which of these types of sampling is used
-An education researcher randomly selects 48 middle schools and interviews all the teachers at each school.
A)Systematic
B)Stratified
C)Convenience
D)Cluster
E)Random

Question

Quizplus · Accepted Answer

Cluster sampling is used here because the researcher selects entire groups (in this case, middle schools) and then collects data from all members within those selected groups (the teachers at each school).

Which of These Types of Sampling Is Used