Rhesus macaque choices reveal that ambiguity aversion is driven by pessimistic probability estimates.
Willa G. Kerkhoff, William R. Stauffer
This study shows rhesus macaques exhibit ambiguity aversion due to inconsistent probability estimates, being overly pessimistic for large rewards and overly optimistic for small ones.
bioRxiv · Dec 18, 2025 · PreprintAnimal Behavior & Cognition