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磨炼多，社会适应性强美国的乔治·E·范伦从40年代起进行了一项艰巨的研究，他跟踪研究了400多名男孩，这其中有不少人生长在较困难的家庭中。范伦在这些孩子长到25岁、31岁、47岁时，对他们进行跟踪采访，并给予评分。结果发现：那些在儿童时代干活多、活动程度高、经受过一
Tempered and Socially Adaptable George E. Van Frynn of the United States conducted a daunting study since the 1940s. He followed more than 400 boys, many of whom grew up in more difficult families. Faren interviewed and rated them when they were 25, 31 and 47. The results showed that: those who worked more in childhood, high degree of activity, had a