这个实验听起来很简单，但是实验的设计确实有一定程度的复杂性，因为研究人员不得不克服一些混淆变量。

The study sounds simple, but the design of the experiments was actually somewhat complex, because the researchers had to overcome a number of confounding variables.

youdao

我认为这事实上增加了方法的可读性：即使粗略的浏览一个方法，也不会有混淆局部变量和实例变量的机会。

I find that this actually increases the readability of methods: there is no chance of confusing local variables and instance variables when glancing through a method.

youdao