Case control and cohort studies are two of the ways epidemiologists can help identify the cause of the outbreak.

病例对照和队列研究是流行病学家可以帮助确定爆发原因的两种方法。

But based on-- and again, these are cohort studies.

但再次强调，这些都是队列研究。

This kind of analysis, where we first choose a group of people, and then follow them over some period of time, is called a cohort study.

这种分析，我们首先选择一群人，然后在一段时间内跟踪他们，被称为队列研究。

A 2011 study by Battian and White, which is based on the British cohort study of 1970, took 8000 people and tested their IQ scores at ages 5 to 10 .

巴蒂安和怀特在2011年的一项研究中，测试了8000人在5到10岁时的智商分数，这项研究是基于英国1970年的队列研究进行的。