Part three: the design of the questionnaire and the selection of sample.

第三部分：调查问卷的设计和样本选择。

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This part illustrates the selection of research method, the design of research plan and the sifting and enforcement of sample, that is, choose interviewees, collect materials and analyze materials.

对研究方法的选择、研究方案的设计与样本的筛选、访谈对象的确定、资料的收集与分析进行了说明。

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This part illustrates the selection of research method, the design of research plan and the sifting and enforcement of sample, that is, choose interviewees, collect materials and analyze materials.

对研究方法的选择、研究方案的设计与样本的筛选、访谈对象的确定、资料的收集与分析进行了说明。

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