A simple reciprocal task elicited high levels of altruism in 1- and 2-y-old young ones, whereas friendly but nonreciprocal task yielded altruism that is little subsequent. In a moment study, reciprocity with one adult led 1- and 2-y-olds to supply make it possible to a brand new individual.

A simple reciprocal task elicited high levels of altruism in 1- and 2-y-old young ones, whereas friendly but nonreciprocal task yielded altruism that is little subsequent. In a moment study, reciprocity with one adult led 1- and 2-y-olds to supply Read More …