Professor Drunkman's questionnaire asked each student to name every other student with whom they drank during the past two months
Dry Temperance, his assistant, sent a questionnaire to each person named by students in the first sample in which the same question was asked. Ms. Temperance next sent a questionnaire to everyone named as a drinking partner in the second sample and so on until she had sent out ten different waves of questionnaires. She then drew up a list of all students who drank with anyone else that returned a questionnaire, and used it as a sample for a study on drinking networks on campus. What kind of sampling was Ms. Temperance using?
A) accidental sampling
B) snowball sampling
C) quota sampling
D) cluster sampling
E) stratified sampling
B
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