Do you think personality traits are primarily inherited or influenced by environment?  and why do you think that nature versus nurture is debated? Do you think personality traits are primarily inherited or influenced by environment?  and why do you think that nature versus nurture is debated?

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Personality is caused by a combination of heredity and enivonrment. The nature-nurture debate is about which one has more influence. The truth is that it depends on the person. Some people will have more influential environments or are more influenced by their environment. Of course, it also depends on the gene. Some genes do affect personality, such as is the case for Down's Syndrome.
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It is a mixture, no doubt about it, but I believe environment has more influence over time.  Take identical twins and drop one in Riyadh, Saudi Arabia as an infant living with a foreign family and leave the other one in the states.  You'll see a lot of things develop differently, including personality.

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There is no doubt that one’s personality is a mixture of nature and nurture. Science has proven that. Which is dominant has still to be proven. What we cannot ignore, however, is that some of our personality is inherent. It is with us from birth.

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Personality traits are both inherited and learned. I do think that aspects of personality such as humor, temper, shyness, etc. are primarily learned. This all goes back to learned behavior and modeling. As children we see adults acting a certain way and we model that behavior. However, there have been numerous studies conducted on twins. These twins were not raised together but instead raised in different homes in different areas of the country. These twins did show striking similarities in personality which suggests that genes may be responsible for personality.

The possibility of a "gay" gene is one of the reasons that the nature vs. nurture theory is being debated right now. This pertains to the "nature" theory and some suggest that sexual orientation is genetically linked. Others will say just the opposite-that it is learned.

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In my opinion, this question is debated for a simple reason -- it is because it can never be answered.

In my opinion, personality traits are strongly influenced by both of these things.  There is no way that people are not influenced by their genes, but there are strong influences that come from one's surroundings.

Anyone who has more than one child should know that genes matter.  One of my kids is naturally angrier than the other.  At the same time, they have, by growing up together, rubbed off on each other and have also been influenced, I think, by our parenting.

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I think that the debate is so strong between nature and nurture because of what is at stake in the discourse.  If the code can be cracked as to what plays a larger role in how humans grow and mature, then I think that much can be designed to help develop human behavior.  From an educational point of view, the implications are drastic in that individuals can end up predicting how students can fare based on data in each.  I think that there is enough research to explain how both factors can play a strong role in how personality traits are formed.  I think that the danger might be in attempting to ignore the importance of both domains in personality and identity formation.

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Nature and nurture are debated because not one comes above the other in terms of human development. Cognitive psychologists adhere to nature as the main source of human personality traits such as genetics. Behavioral psychologists on the contrary believe that social learning is key to human personality traits.

The fact is that not one method is the be-all end all. Surely there is a lot of both, nature and nurture, to make a whole individual. An example that always comes to mind is serial killer Jeffrey Dahmner: His childhood was reportedly quite normal. His parents are healthy, and his Dad even had a PhD while his mom worked at a church.

There was nothing abusive nor abnormal about his upbringing except for one stint at the hospital for some normal childhood illness. Right after that he began his withdrawn and strange behavior. And then he became the monster that he was. Since his brain was conserved for further studies, maybe in the future we may know what causes humans to be one way or another.

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