The Justice Index builds on the sound methodological experience of survey and sampling from implementation of the Provincial Governance and Public Administration Performance Index (PAPI), implemented yearly since 2009. The Justice Index leverages the PAPI approach in two ways. Firstly, by using a similar sampling design to select districts, communes and villages, the Justice Index project was able to save significant time and expense at the survey implementation stage. Secondly, since both surveys rely on identical sampling units the aggregate data obtained from both projects can be directly compared, thus allowing an exploration of whether findings regarding the Justice Index and PAPI correlate or not.
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