方法：以分层随机整群抽样的方法，确定调查样本。
Methods: Stratified random cluster sampling method was used to determine the survey sample.
方法采用整群方便样本，运用自设问卷对95名三甲医院主管护师进行调查。
Method Self-designed questionnaire survey was conducted among 95 chief nurses of cluster convenience sample.
方法对北京市20所中学学生进行预防AIDS健康教育和生活技能培训，在培训前、后采用整群抽样方法获取样本进行评估。
Methods AIDS prevention and life skill training were developed among students in 20 middle schools. Evaluations were carried out before and after the education by cluster samplings.
方法采用整群抽样的方法选择样本，抽取北京市3所综合性医院的182名住院患者家属和213名护士进行调查。
Method Using the method of cluster sampling, 182 family members and 213 nurses from 3 general hospitals were sampled and investigated with questionnaires.
采取分层整群抽样的调查方法，选取辽宁省14个市95家社区卫生服务机构作为分析样本。
This research adopts investigation methods of stratified sampling and cluster sampling, chooses 95 community health service organizations in 14 cities of Liaoning Province as a analysis sample.
方法采取典型整群抽样方法抽取样本，由经培训合格的调查员入户调查，对每户的户主或最熟悉家庭情况者进行询问调查。
Methods the stratified randomly cluster sampling was applied by well-trained investigators, and the inquired subject was either householder or the family member who is familiar with the family things.
方法按分层整群抽样的方法抽取样本，并通过问卷调查的方式收集有关广东省18岁以上居民的伤害信息。
Methods the study sample was got by multi-stage randomized sampling, and the injury information of the inhabitants aged over 18 years in Guangdong province was collected by questionnaire.
方法按分层整群抽样的方法抽取样本，并通过问卷调查的方式收集有关广东省18岁以上居民的伤害信息。
Methods the study sample was got by multi-stage randomized sampling, and the injury information of the inhabitants aged over 18 years in Guangdong province was collected by questionnaire.
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