Establish population-level independence of the observed human convention pattern
Determine whether the convention-gap structure and indirect-reference excess observed in the two human Hanabi corpora generalize independently at the population level, rather than reflecting shared sampling or player-population effects.
References
Population-level independence is a different question and stays open.
— What and Where in Identifying and Quantifying Conventions in Humans and AI Agents
(2610.20205 - Fukushima et al., 14 Oct 2026) in Appendix, Section “Replication on the AH2AC2 corpus in full”