It's done by a technique called factor analysis.

它是通过一种为因子分析的成的。

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

在进行探索性因子分析 （EFA） 后， 结果不令人满意。

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.

承受着巨大的压力， 但值得庆幸的是，一位研究同（她为的“研究姐妹” ）建议尝试验证性因子分析 （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.

因子分析是一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一起。