In a study investigating alcohol use and mood disorders on college campuses, Pam separates the population into different ethnic groups and then uses a computer program to pick ten names at random for each ethnic group. Which sampling technique is Pam using?
A) Response sampling
B) Simple random sampling
C) Snowball sampling
D) Stratified random sampling

Question

Quizplus · Accepted Answer

Pam is using stratified random sampling because she first divides the population into different ethnic groups (strata) and then selects a random sample from each of these groups.

In a Study Investigating Alcohol Use and Mood Disorders on College