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ypshen · 2022年04月11日

这题的选项C该如何翻译

NO.PZ2021062201000013

问题如下:

Which one of the following statements is true about non-probability sampling?

选项:

A.

There is significant risk that the sample is not representative of the population.

B.

Every member of the population has an equal chance of being selected for the sample.

C.

Using judgment guarantees that population subdivisions of interest are represented in the sample.

解释:

A is correct. Because non-probability sampling is dependent on factors other than probability considerations, such as a sampler's judgment or the convenience to access data, there is a significant risk that non-probability sampling might generate a non-representative sample

由于非概率抽样取决于概率考虑以外的因素,例如抽样者的判断或访问数据的便利性,因此非概率抽样可能产生非代表性样本的风险很大



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星星_品职助教 · 2022年04月11日

同学你好,

C选项意为 judgmental sampling这种方法可以确保在抽样时,将有兴趣的、想要研究的数据抽在样本中。

这个说法的范围说窄了。只描述了Judgmental sampling的情况。但题干问的是所有的non-probability sampling。相当于用了一个小的范围去描述一个大的概念。如果题目改成问judgmental sampling就可以选了。

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