Within 20 degrees of separation. You can change the world, the entire world.
经过20度分隔 就能改变世界 整个世界
Premise number 3: . Internal factors versus external factors.
第三个前提 内在因素和外在因素
There is a lot of research showing how difficult it is to change happiness based on external factors.
很多研究表明 基于外在因素改变快乐很难
Research on subjective wellbeing the term that psychologists use to capture happiness essentially.
对幸福的研究 心理学家用这个词来描述快乐
Has been going on for very, very long time. Until recently, most of the research was conducted.
已经进行了很多年 直至最近 多数完成的研究
Was done using questionnaires. And many people rightfully so questioned the veracity.
使用的都是问卷方式 很多人置疑问卷的
The value of these questionnaires, because it is subjective.
真实性和价值 因为它是主观的
Are we measuring something real? Over the last few years.
我们是在测量真实的东西吗? 过去几年
What started to happen is more and more psychologists have been using brain scans for example;.
呈现的情况是越来越多心理学家 使用大脑扫描
They've been using fmris, eegs, other physiological measures. And what they found interestingly is that.
使用功能性磁共振成像 脑电图及其他手段 他们的有趣发现是
There is a very high correlation between the objective measures such as brain scans.
两者有很大的关联性 在所谓的客观手段 如大脑扫描
Such as eegs, such as fmri, such as physiological measures and people's evaluation of their wellbeing.
脑电图 功能性磁共振成像等生理学手段 和人们对自己的幸福的评估