Well, babies have to generalize from small samples of data all the time.

实际上，婴儿一直在对 少量数据样本进行归纳总结。

Generalizing from small samples of data is the bread and butter of science.

从少量的数据样本进行归纳总结 是科学的立身之本。

It was generalized from the article that water is important in the development of biosphere.

文章归纳出水在生物圈的发展中起着重要作用的观点。

How they're too small,   and how there's—they're too often filled with white undergraduate college kids, and  how can you generalize from that?

为什么它们太小了，而且它们往往挤满了白人本科生，你能从中得出什么结论呢？

Martineau talked about interviewing, sampling, bias in observation, the problem of generalizing from individuals to a whole society – many of the hallmarks of modern research.

Martineau 谈到访谈、抽样、观察偏差、从个人到整个社会的概括问题——现代研究的许多标志。