Under What Conditions Would It Be Appropriate to Use a Snowball

Multiple Choice

Under what conditions would it be appropriate to use a snowball sampling technique?

A) when the characteristic of interest to the study is a deviant one and only a small number of people who know one another are required
B) when your questionnaire can be administered in a narrow geographic area
C) when all you need to do is interview persons from a population where the sampling frame is known
D) when the researcher absolutely must have a sample that is representative of the population from which it is drawn