研究方法上力图使定性与定量相结合，主要采用了文献法、问卷调查法和个案访谈法。
Research methodology sought to combine qualitative and quantitative, mainly in the literature, questionnaire survey method and case interview.
本研究主要使用了参与观察、深度访谈和入户问卷调查相结合的调查研究方法。
This study benefits from the methods of participative observation, deep interview and questionnaire investigation.
本研究采用问卷和访谈相结合的调查方法。
This study takes the combination of questionnaire and interview methods of investigation.
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