It's done by a technique called factor analysis.

它通过种称为因子分的成的。

I was under immense pressure, but thankfully, a research colleague (I refer to her as my " research sister" ) suggested that I try a Confirmatory Factor Analysis (CFA) instead.

我承受着巨大的压力， 但值得庆幸的，位究同事（我称她为我的“究姐妹” ）建议我尝试验证性因子分 （CFA）。

Factor analysis is a way of looking at a big set of data and look at the correlation among the different test scores, and then find empirically the clusters of scores that go together.

因子分种处理大量数据的方法， 通过观察不同测试分数之间的相关性，然后实证地找出哪些分数组合在起。

After conducting an Exploratory Factor Analysis (EFA), the results were unsatisfactory.

在进行探索性因子分 （EFA） 后， 结果不令人满意。