Domain generality is an emergent, not inherent, property of metacognition
Darko Odic
Nature Human Behaviour, Published online: 05 May 2026; doi:10.1038/s41562-026-02443-2 Adults show a shared bias in confidence across memory and perception, but sensitivity and efficiency differ by domain. Children under six struggle to compare confidence across domains, whereas older children can, marking a developmental shift towards domain-general metacognition.