Vaillant points to the strength of evidence provided by a longitudinal study.

Vaillant指的是纵向研究所提供的强大证据。

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He is currently following more than 600 families from the local community sample in a longitudinal study.

他目前正在进行一项跟踪研究，以地方社区600多户人家为样本。

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Their study included 128 subjects who already were part of a longitudinal study investigating risk factors for depression.

他们的研究包括128名被试。 他们曾是研究抑郁风险因素纵向研究的部分样本。

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And what he found was the students who were labeled-- randomly so, but who were labeled-- "fast spurters", their IQ increased significantly over the year and maintained that increase in a longitudinal study.

他发现被标签为-,被随机地标签为“快速迸发“的学生-,智商在一年间有很大增加,而且在长期研究中保持着增加。

哈佛公开课 - 幸福课课程节选

So here is a longitudinal study that was done by John Carter.

所以下面讲讲John，Carter所作的纵向研究。

哈佛公开课 - 幸福课课程节选

In 2000, as it happened, I was already familiar, in a glancing sort of way, with a longitudinal study that followed the lives of two hundred and sixty-eight men who graduated from Harvard in the years around 1940.

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Researchers from the Georgia Institute of Technology recently conducted a longitudinal study of follow predictors on Twitter and found that those who were positive and provided informational content gained more followers than those who were negative and shared content about themselves.

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Popkin and his team based their estimate on a 20-year longitudinal study that included more than 5, 100 participants.

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