“purposive of judgmental sampling”的概念、定义、翻译、参考文献-科学参考

单词	purposive of judgmental sampling
释义	purposive of judgmental sampling Encyclopedia 理学【基本概念】释 purposive of judgmental sampling目标式抽样研究人员在初步了解调查对象某些信息的基础上，依靠自己的判断，选择能够为研究问题提供最大信息量的研究对象的一种非概率抽样。又称目的抽样、立意抽样、专家抽样。
随便看	radiofrequency ablation of atrial tachycardia radio-frequency amplifier radio-frequency amplifier, RF amplifier radio-frequency band radiofrequency catheter ablation by atrial fibrillation radiofrequency catheter ablation by ventricular premature beat radiofrequency catheter ablation by ventricular tachycardia radiofrequency catheter ablation of atrial flutter radiofrequency catheter ablation of atrioventricular junctional reentrant tachycardia radiofrequency catheter ablation of atrioventricular reentrant tachycardia radio frequency cold crucible method radio frequency communication radio frequency communication, RFcomm radio frequency current radio-frequency current drive radio-frequency discharge radio-frequency disk radio frequency frontend radio-frequency heating radio-frequency heating, RF heating radio frequency identification radio frequency identification data radio frequency identification data, RFID data radio frequency identification devices reader radio frequency identification devices reader, RFID reader

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