Babies are likely to pick up on ideas of fairness and unfairness 'by observing how people treat each other', Dr Sommerville said.
通过观察人们如何相处，婴儿会无意中获知公正与不公。
3
Dr Sommerville said: 'The infants expected an equal and fair distribution of food and they were surprised to see one person given more crackers or milk than the other.'