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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
Okamoto-Barth; Sanae; Call, Josep – Developmental Psychology, 2008
Finding hidden objects in space is a fundamental ability that has received considerable research attention from both a developmental and a comparative perspective. Tracking the rotational displacements of containers and hidden objects is a particularly challenging task. This study investigated the ability of 3-, 5-, 7-, and 9-year-old children and…
Descriptors: Object Permanence, Spatial Ability, Memory, Psychological Studies
