英语翻译什么叫non-random convenience samples,这里的convenience sample是指什么?

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英语翻译什么叫non-random convenience samples,这里的convenience sample是指什么?
英语翻译
什么叫non-random convenience samples,这里的convenience sample是指什么?

英语翻译什么叫non-random convenience samples,这里的convenience sample是指什么?
non-random convenience samples
非随机简易样本
convenience sample 可以译为简易样本,也可以译为便利样本.英文解释见下：
A convenience sample is a study of subjects taken from a group that is conveniently accessible to a researcher. One advantage of this is that it is easy to access, requiring little effort and time. This sampling method suffers from a major disadvantage in that it is not an accurate representation of the population, which can skew results quite radically. Use of a convenience sample is quite popular and prevalent, however, and it can be valid under certain conditions.

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