non-probability sampling

例句：

1. 1. Non-probability sampling is a method used to select participants for research studies.
   非概率抽样是一种用于选择研究参与者的方法。
2. 2. In non-probability sampling, researchers use data from previous studies to identify potential participants.
   在非概率抽样中，研究人员使用之前的研究数据来识别潜在的参与者。
3. 3. The non-probability sampling method has been shown to be more effective in identifying hidden biases in surveys.
   这种方法已被证明在调查中发现隐藏偏见方面更有效。