The researchers compared eight boys ages 16 to 18 with aggressive conduct disorder to a group of eight adolescent boys with no unusual signs of aggression.
研究者们比较了8名16 - 18岁的带有侵略性青年,并且随机将其加进了8名没有侵略倾向的男孩儿。
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In the study, the researchers compared eight 16 - to 18-year-old boys who were unusually aggressive to a control group of adolescent boys with no unusual signs of aggression.