非随机抽样（nonrandom sampling），亦称“判断抽样”。抽样的一种。研究者根据自己的专业知识、经验、态度或观点来确定调查对象或抽取样品的抽样方法。如统计调查中的重点调查、典型调查。这类抽样方法带有明显的主观色彩。非随机抽样获得的样本，不能应用推断统计的方法作分析。
重要的是，这个研究完成样本小，非随机抽样，并且不是广义的或者建议可以预防受伤的项目。
It is important to note that this study was completed on a small, non-randomized sample, and may not be generalized or suggest this program can prevent injury.
方法采用非概率随机抽样方法，选取283户家庭进行调查，并对调查结果进行统计、分析。
METHODS: a total of 283 families were investigated by random sampling, and the results of investigation were analyzed statistically.
方法采用整群分层随机抽样的方法，对吉林市某医学院校及非医学高校的在校大学生进行问卷调查。
Methods With the method of cluster stratified random sampling, a questionnaire survey was conducted in medical and non-medical higher-educated school in Jilin city.
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