Professor Howlick's questionnaire asked each student to name every other student with whom they had drank with during the past two months. Kerry Sobiski, his assistant, sent emails for the online survey to each person named by students in the first sample. The same question was asked in this online survey. Ms. Sobiski next sent emails for the online survey to everyone named as a drinking partner in the second sample and so on until she had emailed ten different waves of online surveys. She then drew up a list of all students who drank with anyone else who answered the online survey, and used it as a sample for a study on drinking networks on campus. What kind of sampling was Ms. Sobiski using?
A) snowball sampling
B) quota sampling
C) accidental sampling
D) cluster sampling

Question

Quizplus · Accepted Answer

Snowball sampling involves starting with a small group of initial respondents and then expanding the sample by asking those respondents to identify others who fit the study's criteria, which is exactly what was done in this scenario.

Professor Howlick's Questionnaire Asked Each Student to Name Every Other