stratified cluster sampling

Methods By stratified cluster sampling, 6280 undergraduates and graduates in three key universities in Beijing were selected to fill out three self report questionnaires, Zung's Self-Rating Anxiety Scale, Zung's Self-Rating Depression Scale, and General Information Questionnaire.

方法采用ZUNG氏焦虑自评量表、ZUNG氏抑郁自评量表和一般状况调查表，以分层整群抽样的方法，对北京三所全国重点高校的6280名在校本科大学生和研究生进行问卷调查。

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Methods Non-proportional stratified cluster sampling was used for this study. Oral examination was conducted according to diagnosis criteria for caries of WHO.

方法采用分层、不等比、多阶段整群抽样方法进行抽样，按照WHO龋病诊断标准进行口腔检查。

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Methods Grade one students in junior middle schools were selected, a two-stage, stratified cluster sampling method was applied to collect traditional teaching group ( 124), in-class peer group ( 145) and high-grade peer group ( 133).

方法以初一学生为教育对象，采用二阶段分层整群抽样方法，确定传统教学组、本班同伴组和学长同伴组，各组学生人数分别为124145和133人。

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This paper discusses cluster sampling and stratified cluster sampling in continuous surveys with censuses.

本文讨论了连续调查中应用普查方法时的整群抽样和分层整群抽样.

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Methods A stratified cluster sampling method was used to survey the health status in 2161 samples from 540 families in 3 Bama Counties of China, and of the 746 participants had been surveyed for the diet nutrition.

方法运用分层整群抽样方法，抽取3个乡镇、6个村、540户共2161例进行健康调查，其中180户746例进行膳食调查。

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DESIGN: Cluster sampling and stratified analysis.

设计：整群抽样，分层分析。

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Method Using stratified-cluster sampling method, we interviewed with 343 low-income family at their home.

方法：采用分层整群抽样，抽取浙江省开展新型农村合作医疗的试点县和非试点县343户低保户进行了入户调查。

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Methods With proportional stratified sampling and cluster sampling method, 3555 subjects were selected including officials, company staff, high school students, community population and floating population.

方法采用多阶段按比例随机抽样和整群抽样相结合的方法，抽取公务员、公司职员、高中生、社区居民、流动人口共计3555人，用国际体力活动量表长卷进行调查。

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Methods 2 266 peasants were investigated with stratified cluster sampling.

方法采取分层整群抽样的方法，调查安庆市郊区农民2266人。

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Methods According to stratified cluster sampling, schools and children were chosen for combined Raven's test.

方法在9个设区市的城区和农村小学中按照分层整群随机抽样的原则确定被试的学校和儿童，运用联合型瑞文测验。

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Methods 1589 third grade pupils sampled from 10 provinces and cities by stratified cluster sampling.

方法分层随机整群抽样,从10个省市中随机抽取小学三年级学生共1589人,填写结构式调查问卷.

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