When a researcher uses a stratified sampling technique,they
A) select elements from heterogeneous subsets of the population
B) recognize the extent that subsets are homogeneous on stratified variables will generally result in homogeneity on other variables as well
C) realize that a stratified sample is likely to be less representative on a number of variables than a simple random sample
D) recognize the extent that subsets are heterogeneous on stratified variables will generally result in heterogeneity on other variables as well

Question

Quizplus · Accepted Answer

Stratified sampling involves dividing the population into homogeneous subgroups (strata) and then sampling from each, ensuring that the sample is representative of the population on the stratified variables.

When a Researcher Uses a Stratified Sampling Technique,they