Nature and Nurture • Nature or heredity The transmission of characteristics from ancestors to their descendants by means of genes (what is “built into a person” from the beginning. • Nurture or environment The surroundings in which a person finds him/herself. These surroundings affect the development of the person. THE BIG QUESTION • WHICH PLAYS THE GREATER ROLE IN WHY A PERSON IS THE WAY THAT HE OR SHE IS— NATURE OR NURTURE? Scientific studies that support the nature side of the nature/nurture debate Identical twins separated at birth and reunited years later The Harvard shyness study The MAO study from the U. of California Scientific studies that support the nurture side of the nature/nurture debate • U. of Massachusetts unresponsive mother study • Harry Harlow’s rhesus monkey experiments • The Better Baby Institute Conclusions • Most scientific research says that BOTH nature and nurture play a significant role in who you are. • Researchers DISAGREE about which plays the greater role. • Part of which plays the greater role depends on the CONTENT of the nature and the CONTENT of the nurture.
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