Scientists found that helping is not enhanced by rewards, suggesting that helping is not influenced by training. It also seems that helping is a natural inclination, not something imposed by parents or culture. More from that article;
"The somewhat surprising answer at which some biologists have arrived is that babies are innately sociable and helpful to others"..........."When infants 18 months old see an unrelated adult whose hands are full and who needs assistance opening a door or picking up a dropped clothespin, they will immediately help..." full read is here
