On this basis, we conducted a questionnaire survey, whose validity had been assured by reliability and validity analysis.
在此基础上，我们进行问卷调查，通过信度和效度分析，问卷的有效性得到较好的统计验证。
On this basis, we conducted a questionnaire survey, whose validity had been assured by reliability and validity analysis.
在此基础上，我们进行问卷调查，通过信度和效度分析，问卷的有效性得到较好的统计验证。
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