期刊
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷 289, 期 1971, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rspb.2021.2686
关键词
rational monitoring; metacognitive monitoring; great apes; children; decision-making; information-seeking
Research has shown that great apes and 5-year-old children have the ability to keep track of the reasons for their decisions, while 3-year-old children do not. Additionally, apes are only sensitive to conflicting physical evidence, whereas 3-year-old children are more sensitive to peer disagreement.
Several species can detect when they are uncertain about what decision to make-revealed by opting out of the choice, or by seeking more information before deciding. However, we do not know whether any nonhuman animals recognize when they need more information to make a decision because new evidence contradicts an already-formed belief. Here, we explore this ability in great apes and human children. First, we show that after great apes saw new evidence contradicting their belief about which of two rewards was greater, they stopped to recheck the evidence for their belief before deciding. This indicates the ability to keep track of the reasons for their decisions, or 'rational monitoring' of the decision-making process. Children did the same at 5 years of age, but not at 3 years. In a second study, participants formed a belief about a reward's location, but then a social partner contradicted them, by picking the opposite location. This time even 3-year-old children rechecked the evidence, while apes ignored the disagreement. While apes were sensitive only to the conflict in physical evidence, the youngest children were more sensitive to peer disagreement than conflicting physical evidence.
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