeneous task and data structures. Using the database, we…