If You Were Performing Research Within a Police Department and You

Multiple Choice

If you were performing research within a police department and you wanted to ensure that an equal number of officers from each rank and division were included,but you want to use a method of selecting them based on probability,what would you choose as your method?

A) simple random sampling.
B) quota sampling.
C) cluster sampling.
D) stratified sampling.
E) accidental sampling.