如果削减赤字加剧了这些偏见，更多的美国人可能会选择不生孩子或少生孩子。

If deficit reduction aggravates these biases, more Americans may choose not to have children or to have fewer children.

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早期的研究表明，年龄在5到7岁之间的在校儿童在选择乐器方面没有偏见，但他们的喜好在8到10岁之间变得更加清晰。

Earlier studies indicated that very young school children aged between 5 and 7 showed no bias in choosing musical instruments, but their tastes become more clear between the ages of 8 and 10.

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一个问题被统计学家称作选择偏见。

One problem was what statisticians call selection bias.

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