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purposive of judgmental sampling
释义
purposive of judgmental sampling
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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。
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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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