## Participatory Rural Appraisal (PRA)

Participatory rural appraisal (PRA) is a growing combination of approaches that enable vulnerable people to share, enhance, and analyze their…

Participatory rural appraisal (PRA) is a growing combination of approaches that enable vulnerable people to share, enhance, and analyze their…

Rapid rural appraisal (RRA) is an extractive research methodology consisting of systematic, semi-structured activities conducted on-site by a multidisciplinary team…

Statistics is the science of collecting, analyzing, and making inferences from data. Statistics is particularly a useful branch of mathematics…

Recall that the objective of statistics often is to make inferences about unknown population parameters based on information contained in…

A probability proportional to size sampling (PPS) procedure is a variation on multi-stage sampling in which the probability of selecting…

The formula that we have considered in sample size calculation applies to designs based on the equal probability selection method…

Ideally, a selected sample is a miniature of the population it came from. This should be reflected in the sample…

Acceptance sampling is an important field of statistical quality control that was originally applied by the U.S military to the…

Area sampling is a multi-stage sampling scheme, in which maps, rather than lists or registers serve as the sampling frame….

In traditional sampling theory, we occasionally encounter the problem of assigning the sampling units to their correct strata or sub-groups…