Emotion as a causal variable: AffectWorld scores five world models, and counterfactual sensitivity tops out at 0.070
AffectWorld evaluates world models with emotion treated as a causal variable driving future world change, and five state-of-the-art models reach only 0.100–0.280 on world-state change and 0.027–0.070 on counterfactual emotion sensitivity across 1,498 everyday videos.