A researcher in Denver wants to study US HMO physicians' satisfaction with managed care. All HMO physicians are selected or sampled from 30 randomly selected cities and towns in the US. This is an example of what type of sampling technique:
A) Cluster
B) Stratified
C) Selected samples
D) a and c

Question

Quizplus · Accepted Answer

This is an example of cluster sampling, as the researcher is selecting clusters (cities and towns) and then sampling all HMO physicians within those clusters. Stratified sampling would involve dividing the population into subgroups and sampling from each subgroup based on predetermined criteria. "Selected samples" is not a recognized term in sampling techniques.

A Researcher in Denver Wants to Study US HMO Physicians