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Social Cruelty Is Largely Learned, Not Inherited


New Member
Nov 10, 2004
Children who ostracize or gossip about other kids have likely picked up that behavior from their peers, families or teachers, according to new study findings.

In a study of identical and fraternal 6-year-old twins, a group of Quebec researchers found that approximately 60 percent of children's physical aggression - biting, hitting or slapping another child - is inherited. In contrast, only 20 percent of social aggression - more subtle forms of cruelty, such as gossiping, or excluding another child - is fueled by a child's genetic makeup.

This suggests that most children who are socially cruel to other children have likely learned it from their environment, meaning the people around them, study author Dr. Mara Brendgen of the University of Quebec at Montreal told Reuters Health.

Brendgen added that the study also showed that physical aggression tends to lead to social aggression, but not the other way around, which helps explain why physical aggression often diminishes with age, while social aggression increases.

"We as a society are responsible for teaching children to switch their aggressive ways, instead of unlearning aggression," Brendgen said in an interview. "We have to get the message across that this is not acceptable," she added.

During the study, Brendgen and her colleagues interviewed the peers and teachers of 234 twins aged 6 years old about the children's tendencies towards physical and social aggression. Identical twins have exactly the same genetic makeup, Brendgen said, while fraternal twins share only half of the same genes. Both types of twins share the same environment, since they're raised together.

Given those circumstances, the researchers reasoned that if identical twins are more similar to each other than fraternal twins, those similarities are likely genetically driven. Based on the results, Brendgen and her team estimated what percentage of each behavior is driven by genetics. They report their findings in the journal Child Development.

Brendgen added that the findings also suggest that the same genes are fueling physical and social aggression, but both habits are triggered by different environmental factors. The identity of those genes and environmental factors, however, remains a mystery, she added. "That's the big question."

linky... http://www.nlm.nih.gov/medlineplus/news/fullstory_25767.html
hmmmm this is a tough one to comment on, but may I say this...

<div class='quotetop'>QUOTE </div>
60 percent of children's physical aggression - biting, hitting or slapping another child - is inherited

I hope you ladies aren't biting your fellas??? You know that your offspring will inherit this fettish!!