volume 11, issue 2, P275-282 2007
DOI: 10.1007/s10071-007-0111-6
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Abstract: Quantity discrimination is adaptive in a variety of ecological contexts and different taxa discriminate stimuli differing in numerousness, both in the wild and in laboratory settings. Quantity discrimination between object arrays has been suggested to be more demanding than between food arrays but, to our knowledge, the same paradigm has never been used to directly compare them. We investigated to what extent capuchin monkeys' relative numerousness judgments (RNJs) with food and token are alike. Tokens are inh…

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