See Rosati et al., The Evolutionary Origins of Human Patience: Temporal Preferences in Chimpanzees, Bonobos, and Human Adults, Current Biology (2007). Similar to the marshmallow test.
See Rosati et al., The Evolutionary Origins of Human Patience: Temporal Preferences in Chimpanzees, Bonobos, and Human Adults, Current Biology (2007). Similar to the marshmallow test.