(Q51801336)
Statements
Delaying gratification for food and tokens in capuchin monkeys (Cebus apella) and chimpanzees (Pan troglodytes): when quantity is salient, symbolic stimuli do not improve performance. (English)
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T A Evans
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F Paglieri
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E Addessi
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21 March 2012
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15
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4
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539-548
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Identifiers
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