A researcher would like to describe and compare the attitudes of four different ethnic groups of students at a local state college. To obtain participants for the study while ensuring sufficient numbers of participants from each of the ethnic groups, the researcher should probably use ____ sampling.
A) simple random
B) stratified random
C) cluster random
D) systematic

Question

Quizplus · Accepted Answer

Stratified random sampling ensures that participants are selected from each ethnic group in proportion to their representation in the population. This will provide a representative and sufficient sample from each group for comparison.

A Researcher Would Like to Describe and Compare the Attitudes