Xie et al. 2026

Evaluating the statistical realism of LLM-generated social science data (SSDataBench). Xie, Y., et al. (2026). PNAS 123(19):e2538145123.

Relationship to this project — Statistical-realism foil

Benchmarks 15 LLMs and finds sparse conditioning compresses heterogeneity into typological structures and exaggerates associations. This project connects an analogous concentration pattern (empirical corner concentration in a persona panel) to weak comparative-static response in a preregistered strategic game.