雪球抽样

  • 网络Snowball Sampling;snowball sample;snowballed sample
雪球抽样雪球抽样
  1. 方法用方便抽样法和雪球抽样法选取对象,用《同志心理与行为》问卷开展调查。

    Methods Convenience sampling and snowball sampling were used to select respondents ;

  2. 社会学定性研究中,通过在社区和性病门诊分别采用滚雪球抽样和方便抽样法招募37名调查对象,对其进行个人深入访谈;

    Thirty-seven clients of FSWs were recruited from STD clinics and communities by snowball sampling and random sampling respectively , and their information were collected through in-depth interview in sociological qualitative study ;

  3. 方法采用滚雪球抽样法和方便抽样法选取对象,用自行设计的《同志健康需求评估》问卷开展调查。

    Methods Convenience sampling and snowball sampling were used to select respondents ; questionnaire was used during the research .