Stratified adaptive cluster sampling refers to designs in which, following an initial stratified sample, additional units are added to the sample from the neighbourhood of any selected unit with an ...

Cluster sampling and systematic sampling differ in how they pull sample points from the population included in the sample. Cluster sampling divides the population into clusters and then takes a ...

Objective: To measure the prevalence of smoking amongst adults in the Kingdom of Tonga Design: Cross-sectional survey. Setting: Villages and census blocks throughout the Kingdom, selected by ...

They concluded that systematic or stratified random sampling patterns are more effective than simple random sampling for bulk powder testing.

GCSE Sampling data - Intermediate & Higher tier - WJEC Stratified sampling Sampling helps estimate the characteristics of a large population through the use of a smaller representative group.