Investopedia / Xiaojie Liu How Stratified Random Sampling Works A researcher might find that the population size is too large to complete research on it when beginning an analysis of a group of ...

What are the possibilities of snowball sampling, if one desires valid statistical inference without making probabilistic assumptions on the network structure? In a critical review of the possibilities ...

If zero-stage sampling is random, statistical inferences can be made from at least the first two stages of the population of individual network members. Snowball sampling is potentially the ...