Tuesday, December 19, 2017

Preschool children and chimpanzees prefer to pay to watch punishment of antisocial other, instead of saving effort or money and stop watching

Preschool children and chimpanzees incur costs to watch punishment of antisocial others. Natacha Mendes, Nikolaus Steinbeis, Nereida Bueno-Guerra, Josep Call & Tania Singer. Nature Human Behaviour (2017). doi:10.1038/s41562-017-0264-5

Abstract: When misfortune befalls another, humans may feel distress, leading to a motivation to escape. When such misfortune is perceived as justified, however, it may be experienced as rewarding and lead to motivation to witness the misfortune. We explored when in human ontogeny such a motivation emerges and whether the motivation is shared by chimpanzees. Chimpanzees and four- to six-year-old children learned through direct interaction that an agent was either prosocial or antisocial and later saw each agent’s punishment. They were given the option to invest physical effort (chimpanzees) or monetary units (children) to continue watching. Chimpanzees and six-year-olds showed a preference for watching punishment of the antisocial agent. An additional control experiment in chimpanzees suggests that these results cannot be attributed to more generic factors such as scene coherence or informational value seeking. This indicates that both six-year-olds and chimpanzees have a motivation to watch deserved punishment enacted.

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