The University of Nottingham study examined whether the possibility of punishing free-riders leads to better group results.

VOA: special.2009.03.03

It could have been a law firm; it could have been working in the study group on a homework assignment.

可能是一家律师事务所,也可能是一起做作业的学习小组

耶鲁公开课 - 博弈论课程节选

You might think there's no point working in a study group at all.

你会觉得没有必要组成学习小组了

耶鲁公开课 - 博弈论课程节选

He later asked her to study a group of chimpanzees living by a lake in Tanzania.

VOA: special.2009.11.18

So when we talk about a cohort study, this means taking a group of people and following them over time.

所以当我们提到定群研究,就意味着,有一群人参加实验并需一直追踪下去

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It is called LaserFest. The American Physical Society, the Optical Society ,and SPIE, a group that supports the study of light, all have been involved.

VOA: special.2010.09.01

The second case study of moral feeling is "in-group" and "out-group."

第二个道德情感的案例分析,是“内群体”与“外群体”

耶鲁公开课 - 心理学导论课程节选

Seventy-four people in the placebo group became infected during the study.

VOA: special.2009.10.13

So one example would be a firm that they both earn, sorry, they both own, and another example would be two of you working as a study group on my homework assignment.

也就是说这两家公司互相赚钱,我说错了,是交叉控股,另外一个例子是两名同学,为了做作业组成了一个学习小组

耶鲁公开课 - 博弈论课程节选

The Principal Financial Group announced the results of the study.

VOA: special.2010.10.12

A cohort study means you take the same group of people and follow them every five years for that period of time.

定群研究意味着你只有一组研究对象,然后在研究期间每五年进行一次记录数据

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"An empowered group of ministers has been set up to study whether any changes in the law are necessary.

VOA: standard.2010.06.10

We did a little study once in our group testing the following hypothesis.

我们小组曾做了个研究,想要检验下述假说

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But study author Kristine Funk, the Kaiser Permanente Center for Health Research says those averages mask significant differences within the group of website users.

VOA: standard.2010.07.30

Well, a cross-sectional study would mean that you'd get a random group of the population and measure them in 1970 and then take another random group five years later and measure them, but it wouldn't be the same people necessarily, it would be different groups of people.

那么,横断面研究就是,1970年你在人群中随意选择一组人,并记录下相关数据,然后,五年后再随意选择一组人记录数据,但这不需要是同一组人,通常是不同的人

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"Compared to the most active group of women." During the study, the average weight of the participants went up by six pounds, or 2.7 kilograms.

VOA: standard.2010.03.30