If individuals on the edge of a group are more vigilant because they are at greater risk of being captured, then individuals on average would have to be more vigilant in smaller groups.

如果处于群体边缘的个体由于被捕获的风险更大而变得更加警惕，那么个体通常在较小的群体中就必须更加警惕。

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They also found that the group using the hands-free kit made 83% more errors in their tasks than those who were not talking.

他们还发现，使用免提设备的小组在执行任务时比不使用免提设备的小组多犯83%的错误。

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The group says its beaders earn an average of more than two thousand dollars a year in the program.

VOA: special.2010.06.28

The control group that joined no intervention actually were more luckily to advance in their workplace 20, 30 years later.

未参与干预的对照组,更有可能在二三十年后获得升职。

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But also, the students put in actually more time into the class and they outperformed the control group.

而且学生对课业,付出更多时间，成绩比对照组好。

哈佛公开课 - 幸福课课程节选

The More Group fought bitterly against Decaux and was saved by the government, which intervened on competition grounds.

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Then in 1997 Decaux tried to take over the More Group.

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Until three years ago, Decaux had contracts for all the important cities in France and much of the rest of Europe, while the More Group controlled Britain.

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