The key idea is that gravity is essentially a statistical effect.

其中最关键的观点是，重力是一种统计结果。

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With enough data, and by running enough statistical tests, it is easy enough to find a significant effect, given the probabilistic nature of the statistical methods used.

有了大量的数据，再加上运用大量不同的统计学检验方法，那么根据所使用的统计学方法的概率特性，你很容易就能发现一个重大结果。

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A cellphone's effect on the brain is very weak, so you lose statistical power with small sample sizes and durations, "said Volkow."

手机对大脑的影响很微弱，因此，仅在短期内对少数人进行研究，在统计学上不具备说服力。

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To sort out the confusion, Hashibe and her colleagues used statistical techniques to, in effect,make one big study out of the previous smaller studies.

VOA: standard.2010.06.30

Not surprisingly, the effect lost statistical significance at two years since active intervention lasted only 12 months.

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Women's work hours consistently increase divorce, whereas increases in men's work hours often have no statistical effect.

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The effect is to end the production of an annual volume called the Statistical Abstract, which any librarian will tell you is one of the most dog-eared research publications.

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