Patients are being studied for their satisfaction within a physician practice. The strata divide these patients into groupings by the variables of age, sex, insurance type, and physician. The strata are then used for a random selection of patients to assure an even selection for the variables in question. Which type of sampling is this an example of?

Question

Quizplus · Accepted Answer

This is an example of stratified random sampling because it divides the population into strata, or groups of similar patients, and studies a set number of members within each group.

Patients Are Being Studied for Their Satisfaction Within a Physician