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

This particular study was a prospective cohort.

这个研究是前瞻性群组研究

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

This study is very interesting because what it did was take nurses, a cohort of a hundred thousand nurses -my wife is actually--just happens to be one of the subjects in this study because she's a nurse.

这项研究很有趣,它将十万名护士作为实验对象,我的太太恰好也是其中一名实验对象,她也是一名护士

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选