Exploring the relative contributions of reward-history and functionality information to children's acquisition of the Aesop's fable task

PloS One
Elsa LoisselNicola S Clayton

Abstract

Investigation of tool-using behaviours has long been a means by which to explore causal reasoning in children and nonhuman animals. Much of the recent research has focused on the "Aesop's Fable" paradigm, in which objects must be dropped into water to bring a floating reward within reach. An underlying problem with these, as with many causal reasoning studies, is that functionality information and reward history are confounded: a tool that is functionally useful is also rewarded, while a tool that is not functionally useful is not rewarded. It is therefore not possible to distinguish between behaviours motivated by functional understanding of the properties of the objects involved, and those influenced by reward-history. Here, we devised an adapted version of the Aesop's Fable paradigm which decouples functionality information and reward history by making use of situations in which the use of a particular tool should have enabled a subject to obtain (or not obtain) a reward, but the outcome was affected by the context. Children aged 4-11 were given experience of a range of tools that varied independently in whether they were functional or non-functional and rewarded or non-rewarded. They were then given the opportunity to choos...Continue Reading

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Citations

Jan 6, 2021·Annual Review of Psychology·Kevin Laland, Amanda Seed

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Aesop

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