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The nature nurture dichotomy is a theme always present in many areas of psychology. But is it right to talk about it as a dichotomy? ,

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The nature nurture dichotomy is a theme always present in many areas of psychology. But is it right to talk about it as a dichotomy? , Certainly not. To say so would be like stating that they never act together, that they are contradictory and exclusive one from each other. Biological and environmental explanations of human behaviour do not need to be contradictive; the biological factors work inside of an environmental context, and this context is formed upon a biological base, that is why nature and nurture can not be a dichotomy. But what does nature and nurture mean in psychology? Nature is everything determined in our genes by heritage; in one person half of these genes come from the mother and the other half from the father, and each individual with the exception of his or her identical twin has a unique genetic profile. This profile is the starting point, the biological base for the development of one person's character, personality or behaviour. ...read more.


It would be then impossible for these genetic influences to operate if they wouldn't act inside an environment. Another empirical approach to research biological bases of personality is the study of temperament in longitudional studies starting very early in the life of babies. Two main temperaments were studied; cautioness and boldness (Kagan 1994). The reason to start these studies so early is the fact that is always hard to distinguish when is biology or environment affecting the temperament , so starting so early with very young babies the influence of the environmental factor is minimized. The consistency of temperament seemed to be relevant through childhood and adult life . But again it is not so sure that this is just due to biological causes. Factors of environment can also influence an individual to believe that he /she is in one way or the other because of heritage and this starts since the very early education. ...read more.


Probably the most influential research developed in the late 20th century has focused on twins who were separated at birth. In studying such pairs psychologists can be relatively certain that any behaviour the twins share has a genetic component and those behaviours that are different have environmental causes, even when these environment has been equally shared by the twins. These differences show that the stimulus and influences from the outside can be perceived in different ways and in the same way each individual acts over and modify their environment creating his own , existing an interaction that works in two directions. It is clear then that there is not such a thing as nature nurture "dichotomy". In this area of personality and its causes, genetic and environmental factors are both necessary and interactive to have a result in a person's behaviour. Although biological explanations have been found to play a big role in personality they can't explain on their own the complex development of personality. The effects of nature and nurture on personality and all the other psychological processes are joint and can not be separate. ...read more.

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