Differing views - can chimpanzees do level 2 perspective-taking?

Katja Karg, Martin Schmelz, Josep Call, Michael Tomasello

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

Although chimpanzees understand what others may see, it is unclear if they understand how others see things (Level 2 perspective-taking). We investigated whether chimpanzees can predict the behavior of a conspecific which is holding a mistaken perspective that differs from their own. The subject competed with a conspecific over two food sticks. While the subject could see that both were the same size, to the competitor one appeared bigger than the other. In a previously established game, the competitor chose one stick in private first and the subject chose thereafter, without knowing which of the sticks was gone. Chimpanzees and 6-year-old children chose the ‘riskier’ stick (that looked bigger to the competitor) significantly less in the game than in a nonsocial control. Children chose randomly in the control, thus showing Level 2 perspective-taking skills; in contrast, chimpanzees had a preference for the ‘riskier’ stick here, rendering it possible that they attributed their own preference to the competitor to predict her choice. We thus run a follow-up in which chimpanzees did not have a preference in the control. Now they also chose randomly in the game. We conclude that chimpanzees solved the task by attributing their own preference to the other, while children truly understood the other’s mistaken perspective.
Original languageEnglish
Pages (from-to)555-564
JournalAnimal Cognition
Volume19
Issue number3
Early online date6 Feb 2016
DOIs
Publication statusPublished - May 2016

Keywords

  • Perspective taking
  • Appearance-reality
  • Deception
  • False belief
  • Chimpanzee

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