许多与样本收集方式有关的因素会使相对受欢迎程度的推论不正确。

Many factors related to how the sample was collected could render your relative popularity inferences incorrect.

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在方法上，普遍缺乏数据、样本收集和用户调查，缺乏规范传播学研究方法的运用。

In the method, the general lack of data, sample collection and user surveys, the lack of standardized methods of use of communication studies.

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在从冰下的固体物质中收集的样本中，他们发现微型海洋植物的化石，这表明这个区域曾经是开阔的海洋而不是坚硬的冰。

Within samples collected from the solid substances lying beneath the ice they found fossils of microscopic marine plants which suggest that the region was once open ocean not solid ice.

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So we started collecting cereals and things like that from various countries, and found in this preliminary study, that it was the case, the American foods were sweeter.

我们从全球各地,收集了一些麦片之类的样本,研究发现,情况确实如此,美国的食品相对要甜一些

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So it lets you do a profile of not just the genes that you possess, for example, but what genes are actually being used to make proteins in the cells that surround the fluid where this was collected.

他不仅能让研究者了解,人带有哪些基因,还能知道,在收集到的体液细胞的样本中,哪些基因是合成蛋白质的

耶鲁公开课 - 生物医学工程探索课程节选

This is very important,which is why I am doing it: "If we want to know how fast a human being can run, then it is no use to average out the speed of a "good sample" of the population; it is far better to collect Olympic gold medal winners and see how well they can do.

这话非常重要，是我作这个研究的原因：,“如果想知道人类最快能跑多快，那从好的样本中测出平均数是“,没用的;,而应该收集田径类奥运冠军的信息,看他们能跑多快。

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