The Nature and Nurture of Behavior
JonBenet Parotti and Jasmine Lytle
Twin studies
Identical twins - Are twins who developed from a single fertilized egg that splits into two, and are genetically identical.
- There are identical twins in this world that has been separated at birth and then years later unexpectedly met there twin. Shockingly they have a lot of similar qualities that was not a biological factor. It was more of a environmental thing.
- For example a mad scientist split up identical twins at birth then rear them in different types of environmental settings. They grew up with a different type of lifestyles, including health wise. despite 38 years of being separated there virtually alike.
Identical Twins Separated at Birth
Adoptive studies
- Adoptees' traits bear more similarities to their biological parents then their caregiving adoptive parents.
- Some adopted children act differently according to their environmental influences.
- Although the adopted children do not resemble their adopted parents the parents still influences the child attitudes, values, and morals.
- 7 in 8 report feeling strongly attached to one or more adopted parent becoming more happier and more stable in that family
Cultural influences on development
Culture- the enduring behaviors, ideas, attitudes, values, and traditions shared by a group of people and transmitted from one generation to the next.
- we differ from other cultures in things such as: our language , our sports, what side of the road we drive on and many other things.
- But we also have a huge similarity our capacity for culture.
- Within all cultures we exchange money for things, to eat, to play and so on.
- We differ in cultures also by how we raise our children and bury our dead.
- many south Asians and the British have norms
- For example south Asians only eat with their right hand fingers. The British have a norm for how they stand in a lines
- Different cultures react differently to personal space. In some places the people there prefer more personal space then others.
Gender issues/ Gender rules
Aggression- physical or verbal behavior intended to hurt someone.
- Men have more aggression then woman as the result of a survey taken on males and females. An experiment taken conformed that men behave more aggressively the woman.
- Around the world people perceive men as more dominant, forceful, and independent.
- women as more deferential, nurturant, and affiliative.
- from your mother you receive an X chromosome and from your father either an X chromosome making you a girl or a Y chromosome making you a boy.
- the X chromosome is found in both male and female
- the Y chromosome is found only in males
- the Y chromosome includes a single gene that throws a master switch triggering the testes to produce the principle male hormone testosterone
Peer Influences on development
- At all ages we seek to establish ourselves and be accepted in society. Children have a significant influence on their everyday behaviors in order to fit in.
- diets, accents and habits can a be altered in order to feel accepted in the society that a person may be in.
- Although parents are important role models, beyond their control peers are very influential in changing a person attitudes and interactions with people, and wanting popularity