斯坦伯格和加德纳随机分配了一些参与者，让他们单独玩或者让两个同龄的同伴看着他们玩。
Steinberg and Gardner randomly assigned some participants to play alone or with two same-age peers looking on.
每组中的一个成员负责分配一笔钱给他自己和他的同伴。
One member of each pair was assigned an amount of money to distribute between him or herself and the partner.
研究人员发现，一般而言，第一个孩子将总数的45%分配给他的同伴，这个比例在不同的年龄组和性别中基本保持稳定。
On average, researchers found, the dictator gave 45% of the money to the partner, a proportion that remained constant across age-groups and gender.
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