Former Congressman Vin Weber, another group member,pointed out that the Bush administration policy of promoting regime change by military intervention strengthened the misperception that while the U.S.is calling for democratic reforms, Washington is continuing to support repressive governments in allied Muslim countries.

VOA: standard.2009.04.24

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。

哈佛公开课 - 幸福课课程节选

First of all, the teacher was rated higher by the intervention group than by the control group.

首先，干预组给这名老师的评价,高于对照组。

哈佛公开课 - 幸福课课程节选

Remember?-- Alcoholism rates went up for the intervention group, compared to the control group.

还记得吗？，干预组的酗酒比例，和对照组相比是增加的。

哈佛公开课 - 幸福课课程节选

Juvenile offenses: control group versus intervention group-- no difference.

少年犯罪：,对照组与干预组没有区别。

哈佛公开课 - 幸福课课程节选