方法:问卷调查法,透过网络采取滚雪球方式抽取二十多所高校的在校大学生为研究对象。
Questionnaire survey was used in this research, and researchers selected college students from more than 20 universities of China as research participants through snowball sampling on Internet.
样本的取样方式采取 非机率型之滚雪球抽样法。
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