Rigorous methods of data collection and standardized procedures across the six study sites (Brazil, Ghana, India, Norway, Oman and the USA) yielded very high-quality data.

六个研究地点(巴西、加纳、印度、挪威、阿曼和美国)严谨的数据收集方法和标准化的步骤产出了质量极高的数据。

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Face-to-face surveys and neighborhood audits were the two primary methods of data collection.

面对面调查和邻里审计是两个主要的数据收集方法。

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Face-to-face surveys and neighborhood audits were the two primary methods of data collection.

面对面调查和邻里审计是两个主要的数据收集方法。

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