Geo-sampling in developing nations
Geo-sampling in developing nations
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DOI：
10.1080/13645579.2018.1484989
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发表时间：
2018-01-01
影响因子：
3.3
通讯作者：
Allpress, Justine
中科院分区：
文献类型：
--
作者：
Cajka, James;Amer, Safaa;Allpress, Justine
RTI International创建了一种基于地理空间网格的抽样方法，该方法：实现了基于概率的家庭样本和无偏见的估计;在各国之间具有可比性;使用国内人口普查提供的简单框架数据;并且在对当地现场工作人员进行最少培训的情况下，效率很高。该方法使用1公里（2）LandScan世界人口数据，进一步细分为50至150米（2）的较小网格单元。为了指导实地工作，在没有互联网连接的情况下，使用第三方应用程序和平板电脑的内部全球定位系统接收器生成和查看地理参考地图。现场工作人员的位置以真实的时间显示为蓝点，使现场工作人员能够确定家庭包容性。拉丁美洲、非洲和亚洲的住户调查成功地采用了这一方法。该设计是可转移的，可适应的，可扩展的，可以在世界任何地方使用。
RTI International created a geospatial grid-based sampling methodology that: achieved a probability-based household sample and unbiased estimates; was comparable across countries; used simple frame data available from the in-country census; and was efficient with minimal training to local field staff. The methodology used 1km(2) LandScan world population data, which was further subdivided to smaller grid cells ranging from 50 to 150m(2). To guide fieldwork, georeferenced maps were generated and viewed without an Internet connection using a third-party app and the tablet's internal global positioning systems receiver. The field staff's location was displayed in real time as a blue dot enabling field staff to determine household inclusivity. This methodology was successfully implemented for household surveys Latin America, Africa, and Asia. The design is transferable, adaptable, scalable, and can be used anywhere in the world.