Rhesus monkeys (Macaca mulatta) succeed on a computerized test designed to assess conservation of discrete quantity

@article{Beran2006RhesusM,
  title={Rhesus monkeys (Macaca mulatta) succeed on a computerized test designed to assess conservation of discrete quantity},
  author={Michael Beran},
  journal={Animal Cognition},
  year={2006},
  volume={10},
  pages={37-45}
}
Conservation of quantity occurs through recognition that changes in the physical arrangement of a set of items do not change the quantity of items in that set. Rhesus monkeys (Macaca mulatta) were presented with a computerized quantity judgment task. Monkeys were rewarded for selecting the greater quantity of items in one of two horizontal arrays of items on the screen. On some trials, after a correct selection, no reward was given but one of the arrays was manipulated. In some cases, this… CONTINUE READING

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