Stratified sampling is most useful when the population is not too homogenous: the population needs to have subgroups for you to be able to theorize about them, and to design a sample that includes them.
Data Management in Monitoring and Evaluation
Data management in monitoring and evaluation is a widely-used practice within a number of industries and sectors, including humanitarian assistance. This data management can involve a wide variety of activities, including data collection on relevant indicators, analysis of the collected data, and a reporting system to ensure that the properly analyzed data is seen by key people at every level.
