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Direct linkKrachun, Carla; Call, Josep; Tomasello, Michael – Cognition, 2009
A milestone in human development is coming to recognize that how something looks is not necessarily how it is. We tested appearance-reality understanding in chimpanzees ("Pan troglodytes") with a task requiring them to choose between a small grape and a big grape. The apparent relative size of the grapes was reversed using magnifying and…
Descriptors: Preschool Children, Animals, Primatology, Cognitive Ability
