在我们的预试验， 15个研究生和15名成员组成的市民选择通过方便取样。
During our pre-test, 15 graduate students and 15 members of the public were chosen through convenience sampling.
方法采用方便取样的方法，以自制调查表调查住院老年患者对预防跌倒的认识及行为状况。
Method Using convenient sampling method and self-designed questionnaire to investigate the elderly patients' recognition and behaviors on the prevention of falls.
方法采用方便取样的方法，以自编的调查表调查住院老人对跌倒的认知状况及跌倒者跌倒时的情况。
Methods Used convenient sampling method and self -mode questionnaires to analysis the elderly people's fall condition and the cognition of fall.
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