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