配额抽样

  • 网络Quota sampling;quota sample
配额抽样配额抽样
  1. 相互控制配额抽样是非随机抽样中一种确定样本的方法。

    In nonstochastic sampling , mutual control quota sampling is a method to determine samples .

  2. 本研究在数据收集过程中,通过调查问卷的方式,结合方便抽样和配额抽样的抽样方法,以中国制造业企业中接触或使用信息化的人员为抽样调查的样本总体。

    With convenience and quota sampling methods , the sampling population was the employees who had contact or work with information system in the manufacturing enterprises of China .

  3. 采电子邮件问卷调查法并以平均配额抽样进行发放,有效问卷回收450份。

    A total of450 effective samples were obtained from thee-mail interview .

  4. 相互控制配额抽样样本的确定方法

    A Method to Determine Sample of Mutual Control Quota Sampling

  5. 方法采用配额抽样的方法,在市场、饭店、宾馆等流动人口较为集中的6类工作场所里招募外来务工人员1280名,进行匿名问卷调查。

    Methods Through quota sampling , a total of 1280 migrants were recruited from 6 different venues where migrants were most likely employed to administer a face-to-face anonymous interview .

  6. 方法1.调查对象用随机数字法从临沂市区的十所初中里选取四所作为研究对象,根据每所中学初一、初二年级的班级数量和班级平均人数,采用配额抽样的方式进行问卷调查。

    Research Objects : randomly choose 4 out of 10 middle schools of Linyi as the objects of research ; according to average numbers of classes and students of each middle school , conduct questionnaire investigation by quota sampling . 2 .

  7. 方法:数据来自2004年在北京城区18~40岁流动男青年中开展的结构式问卷调查,885人的调查样本通过分层配额抽样得到。

    Methods : Data was from a questionnaire survey among 18-40 years old migrant males in urban Beijing in 2004 by a stratified quota sampling with a sample size of 885 . Results : Proportion of ever used condoms was high among the migrants .