For the study, researchers set up a series of five experiments in which participants read either literary fiction, popular fiction, nonfiction or nothing at all before taking some standard tests.
在这项研究中,研究人员设置了一系列的5个实验,参与者在参加一些标准测试之前,要么阅读文学小说、流行小说、非小说的散文文学,要么什么都不读。
Many experiments are unethical: you can't take a lion from its home simply to study the effects of top-predator removal.
有些实验不道德:你不能从窝里把狮子抓来,却只为了研究顶级食肉动物移居的影响。
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.
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。
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